To pass her test, Tori needs to answer at least 65% of the questions correct. If there were 60
questions and she got 42 correct, did she pass? All work MUST be shown to justify your
answer.

Answers

Answer 1
1) change 65% to a decimal = .65

2) .65 • 60 = 37.2 questions need to be right

3) since she got 42 correct, that is greater than 37.2, so she passed.

OR

1) 42/60 = 0.7

2) 0.7 to a percent = 70%

3) since she got a 70% on the test, she passed.
Answer 2

Step-by-step explanation:

To obtain score of 80% on entire exam means the student have to answer

(80/100)×80 = 64 correct answers

Student have already answered 75% of the first 60 questions correctly meaning

(75/100)×60=45 correct answers from first 60 questions

Remaining correct answers s/he have to answer

64-45=19

So from remaining 20 questions s/he have to answer 19 correct questions that is

20 × (x/100) = 19

x = 19 ×(100/20)

x = 95%


Related Questions

Luisa works at a gift shop. She receives a bonus if she sells at least 20 balloon bouquets in a month. Which graph represents the number of bouquets she needs to sell to get a bonus? *

A
B
C
D

Answers

Answer:

d

Step-by-step explanation:

im think right

Answer:

D

Step-by-step explanation:

"at least 20" means "20 or more".

That means you need a closed circle at 20 to include 20 and shading to the right of 20 to include greater than 20.

Answer: D

GIVING BRAINLIEST BUT ANSWER IT CORRECTLY, NO LINKS
Look at the stem-and-leaf plot. What is the range in scores?

A. 35
B. 31
C. 18
D. 8

Answers

Answer: B

Step-by-step explanation: The range for a value of data is the smallest value subtracted from the largest value, in this case, 35-4=31!

It’s B, I just know it

Simplify (Write without absolute value sign)









ex) ║120 +x║, if x < -120

answer would be: -120 -x


My problems:

1. ║x-120║, if x<-120

2. ║x-(-12)║, if x > -12

3. ║x-(-12)║, if x < -12

4. ║x-(-12)║, if x = -12

5. ║x ÷ 3║, if x > 0

6. ║x ÷ 3║, if x < 0

7. ║x ÷ 3║, if x = 0


**WILL GIVE BRAINLIEST IF 4 OR MORE ARE CORRECT**

Answers

Answer:

-(x-120)

x-(-12)

-(x-(-12))

0

x / 3

-(x/3)

0

Step-by-step explanation:

1. || x-120||, if x<-120.

If x is less than -120, then x - 120 will be a negative number.

Since absolute value will make a negative number positive, the answer will be  -(x-120).

2. ||x-(-12)||, if x > -12.

Basically x -(-12) = x + 12. If x is greater than -12, then ||x+12|| will be positive. The answer is x-(-12).

3. ||x-(-12)||, if x < -12.

Again, x-(-12) = x + 12. If x is less than -12, ||x+12|| will be negative.

Absolute value makes a negative number positive. The answer is -(x-(-12)).

4. ||x-(-12)||, if x = -12.

So we can substitute x with -12. ||-12-(-12)|| = ||-12+12||, which equals ||0||, which is also just 0. (Answer is 0.)

5. ||x / 3||, if x > 0.

Any positive number divided by another positive number will be positive, meaning you can just take out the absolute value sign. Answer is x /3.

6. ||x / 3||, if x < 0.

Any number less than 0 is negative, and any negative number divided by a positive number will be negative. If we take out the absolute value, we'll have to reverse it with a -. Answer: -(x/3).

7. ||x / 3||, if x = 0.

||0/3|| = ||0||, which is still 0.

Hope this helps!

what is the median
6
5
5.5
4

Answers

The median is 5.5

———-

Answer:

5.25

So with 4 numbers you add the two middle and then divide by 2

So 5+5.5

10.5 ÷2

5.25

Carina is borrowing $27,000 to buy a new car. If she borrows the money at 4.15% interest compounded annually for 5 years, how much interest will she pay on her car loan?
$33,087.21
$6,087.21
$1,120.50
$5,602.50

Answers

She will have to pay $6,087.21 in interest

Answer:

NO, the these three border pieces will not make a right triangle

Step-by-step explanation:

Use the compound amount formula A = P(1 + r)^t:

Here A = ($27,000)(1 + 0.0415)^5

         A = ($27,000)(1.0415)^5 = $33,087.21

Subtracting the principal amount, $27,000, leaves the compound interest amount:  $33,087.21 - $27,000 = $6087.21

She will pay $6,087.21 interest on this loan.

Write an expression equivalent to z + z + z + z + z that is the sum of two terms

Answers

Answer:

z+z

Step-by-step explanation:

ANSWER: z+z


STEP BY STEP EXPLANATION

I need help with this

Answers

Answer:

#1-

The periodic table, also known as the periodic table of elements, is a tabular display of the chemical elements, which are arranged by atomic number, electron configuration, and recurring chemical properties. The structure of the table shows periodic trends. The seven rows of the table, called periods, generally have metals on the left and nonmetals on the right. The columns, called groups, contain elements with similar chemical behaviours. Six groups have accepted names as well as assigned numbers: for example, group 17 elements are the halogens; and group 18 are the noble gases. Also displayed are four simple rectangular areas or blocks associated with the filling of different atomic orbitals. #2-118

Step-by-step explanation:

the period table is a display of the chemical elements , which are arranged by atomic number, electron configuration and recurring chemical property. There are 118 elements on the periodic table

Which is the graph of x≥−5?

Answers

Answer:

Here!

Step-by-step explanation:

Put the number line -5 and go to the right

Chloe is driving on the freeway. She is 200 miles from Los Angeles. She drives at a constant speed of 55 miles per hour. Can Chloe get to Los Angeles in less than 3 1..2 hours?

Answers

Chloe is 200 miles from Los Angeles and she at a constant speed of 55 miles. You just do 200/55 and that’s how long Chloe drives in a hour.
No, it would take Chloe approximately 3.6 hours to reach LA.

200/55 = 3.64

Don't guess!
I will mark brainliest if its correct!
Don't answer if you don't know!
Also no links!
And show your work plz!

Answers

It is B because in a fraction you divide the numerator by the denominator

Look at the picture that I posted,

Answers

Answer:

$226.57 left

Step-by-step explanation:

$48.73

$10.13

+$32.46

=$91.32

$317.89-$91.32

=$226.57

please mark as brainliest

317.89-48.73-10.13-32.46= $226.57 left in his bank account

Don't guess!
I will mark brainliest if its correct!
Don't answer if you don't know!
Also no links!
And show your work plz!

Answers

The answer would be A because the amount of pages she reads depends on the amount of time she takes to read

Demarcus has a cereal box shaped like a rectangular prism. It measures 758 inches long, 212 inches wide, and 12 inches high. What is the volume of the cereal box?

Answers

Answer:

1,928,352 in cubed

Step-by-step explanation:

The volume of the cereal box is [tex]\rm 228\dfrac{3}{4}[/tex]cubic inches.

What is the volume of rectangular prism?

The volume of rectangular prism is given by :-

[tex]\rm Volume = Length \times Width \times Height[/tex]

Demarcus has a cereal box shaped like a rectangular prism. It measures 7 5/8 inches long, 2 1/2 inches wide, and 12 inches high.

The volume of the cereal box is determined in the following steps given below.

[tex]\rm Volume = Length \times Width \times Height\\\\\rm Volume = 7\dfrac{5}{8}\times 2\dfrac{1}{2} \times 12\\\\\rm Volume = \dfrac{7\times 8+5}{8} \times \dfrac{2\times 2+1}{2} \times 12\\\\\rm Volume = \dfrac{61}{8} \times \dfrac{5}{2} \times 12\\\\Volume =\dfrac{3660}{16}\\\\Volume=228\dfrac{3}{4}[/tex]

Hence, the volume of the cereal box is [tex]\rm 228\dfrac{3}{4}[/tex]cubic inches.

Learn more about prism here;

https://brainly.com/question/3244285

#SPJ2

Calculate circumference of the circle. (use = 3.14)

Answers

Answer:

The circumference of the circle is 2πr

Step-by-step explanation:

257.48 if you multiply 2 x 3.14 x 41

A. Create an algebraic expression.

B. Create a word problem which represents the algebraic expression you created.

Answers

Answer:

a+b=ab

Step-by-step explanation:

a plus b is equal to ab.

Answer:

Step-by-step explanation:

5x = 30

If there are 5 students in a row, find the number of rows given that the number of total students is 30.

Here  'x' represents the number of row

A cylindrical shaped swimming pool has a diameter of 30 feet and a water height of 4.5 feet. How many cubic feet of water is contained in the pool? Use 3.14 for pi. Round your answer to the nearest cubic foot.

Answers

Answer:  A

Step-by-step explanation:

The question asks about how much space the cylinder can hold. That's how i know they are really asking for the volume of the cylinder.

Next, the volume of a cylinder is V= πr²h

R is the radius

h is the height

π= 3.14 (in this question).

We know that the diameter is 30, and that the radius is always 1/2 of the diameter. To find the radius, find 1/2 of 30. Whenever you see something of something, just turn the "of" into the multiplication sign. So just do 1/2 x 30= 15.

R= 15

H= 4.5

Pi= 3.14

Now we can plug into the formula:

Using pemdas, do exponents first. Then multiply from left to right.

V= πr²h

V= 3.14x15²x4.5

V= 3.14x225x4.5

V= 706.5x4.5

V= 3,179.25

3,179.25  rounds rounds to just 3,179 because first you round the .25 to point 3, and because 3 is under 5, it rounds down. The answer is A

Hope this helps :)) Also brainliest would be appreciated, I worked pretty hard on this :D

please help me with this and prove how you got your answer

Answers

To make this proportional the length needs to be 21.43 inches hope this helps!
______ I am sorry but I can't help_____

6 questions pls !!!!!!
What is the Answer pls help I am trying my best. 50 points !!!!!!!

Answers

Answer:

1. 11/2

2. 4 and 1/6

3. 5 and 1/12

4. 41/8

5. 113/24

6. 32/3

Step-by-step explanation:

Find the missing angle on a quadrilateral. Angle C equals 80 degrees, Angle D equals 90 degrees, and angle E equals 135 degrees. What is the measure of Angle F?

Answers

all quadrilateral angles have to add up to a total of 360°, so we just need to add the angles we already have and subtract that from 360.
135+90+80=305
360-305=55 so your answer is 55!

20 points
How do you convert mass to volume without density?

Answers

Answer:

Well, you could always just put it onto a scale to find the mass. But assuming you aren't talking about a laboratory setting. sorry if its all werid i cant really put it into how it supposed to be

The general formula is:

ρ

=

m

V

where

ρ

is density in

g/mL

if mass

m

is in

g

and volume

V

is in

mL

.

So to get the mass...

m

=

ρ

V

Or to get the volume...

V

=

m

ρ

When you have the volume and not the density, and you want to find mass, you will need to find the density yourself. It's often readily available on the internet.

Just replace "[...]" with the object you want, and if it's not exactly what you need, consider it an estimate.

These days, you should be able to search for the density of any common object.

When you have the density and volume but not the mass, then just make up a mass.

You shouldn't need specific numbers to do a problem. You can always solve a problem in general and get a solution formula. If you need to, just make up some numbers that you know how to use.

YOU GOT GAMES ON YO PHONE?

Will give brainliest so no links^^
If a man is driving at a rate of 80 km per hour, how many kilometers will he travel in 30 minutes?

A) 30 km
B) 40 km
C) 60 km
D) 240 km

Answers

Answer:

C

Step-by-step explanation:

It’s B

Because 80km is 1 hour

30 minutes is half an hour

So than you multiply 1/2 and 80 and you get 40km

Answer is B: 40Km

2 A rectangular computer screen has an area of A square inches. The width of the
computer screen is 7 inches. Which equation represents x, the length of the computer
screen in inches?
F
G
H
J
F x =
G x = A + 27
H x = A - 2(7)
J x =

Answers

I wanna say it’s letter f or j I’m not sure.

Answer:

I think its F

Step-by-step explanation:

Do you agree with Jada or Lin? Explain. (Look at the attached picture)

Answers

Answer:

lyhn

Step-by-step explanation:

because she has more %s

PLS HELP ILL GIVE BRAINLIEST.

Answers

Answer:

Step-by-step explanation:

I think it increased by 20% I think or it’s 25% think

Help my dum b brain cant handle this right now

Answers

-100 < -75
-100 is less than -75

Answer:

It would be -100 < -75

Step-by-step explanation:

yeah i ask a lot of questions my bad

Answers

Answer:

B

Step-by-step explanation:

4 + 3 =7

^

n

Find the area of the figure.

Answers

Answer:25

Step-by-step explanation:Count all the wholes then put all the halves and there is 25

answer: 25
hope this helps out .

biased means: when a sample does not accurately represent the population.
random sample means: a sample that is NOT BIASED.

Answers

should be a random sample because they are picking out of a hat. that shows that it is random

the graph shows a proportional relationship which equation matches the graph

Answers

Y=3x is the answer your welcome

In a community survey, 13/20 of the residents claim to recycle. If there are 720 residents, how many residents claim to recycle?

Answers

Answer:

468

Step-by-step explanation:

make a proportion:

13/20 = x/720

20x?=720

20x36=720

whatever you do to the bottom you do to the top

13x36=468

468/720 residents claim to recycle

Other Questions
A payment stream consists of three payments: $3,000 due today, $3,500 due 120 days from today, and $4,000 due 290 days from today. What single payment, 90 days from today, is economically equivalent to the payment stream if money can be invested at a rate of 3.1%? (Use 365 days a year. Do not round intermediate calculations and round your final answer to 2 decimal places.) composer, pianist, and band leader; one of the first musicians to bring together elements of ragtime piano and blues in a rhythmic manner that suggested swing eighth notes: ____________________ Investment X offers to pay you $4,800 per year for 9 years, whereas Investment Y offers to pay you $7,100 per year for 5 years.If the discount rate is 6 percent, what is the present value of these cash flows? 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June 15 Declared a cash dividend of $1 per share to stockholders of record on June 30. July 10 Paid the $1 cash dividend. Dec. 1 Purchased 1,800 additional shares of common stock for $15 per share. Dec. 15 Declared a cash dividend on outstanding shares of $1.30 per share to stockholders of record on December 31. -/5 E Prepare the entries, if any, on each of the three dividend dates. A student is writing a proof of 2+4+6+8+...+ 2n = n(n+1) and writes the following as part of their proof: Our inductive hypothesis is: P(k): 2 +4 +6 +8+ ... + 2k = k(k + 1). We (A) P(k + 1) is true. That is, (B) : 2 +4+6+8+...+2k + 2(k + 1) = (k + 1)(k + 2). Notice that (C) 2+4 +6+8+ ... + 2k + 2(k + 1) = P(k)+(2k + 2) (C) Is statement (C) correct - if no, explain what is wrong with it and how to correct it. Question 15 Marin's is a reflection of how they both percieve information and repsond to it. O Big Data perception O location on the introvert/extrovert scale decision-making style time orientation am Read the excerpt from The Common Sense of Bicycling: Bicycling for Ladies. As you place the saddle forward raise it in front. Many riders fail to do this, and the result is that they have to bear heavily on the handles to keep from slipping forward. Read the paraphrase that Bruno wrote to help him understand the excerpt. To avoid grabbing the handles too hard when you ride, slide the saddle forward but raise the front of the saddle, too. To improve his paraphrase, Bruno should add extra ideas like "and loosen your grip" that clarify the meaning. Delete "slide the saddle forward" to maintain the meaning of the original excerpt. Add information about avoiding "slipping forward" to include key details he skipped. Change the phrase "grabbing the handles" to be restated in his own words many bronze age empires collapsed for all of the following reasons except The probability that an automobile being filled with gasoline also needs an oil change is 0.30; the probability that it needs a new oil filter is 0.40; and the probability that both the oil and the filter need changing is 0.14. (a) If the oil has to be changed, what is the probability that a new oil filter is needed? (b) If a new oil filter is needed, what is the probability that the oil has to be changed? (a) The probability that a new oil filter is needed is (Round to three decimal places as needed.) (b) The probability that the oil needs to be changed is (Round to three decimal places as needed.) The volume (in cubic inches) of a shipping box is modeled by v=2x^3 - 19x^2 + 39x, where x is the length (in inches). Determine the values of x for which the model makes sense. Explain your reasoning.a. x < 0b. x 0c. x > 0d. x 0