susan has a total of 31 books. amy has four less than seven times the number of books compared to susan. write an equation for this situation.

Answers

Answer 1

Answer:

213

Step-by-step explanation:

(31x7)-4


Related Questions

if p=(-1,-1) find the image of P under the following rotation. 90 degrees counterclockwise about the origin brainly

Answers

Answer:

(1 , –1)

Step-by-step explanation:

bro, you can see it if you draw on graph paper, or you just need to use your imagination more

Answer:

1,-1

Step-by-step explanation:

A new laundry detergent is supposed to be equally superior to the leading brand in both hot and cold water. If the new detergent works as predicted, then there should be an interaction between the brand of detergent and the temperature of the water.
a. True
b. False

Answers

Answer: false

Step-by-step explanation: because you set the temp not the liquids.

Johnny was buying pizza rolls. One sausage pizza roll cost 1.54 and he also bought pepperoni flavored rolls. If he buys 6 sausage rolls and 10 pepperoni rolls and he spends $22.54 in total. How much does a pepperoni roll cost?

Answers

Answer:

$1.33

Step-by-step explanation:

multiply 6 by 1.54 to see how much he spent on sausage rolls

subtract that from the total ($22.54)

divide by 10 to see how much each pepperoni roll costs

Answer:

$1.33

Step-by-step explanation:

1.54x6=9.24

22.54-9.24=13.30

13.30/10=1.33

Theo has one piece of train track that is 74 millimeters long and a second piece of train track that is 97 millimeters long.

How many meters of track does Theo have in all?


0.171 m

1.71 m

17.1 m

171 m

Answers

A: 0.171 m, because 1 meter is 1,000 mm, and there is only 171 mm total.

pythagorean theorem round to the nearest tenth !!

Answers

Answer:

8,06

Step-by-step explanation:

c = Va^2+b^2 = V4*4+7*7 = v65 = 8,06

I want to know what 5/8 divided by 8/5 equals

Answers

Answer:

The answer is 0.390625

HELP ME PLEASE, I can't figure out this puzzle :(

Answers

042 good luck on ur test

heeeeeeeeeeeelppppppppppppppppppppppppppppp

Answers

1. The Agent Earned $6,303  

First, the real estate agency will earned 5.5%

5.5/100 * $382,000 = $21,010

Then, the agent earns 30% of $21,010

30/100 * $21,010 = $6,303

2. Basically, we're setting up an equation where Option A and Option B are the same amount.

For option A, you are making 23 dollars each hours, for 40 hours. (40*23)

For option B, you are making 4% of your sales. We're looking for how much she sells, so we can write that as x. (.04x)

Set the 2 options as equal and solve for x.   so x is  920(.04x

sorry if wrong it was really hard

3. If 90% are women, 10% are men.

If x is the total amount of people.

.1x = 320

Solve x from here.

FIANNLY IM DONE

Two of the statements are true; one is a lie.

Select the one that is a lie.
Then explain your reasoning.

∠BAF and ∠CAF are complementary.
∠BAF and ∠BAC are adjacent.
∠DAC and ∠CAB are supplementary.

Answers

Answer:

Angle BAF and angle BAC is incorrect.

They overlap: adjacent angles do not overlap.

Answer: Choice B

angle BAF and angle BAC are adjacent

=============================================================

Explanation:

Let's go through each of the answer choices.

Choice A is true since angles BAF and CAF form a right angle (90 degree angle). So we can rule this out.Choice B is false. This is the answer. Adjacent angles must share a common ray or side, which does happen with the two angles in question (both share ray AB); however, note that angle BAF is completely inside angle BAC. We cannot have this overlap, or any overlap at all, when it comes to adjacent angles. Choice C is true. The two angles combine or glue together to form a straight angle, which is 180 degrees. We can rule this answer choice out.

(no links) Please Help!

Answers

9514 1404 393

Answer:

  D, B

Step-by-step explanation:

Price per pound is found by dividing dollars by pounds.

  Store A: $9/(3 lb) = $3.00 /lb

  Store B: $9.75/(3 lb) = $3.25 /lb

  Store C: $12.40/(4 lb) = $3.10 /lb

  Store D: $14.50/(5 lb) = $2.90 /lb

Part A: The lowest price per pound is $2.90 per pound at store D.

Part B: The highest price per pound is $3.25 per pound at store B.

Which is true about the line whose equation is x = 5?
The slope is undefined.


The y-intercept is 4.


The value of x always equals the value of y.


The slope is zero.

Answers

Answer:

the slope is undefined

Step-by-step explanation:

Since x=5, the graph is a straight vertical line when x=5. Since the line is vertical and not horizontal, the slope is undefined. If the line was horizontal then the slope would equal zero.

Elena wonders how much water it would take to fill her cup, so she wants to determine the diameter of the cylindrical cup. She drops her pencil in her cup and notices that it just fits diagonally. (See the diagram.) The pencil is 17 cm long and the cup is 15 cm tall. What is the diameter of the cup? Explain or show your reasoning.

Answers

Answer:

get brainly pictures in the appp store it should help you

Step-by-step explanation:

In a circle of radius 10 cm, a sector has an area of 40 (pi) sq. cm. What is the degree measure of the arc of the sector?
72
144
180°

Answers

Answer:

144°

Step-by-step explanation:

First, find the area of the circle, with the formula A = [tex]\pi[/tex]

Plug in 10 as the radius, and solve

A = [tex]\pi[/tex]r²

A = [tex]\pi[/tex](10²)

A = 100[tex]\pi[/tex]

Using this, create a proportion that relates the area of the sector to the degree measure of the arc.

Let x represent the degree measure of the arc of the sector:

[tex]\frac{40\pi }{100\pi }[/tex] = [tex]\frac{x}{360}[/tex]

Cross multiply and solve for x:

100[tex]\pi[/tex]x = 14400[tex]\pi[/tex]

x = 144

So, the degree measure of the sector arc is 144°

Answer:

Solution :-

We know that

Area = πr²

Area = 3.14 × (10)²

Area = 314/100 × 100

Area = 314 cm²

Now

40π/314 = x/360

40 × 3.14/314 = x/360

125.6/314 = x/360

0.4 = x/360

0.4 × 360 = x

144 = x

[tex] \\ [/tex]

35 Type the correct answer in each box. Day Amount 1 $26 2 $23 3 $31 4 $26 5 $34 The table shows the amount Bill spent on 5 days last week. The mean of the amount he spent is $ The mean absolute deviation is $ Reset Next​

Answers

Answer:

The answer is 23 I just took this test and got it right

Step-by-step explanation:

Answer: 23

Step-by-step explanation:

Some of the ingredients in Monica's cake recipe will have 2/3 cup of
butter, and 3/4 cup of flour. Monica wants to make 12 cakes. How much
butter will she use? How much flour will she use?

Answers

Answer:

(a)3-2=1 (b) 4-3=1 (c) 12-1-1=10

Someone be a g and answer this!

Answers

Y= 8.50x + 2.99 I hope this helps

1 1/4×-1 1/3 is equals to?​

Answers

Answer: [tex]-\frac{5}{12}[/tex]

Steps:

[tex]1\frac{1}{4}\times \left(-1\right)\frac{1}{3}[/tex]

Convert mixed numbers to improper fractions: [tex]1\frac{1}{4}[/tex][tex]=\frac{5}{4}[/tex]

[tex]=\frac{5}{4}\times \left(-1\right)\frac{1}{3}[/tex]

[tex]\mathrm{Apply\:the\:rule}:\quad \:a\left(-b\right)=-ab[/tex]

[tex]\frac{5}{4}\left(-1\right)=-\frac{5}{4}\times \:1[/tex]

[tex]=-\frac{5}{4}\times \:1\times \frac{1}{3}[/tex]

[tex]\mathrm{Apply\:rule}\:a\times 1=a[/tex]

[tex]=-\frac{5}{4}\times \frac{1}{3}[/tex]

[tex]\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{b}\times \frac{c}{d}=\frac{a\:\times \:c}{b\:\times \:d}[/tex]

[tex]\frac{5}{4}\times \frac{1}{3}=\frac{5\times \:1}{4\times \:3}[/tex]

[tex]=-\frac{5\times \:1}{4\times \:3}[/tex]

[tex]\mathrm{Multiply\:the\:numbers:}\:5\times \:1=5[/tex]

[tex]=-\frac{5}{4\times \:3}[/tex]

[tex]\mathrm{Multiply\:the\:numbers:}\:4\times \:3=12[/tex]

[tex]=-\frac{5}{12}[/tex]

Hope This Helps!

Geometry i need help with this geometry question

Answers

Answer:

RS/XY = ST/YZ

Step-by-step explanation:

They need to follow the same direction and same length in comparision to the rest. From what I can see, that seems to be the one that does that best.

which energy change happens when we switch on a battery-powered radio​

Answers

Electrical energy to sound energy, or chemical energy

the question is in the picture

Answers

Answer:

the hypotenuse is 10

Step-by-step explanation:

6^2 + 8^2 = 100

square root 100 and its 10

A genie pops out of a lamp and presents you with the following choice: - Receive $50,000 now or For the next month, start with 2 pennies on Day 1 and then receive 2 more pennies on Day 2, 4 more pennies on Day 3, 8 more pennies on Day 4, etc.
Write a function for each situation to determine the best financial decision.

Answers

Answer:

y = .01x * 2^x

y = 50000x

Hope that this helps!

what is 70.5 and 79.5 on a number line 60-100?

Answers

Answer:

s

Step-by-step explanation:

Plz help me well mark brainliest if correct....??

Answers

Answer:

Table B

Step-by-step explanation:

what is the surface area?​

Answers

Answer:

D.)

Step-by-step explanation:

(3x4)/2 = 6

(3x4)/2 = 6

5x11= 55

4x11= 44

3x11= 33

= 146

Write an addition expression to describe each situation. Then find each sum.

1.)A hawk is in a tree 100 feet above the ground. It flies down to the
ground

Answers

Answer:Step-by-step explanation:

Zoe is starting her own snow plowing business. Zoe thinks she will do a better job than her competitors, so she thinks she can charge $11 per hour. If she knows she will only be able to work 40.25 hours per week, how much money will she earn each week

Answers

Answer:

$442.75

Step-by-step explanation:

$11/hour x 40.25 hours/week=$442.75

21. What is area of a rectangle with width 6 meters and length 3 meters?
I
A 6 m2
B.
12 m2
c. 18 m²
D. 36 m2

Answers

Answer:

18 m^2

Step-by-step explanation:

please help if u can

Answers

Answer:

x = 11.74739484

Step-by-step explanation:

To solve this problem, you can use trig functions. We are given an angle and the side next to it, and we are looking for the side opposite it. The perfect trig function to use for this would be tangent:

tan(θ) = opposite / adjacent

We can substitute the values we already have:

tan(40) = x / 14

x = 14 * tan(40)

We can evaluate this using a calculator and get:

x = 11.74739484

3/4(x-2)+1/3(2x+5)=4​

Answers

Answer:

X=86/17

Step-by-step explanation:

Answer:

x=46/17

Step-by-step explanation:

Let's solve your equation step-by-step.

3/ 4 (x−2)+ 1/ 3 (2x+5)=4

Step 1: Simplify both sides of the equation.

3/ 4 (x−2)+ 1/ 3 (2x+5)=4

( 3/ 4 )(x)+( 3/ 4 )(−2)+( 1/ 3 )(2x)+( 1/ 3 )(5)=4 (Distribute)

3/ 4x+ −3/ 2 + 2/ 3 x+ 5/ 3 =4

( 3/ 4 x+ 2/ 3 x)+( −3/ 2 + 5/ 3 )=4 (Combine Like Terms)

17/ 12 x+ 1/ 6 =4

17/ 12 x+ 1/ 6 =4

Step 2: Subtract 1/6 from both sides.

17/ 12 x+ 1/ 6 − 1/ 6 =4− 1/ 6

17/ 12 x= 23/ 6

Step 3: Multiply both sides by 12/17.

( 12/ 17 )*( 17/ 12 x)=( 12/ 17 )*( 23/ 6 )

x= 46/ 17

Question 13 I don’t know how to do it

Answers

Answer:

y = - [tex]\frac{1}{4}[/tex] (x - 1)²(x + 2)(x + 6)

Step-by-step explanation:

The roots from the graph are

x = - 6 , then factor is (x + 6)

x = - 2 , then factor is (x + 2)

x = 1 ( multiplicity 2 ) , then factor is (x - 1)² then

y = a(x - 1)²(x + 2)(x + 6) ← a is a multiplier

To find a substitute any point on the graph into the equation

Using (0, - 3 ), then

- 3 = a(- 1)²(2)(6) = 12a ( divide both sides by 12 )

- [tex]\frac{1}{4}[/tex] = a

Then

y = - [tex]\frac{1}{4}[/tex] (x - 1)²(x + 2)(x + 6)

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