The value of 42−{(7+14)÷7}×4 will be 30.
What is an expression?A mixture of variables, numbers, addition, subtraction, multiplication, and division are called expressions.
An expression is a mathematical proof of the equality of two mathematical expressions.
A statement expressing the equality of two mathematical expressions is known as an equation.
Given,
⇒ 42−{(7+14)÷7}×4
⇒ 42 - { (21)÷7}×4
⇒ 42 - 3×4
⇒ 42 - 12
⇒ 30
Hence "The value of 42−{(7+14)÷7}×4 will be 30".
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Hewooooooo how r u doing today?
Step-by-step explanation:
hii, im good and ur the best. thank uuuu oncemore..
Also this one if not a problem.
Answer:
we dont have paper
Step-by-step explanation:
Mrs. Simpson's class has 10 girls and 15 boys. What is the ratio of girls to boys?
Answer:
5:3
Step-by-step explanation:
this is because 15:10 can be divided by 5 on each side
Answer:
2:3
Step-by-step explanation:
Girls:Boys = 10:15Simplify: 10:15 = 2:3I hope this helps!
What two numbers have a product of 36 and a sum of -13?
Answer:
nothing
Step-by-step explanation:
a product of 2 positive numbers always shows a positive value if we add them
Write a related number sentence
using the same addends and sum.
55 + 13 = 68
Answer:
68-13=13 and 68-55 = 13
Step-by-step explanation:
Answer:
68-13=55 or 68-55=13
Step-by-step explanation:
is something like this what u mean
6) In 3 seconds you can fill up a pool with 42 gallons of water. If this is a proportional
relationship fill in the table below.
Time (sec) 1/2/3/4/5
Amount of /. /42/. /. /
Water (gal)
Answer:
1/2/3/4/5
14/28/42/56/70
Step-by-step explanation:
divide the 42 gallons by 3 (since 3 seconds for 42 gallons) to find the rate of change. the answer is 14. then just do the number times 14 all the way. and yes this is proportional
-3y > 9 or 2y - 6> 2 plz solve the inequality
Answer:
y > 4
Step-by-step explanation:
if you are doing 2y-6 >2, firstly move the constant to the right to get 2y > 2+6. Then calculate the sides, you get 2y > 8. Divide both by 2 and get y > 4
Answer:
-3y>9= y<-3
2y-6>2=y>4
The figure shows three quadrilaterals on a coordinate grid:
Which of the following statements is true about the three quadrilaterals?
A) Q and W are similar but not congruent.
B) W and S are similar and congruent.
C) W and Q are similar and congruent.
D) Q and S are similar but not congruent.
Answer:
Q and W are similar but not congruent.
Step-by-step explanation:
I am lost if anybody that understand that question can help me please
Answer:
Step-by-step explanation:
Slope is the difference in y values over the difference in x values
another way to look at it is [tex]\frac{rise}{run}[/tex]
If the slope is 0.28, that means that
[tex]rise = 0.28(run)[/tex]
We're told that the section rises by 1 unit
[tex]1 = 0.28(run)\\[/tex]
[tex]run = \frac{1}{0.28} = 3.571428571 = 3.57[/tex]
Please help me?! Solve for x
Answer:
x=8
Step-by-step explanation:
Each of the angles in a rectangle equal 90, so you would set 10x+10 equal to 90.
10x+10=90
10x=80
x=8
. A bag contains 7 orange beads, 3 red beads, and 5 white beads. What is the probability of
drawing a white bead?
Answer:
Work shown below!
Step-by-step explanation:
White bead = [tex]\frac{5}{15} =\frac{1}{3}[/tex]
Answer:
a 33.3333333% chance
Step-by-step explanation:
we do 7+3+5= 15 (the denominator)
and so the amount of white beads in total is 5/15
5÷15+100= 33.333333333 and so on percent
Which shows two expressions that are equivalent to (Negative 7) (Negative 15) (Negative 5) Yan is climbing down a ladder. Each time he descends 4 rungs on the ladder, he stops to see how much farther he has to go. If Yan made 8 stops with no extra steps, which expression best shows another way to write the product of the number of ladder rungs that Yan climbed?
Answer:
(-8) + (-8) + (-8) + (-8)
Step-by-step explanation:
Since Yan is descending ; we represent his movement as being negative.
Number of rungs descended before stopping = 4
Number of stops = 8
Given that no extra steps was taken ;
Number of ladder rungs descended :
4 rungs per stop for 8 stops
- 4 * 8 = - 32 rungs
Another way to write the product :
Number of stops added in number of rungs descended :
(-8) + (-8) + (-8) + (-8)
HELP PLEASE ANSWER FULL QUESTION
Answer:
the constant of proportionality is the ratio between two directly proportional quantities.
b. k=y/x or y = k*1/x
Help please? *worried noises*
Anyone know the answer?
Answer:
8,748
Step-by-step explanation:
f(x) = [tex]12(3)^{x}[/tex]
f(6) = [tex]12(3)^{6}[/tex] = 12 × 9³ = 12 × 729 = 8,748
I need the value of X
Answer:
x=18
Step-by-step explanation:
6x-3 and 75 are not equal to each other. If you look closer you can see that 75 is an acute angle making it less than 90 degrees and 6x-3 is an obtuse angle meaning it is bigger than 90 degrees. Therefore you add both 75 and 6x-3 to get 180 because 180 is equal to a straight line and an acute angle and an obtuse angle both form a straight angle when together. So your problem would be 75+(6x-3)=180
How does line EF relate to line AC?
Answer:
they both have the same angles
Step-by-step explanation:
Which of the following ordered pairs make this equation true? Y = 2x - 7 A. (1,9) B. (-3, 4) C. (4,1) D. (-1, 5)
Answer:
(4,1)
Step-by-step explanation:
Using substitution you can determine that 2*4-7 is in fact equal to 1
Which of the following best explains why a complex number z = a + bi and its polar form represent the same number?
Answer:
C on Edge
Step-by-step explanation:
Edge2020
Answer:
C
Step-by-step explanation:
right on edge, hope this helps
A computer store buys a computer system at a cost of $572.40. The selling price was first at $954, but then the store advertised a 20% markdown on the system. Answer parts a and b.
Answer:
The sale price is $763.20
The price for club members is $610.56
The current selling price is $763.20, and the cost to members with an additional 10% reduced rate is $686.88.
What is a percentage?A percentage is a ratio or number that may be expressed as a fraction of one hundred. And the sign for it is "%."
Given, a computer store buys a computer system at a cost of $572.40.
And the selling price was first at $954, but then the store advertised a 20% markdown on the system.
To find the current sale price:
Current sales price;
use percentage formula,
= $954 - (20% × $954)
= $954 - (0.2 × $954)
= $954 - $190.80
= $763.20
To find the cost to club members at 10% additional reduced price:
use percentage formula,
= $763.20 - (10% × $763.20)
= $763.20 - (0.1 × $763.20)
= $763.20 - $76.32
= $686.88
Therefore, the current sale price is $763.20, and it will cost $686.88 to the members.
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Whats the answer for 0.15 + 0.36 i need help solving it.
Answer:
0.51
Step-by-step explanation:
okay I'm not good at explaining this but I'm going to try my best
put 0.15 on top of 0.36 like this
1
0.15
0.36
_____
0.51
5+6=11
3+2=5 I said 2 because 5+6=11 so you had to carry your 1
then you would just bring your 0 down cause everybody know 0+0=0 lol!
The number of candies in the box is between 80 and 100. It is possible to divide all the candies among 2, 3 or 5 children. How many candies are in the box?
Answer:
90
Step-by-step explanation:
The number of candies can be divided among 2, 3, or 5 children so that is the same as saying: the number of candies must be divisible by 2, 3, and 5. In order for a number to be divisible by 5, it must end in 0 or 5 so we know the number of candies must end in 0 or 5. For a number to be divisible by 2, the number must end in an even number. 5 is not an even number so we know the number of candies must end in 0. If a number is divisible by 3, the digits added are divisible by 3. Go through each number(80, 90, 100) and see which one is divisible by 3. 90 is divisible by 2, 3, and 5.
Proof that 90 is divisible by 2, 3, and 5:
90 ÷ 2 = 45
90 ÷ 3 = 30
90 ÷ 5 = 18
The results are all whole numbers.
what’s the slope for these two lines i need help for brainlist
Answer:
green line: y = 1x + 6
blue line: y = 1x + 3
Step-by-step explanation:
I did give an explanation her but someone deleted it. :(
Evaluate: 6²- 3³
Help I am too dumb to do it-
Answer:
12-9=3
Step-by-step explanation:
Answer:
27
Hope this helps you out!
Write the equation of a line passing through the given point that is
perpendicular to the given line. 3.x – 8y = 16; (-3, 1)
Answer:
-8x-21=3y or -8/3x-7=y or 8x+y+21=0
Step-by-step explanation:
First find the slope of 3x-8y=16.
3x-16=8y (divide both sides by 8 so that y is isolated)
3/8x-2=y The slope is 3/8. The perpendicular slope is the negative reciprocal of 3/8, which is -8/3
Using the points, the equation of the line can be found.
(-8/3=y-1/x-(-3))3(x-(-3) (3(x-(-3) is the common denominator
This equals -8x-24=3y-3, add three to both sides which equals -8x-21=y.
The other answers are written in slope y-intercept form and general form.
*Note: x-(-3) can be written as x+3
What is the image of (1,6) after a reflection over the y-axis?
Answer: -1,6 maybe
Step-by-step explanation:
PLEASE HELP!!!
Select all that apply. Which of the following statements are true of this equation? Select all that apply. 5 1/6 divided by 2 5/12 = 2 4/29
The dividend is 5 1/6
The divisor is 5 1/6
The dividend is second number in this equation.
The quotient is correct.
Step-by-step explanation:
the dividend divided by the divisor equals the quotient
The dividend is [tex]5\frac{1}{6}[/tex] and the divisor is [tex]2\frac{5}{12}[/tex] and the quotient is [tex]2\frac{4}{29}[/tex]. Therefore, option A is the correct answer.
The given equation is [tex]5\frac{1}{6}\div2\frac{5}{12} =2\frac{4}{29}[/tex].
What is the division?The division is one of the basic arithmetic operations in math in which a larger number is broken down into smaller groups having the same number of items.
Here,
[tex]5\frac{1}{6}\div2\frac{5}{12} =2\frac{4}{29}[/tex]
⇒ 31/6 ÷ 29/12 = 62/29
⇒ 31/6 × 12/29 = 62/29
⇒ 62/29 = 62/29
Here, the dividend = [tex]5\frac{1}{6}[/tex] and the divisor = [tex]2\frac{5}{12}[/tex] and the quotient = [tex]2\frac{4}{29}[/tex]
Therefore, option A is the correct answer.
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Paula purchased adult and child tickets for the carnival. Tickets cost $19.95 for each adult and $9.95 for each child. Let x represent the number of adult tickets purchased and y represent the number of child tickets purchased. Write an expression to represent the total cost of the tickets Paula purchased.
Answer:
19.95x+9.95y= Total cost
Step-by-step explanation:
Find a formula for the n th term, T n , of the following arithmetic sequence: 13 , 17 , 21 , 25 , . . . Hence, or otherwise, find the value of the 40th term, T 40 .
Answer:
tₙ = 4n + 9 t₄₀ = 169Step-by-step explanation:
17-13=4 and 21-17=4 and 25-21=4 so d=4
[tex]t_n=t_1+d(n-1)\\\\t_1=13\\d=4\\\\t_n=13+4(n-1)\\\\t_n=13+4n-4\\\\\underline{t_n=4n+9}[/tex]
[tex]t_{40}=4\cdot40+9=160+9=169[/tex]
Mr. Hon purchases a new car every 4 years. Ms. Jasper purchases a new car every 6 years. They both purchased new cars this year. When will they next both purchase new cars in the same year?
Answer:
12 years
Step-by-step explanation:
Given that Mr. Hon purchases a new car every 4 years. Ms. Jasper purchases a new car every 6 years.
Assuming that they purchase new cars together after n years.
So, n must a multiple of 4 as well as multiple 6, i.e the number n is the lowest multiple (LCM) of 4 and 6.
As LCM od 4 and 6 is 12, so n=12.
Hence, after 12 years they will purchase news cars together.