35% of what is 28, thanks for the help

Answers

Answer 1

Answer: 80, and to check 80*0.35=28

Answer 2

Answer: 35% of what is 28

To do this, convert 35% to a decimal by dividing it by 100

You get 0.35

Divide28 by 0.35 and you get 80

So. 35% of 80 is 28

Hope this helped!

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Round each number to the nearest hundredth. what is the best estimate for the answer to 434.657 102.494?

Given the function f(x)=0.5|x-4|-3, for what values of x is f(x)=7?

A. x=-24, x=16
B. x=-16, x=24
C. x=-1, x=9
D. x=1, x=-9

Answers

we have

$f(x)=0.5\left|x-4\right|-3$ -----> equation A

$f(x)=7$ -----> equation B

equate equation A and equation B

$0.5\left|x-4\right|-3=7$

Adds $3$ boths sides

$0.5\left|x-4\right|-3+3=7+3$

$0.5\left|x-4\right|=10$

Multiply by $2$ boths sides

$\left|x-4\right|=20$

we know that

The function absolute value has two solutions

Step 1

Find the first solution (positive case)

$+(x-4)=20$

Adds $4$ boths sides

$x-4+4=20+4$

$x=24$

Step 2

Find the second solution (negative case)

$-(x-4)=20$

Multiply by $-1$ boths sides

$(x-4)=-20$

Adds $4$ boths sides

$x-4+4=-20+4$

$x=-16$

therefore

the answer is the option B

$x=-16, x=24$

7 = 0.5|x-4|- 3 add 3 to both sides: -
0.5|x-4| = 10 divide bs by 0,5:-
|x-4| = 20

either x - 4 = 20 or x - 4 = -20

this gives x = 24, x = -16

(12y2+17y-4)+9y2-13y+3)

Answers

$(12y^2+17y-4)+(9y^2-13y+3)=12y^2+9y^2+17y-13y-4+3=\n\n=21y^2+4y-1$

How to solve equation 2x/5+1=7?
How to solve equation x/3-4=10?

Answers

If you would like to solve the equation 2x / 5 + 1 = 7, you can do this using the following steps:

2x / 5 + 1 = 7
2x + 5 = 5 * 7
2x = 35 - 5
2x = 30
x = 15

If you would like to solve the equation x/3 - 4 = 10, you can do this using the following steps:

x/3 - 4 = 10
x/3 = 10 + 4
x/3 = 14
x = 14 * 3 = 42

The area of the sector formed by the 110 degree central angle is 40 units squared what is the radius

Answers

we know that
area of the circle=pi*r²

if 360° (full circle) has an area of-------------> pi*r²
110°------------------------------> 40 units²
pi*r²=40*360/110--------> pi*r²=130.91------> r²=130.91/pi-----> r²=41.69
r=6.46 units

the answer is
the radius is 6.46 units

Simplify the expression (3/7)^2

Answers

The solution is 9/49

The value of the equation is A = 9/49

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the number be n = 3/7

The equation A = n²

Substituting the value for n in the equation , we get

A = ( 3/7 )²

On simplifying the equation , we get

A = ( 3 )² / ( 7 )²

The value of A = 9/49

Therefore , the value of A is 9/49

Hence , the equation is A = 9/49

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