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2 years ago

A $10 shirt was sold for $16. What was the percent of change?

Mathematics

1 answer:

zloy xaker [14]2 years ago

3 0

Answer:

62.5%

Step-by-step explanation:

10x100 divded by 16 =62.5

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Simplify and solve each equation for the x

SpyIntel [72]

Answer:

x = 2

Step-by-step explanation:

2(2x+1-x)=6

2(x+1)=6 add common factors

2x+2=6 distribute the 2

2x=4 subrtract 2 on both sides

x=2 divide 2 on both sides

8 0

2 years ago

What is the value of s? units 0 5 В 8 15 S D

Diano4ka-milaya [45]

Answer:

Step-by-step explanation:

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3 years ago

Which expressions are equal to 0 when x=-1? Check all that apply.

Reptile [31]

Answer:

4(x+1)/(4x+5)

4(x+1)/(5-4x)

4(x-(-1))/(4x+5)

Step-by-step explanation:

The numerators in the fractions must equal to 0, or else the expressions won’t have the result of 0.

4(x+1)

4(-1+1)

4(0)

= 0

4(x-(-1))

4(-1-(-1))

4(-1+1)

4(0)

= 0

The expressions with the numerator as 0 have the result of 0.

7 0

2 years ago

I NEED HELP ASP 20 points

leva [86]

Circumference
C = pi d
C = 3.14 x 10
C = 31.4 cm

Area
A = pi r^2
A = 3.14 x 5^2
A = 78.5 cm^2

8 0

2 years ago

A ball is dropped from a height of 64 feet. Its height, in feet, can be modeled by the function h(t) = -167 + 64, where t is the

Oliga [24]

Answer:

Step-by-step explanation:

Known facts:

the ball dropped from a height of 64 feet
function $h(t) = -16t^{2} + 64$

First question:

the ball hits the ground when h(t) = 0, thus we get the equation

$-16t^{2} +64 = 0\\16t^{2} = 64\\t^{2} =4\\t = 2$

So the ball hits the ground in 2s

Second question

to find how long it takes the ball to fall 36 feet, we must set h(t) = 64 - 36 = 28

$-16t^{2} +64 = 28\\16t^{2} = 36\\t = \frac{6}{4} =1.5s$

So the ball hits the ground in 1.5s

Hope that helps!

3 0

2 years ago