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2 years ago

10

The furniture store where Jada's sister works bought a table for $200 and sold it for $350. What percentage was the markup? I wa

nt to know the dollar increase.

1 answer:

nevsk [136]2 years ago

3 0

Answer:

divide 350 by 200

Step-by-step explanation:

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Help! Or my mums gonna kill me!

swat32

Answer:

With what?

Step-by-step explanation:

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2 years ago

Read 2 more answers

Point: (-3, 7); Slope: 4

GaryK [48]

Answer:

y - 7 = 4(x + 3)

Step-by-step explanation:

Write the equation of a line using the point slope formula. Substitute m = 4 and the point (-3,7) in the formula.

$y - y_1 = m(x-x_1)\\y - 7 = 4(x--3)\\y - 7 = 4(x+3)$

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2 years ago

Analysis of an accident scene indicates a car was traveling at a velocity of 69.5 mph (31.1 m/s) along the positive x-axis at th

STatiana [176]

We can find the acceleration via

${v_f}^2-{v_i}^2=2a\Delta x$

We have

$\left(5.20\dfrac{\rm m}{\rm s}\right)^2-\left(31.1\dfrac{\rm m}{\rm s}\right)^2=2a(115\,\mathrm m)$

$\implies\boxed{a=-4.09\dfrac{\rm m}{\mathrm s^2}}$

Then by definition of average acceleration,

$a_{\rm ave}=\dfrac{v_f-v_i}t$

so that

$-4.09\dfrac{\rm m}{\mathrm s^2}=\dfrac{5.20\frac{\rm m}{\rm s}-31.1\frac{\rm m}{\rm s}}t$

$\implies\boxed{t=6.33\,\mathrm s}$

We alternatively could have found the time without knowing the acceleration. Since acceleration is constant, the average velocity is

$v_{\rm ave}=\dfrac{x_f-x_i}t=\dfrac{v_f+v_i}2$

Then

$\dfrac{115\,\rm m}t=\dfrac{5.20\frac{\rm m}{\rm s}+31.1\frac{\rm m}{\rm s}}2$

$\implies\boxed{t=6.33\,\mathrm s}$

7 0

2 years ago

Simplify: (-20)4 ÷ (-20)1 <br> A.(-20)4<br> B. (-20)5<br> C. -201 <br> D.(-20)3

Bezzdna [24]

A. (-20)4
Hope this helped! With love, Eilyssa! :)

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3 years ago

Read 2 more answers

A computer store buys a computer system at a cost of $370.80. The selling price was first at $ 618, but then the store adverti

Anestetic [448]

The current sale price would be $123.60.

20% of $618 is 123.6. So turn that into dollars and cents and you get $123.60

4 0

2 years ago