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3 years ago

Keion is calculating his expenses from his work trip to San Francisco. Below is the expense log he kept while traveling.

Mathematics

2 answers:

telo118 [61]3 years ago

7 0

Answer:

Step-by-step explanation:

379.00 - 15.00 + 154.00 x 3 + 65.00 + 13.00 = 904

0.55 x 63 = 34.65

34.65 + 904 = 938.65

fomenos3 years ago

4 0

Answer:

Your answer is D

Step-by-step explanation:

because 379-15+154x3+65+13+0.55x63=938.65

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Combine like terms to create an equivalent expression -1/2(-3y+10)

marysya [2.9K]

Answer:

3/2y - 5

Step-by-step explanation:

-1/2(-3y+10)

Expand the brackets.

-1/2(-3y) -1/2(10)

Multiply.

3/2y - 5

3 0

2 years ago

Read 2 more answers

Sphere B is the image of sphere A after dilation by a scale factor of 44. If the surface area of sphere B is 432 km^2, find the

Sergeeva-Olga [200]

<h2>Answer:</h2>

27 km²

<h2>Step-by-step explanation:</h2>

$SA=4\pi Jr^2$

$4\pi r^2_B=432$

$r^2_B=\frac{108}{\pi}$

$r_B=\frac{6\sqrt3}{\sqrt{50}}$

$r_A=\frac{r_B}{4}=\frac{3\sqrt3}{2\sqrt\pi}$

$S_0SA=4\pi Y\begin{matrix}2\\A\\\end{matrix}$

$=4\pi\bullet\frac{27}{4\pi}$

$=27\ km$

$Y_B:Y_A=4=1$

$SA_B:SA_A=16:1$

$432\div 16=27\ km^2$

$simple\ relation.$

<em>I hope this helps you</em>

7 0

2 years ago

Find the y-intercept of the graph of the linear equation. 3/4 x + y = 10

zalisa [80]

Answer:

Step-by-step explanation:

slope intercept form is y=mx+b

in this case b is 10

y=-3/4x+10

4 0

3 years ago

If f(x)=3/4 and g(x)=3x which statement is true trust me I've tried

Evgesh-ka [11]

The answer is D.

f(x) = 3/x
g(x) = 3x

(g * f)(-9) = 3(3/-9)
(g * f)(-9) = 3(-1/3)
(g * f)(-9) = -1

6 0

2 years ago

I need help with this word problem.

zloy xaker [14]

Answer:

33 ⅓%

Step-by-step explanation:

Percent means out of 100, so write a proportion:

1 / 3 = x / 100

Solve for x by multiplying both sides by 100:

x = 100 / 3

Reduce:

x = 33 ⅓

The percent of questions he got right is 33 ⅓%.

4 0

3 years ago