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3 years ago

Solve for y: x/y - 8 = w

Mathematics

1 answer:

inysia [295]3 years ago

4 0

X/y-8=w
x-8y=wy
x=wy+8y
x=y(w+8)
y= $\frac{x}{w+8}$

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I need help it's really hard Properties of exponents

Agata [3.3K]

$\bf 12^x\times 12^4=12^8\implies \stackrel{\textit{if the base is the same, so are the exponents}}{12^{x+4}=12^8} \\\\\\ x+4=8\implies x=4$

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4 years ago

Round the number to hundredths 45.65747

Luda [366]

Answer:

45.66

Step-by-step explanation:

Step 1: Round to the Hundredths place

45.65747

Since the thousands place is above 5, we round up the hundredths place.

45.65747

45.66

Answer: 45.66

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3 years ago

Read 2 more answers

Steve can complete the 100m dash in 10 seconds while Paul can run it in 12 seconds. How does Steve's time compare to Paul's?

Lana71 [14]

Let

x---------> Steve's time

y--------> Paul's time

we know that

$x=10\ s\\y=12\ s$

$x < y$ ------> Steve is faster than Paul

Divide x by y

$\frac{10}{12}=\frac{5}{6}$

therefore

the answer is the option

A. Steve is 5⁄6 as fast as Paul

8 0

3 years ago

Read 2 more answers

Pedro works as a newspaper deliverer. He receives a base pay plus an additional amount per newspaper delivered. Last week, Pedro

pentagon [3]

Y=mx+b
x=number of newspapers
37.5 earned for 5 newspapers
37.5=5m+b

earned 75 and deliverd 20 newpapers
75=20m+b

we have

37.5=5m+b and
75=20m+b
multiply first equaiton by -1 and add to other equaiton

-37.5=-5m-b
75=20m+b +
37.5=15m+0b

37.5=15m
divide both sides by 15
2.5=m

sub back to find b
75=2.5(20)+b
75=50+b
minsu 50 both sides
25=b

y=2.5x+25 is lnear funtion

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3 years ago

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One positive number is one-fifth of another number. The difference between the two numbers is 260, find the numbers.

Tasya [4]

Answer:

x = 325 and y = 65

Step-by-step explanation:

Let the numbers be x and y.

$y = \frac{1}{5} x$