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Kazeer [188]
3 years ago
14

Abhasra spent half of her weekly allowance at the movies. To earn more money her parents let her clean the windows in the house

for $7. What is her weekly allowance if she ended with $12? Solve in y= mx+b
Mathematics
1 answer:
never [62]3 years ago
7 0

Answer:

$10

Step-by-step explanation:

x is her weekly allowance.

She spent half her allowance and has ½x remaining.

She earned $7, and now has $12.

12 = ½x+7

x = 10

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What's the property to (x/y)^3=x^3/y^3
Sphinxa [80]

Answer:

Power of a quotient property

Step-by-step explanation:

It is power of a quotient property, when you have different bases, whose quotient(division) is raised to the same power, it is equal to dividing, each base raised to same power.

Here, x and y are different bases and 3 is the common power to both of them.

In general for any power, say m :

(\frac{x}{y} )^{m} = \frac{x^{m} }{y^{m}}

Because, (\frac{x}{y} )^{m} = \frac{x}{y} \times \frac{x}{y} \times\frac{x}{y}.... m times

And, (\frac{x}{y} )^{3} = \frac{x}{y} \times \frac{x}{y} \times\frac{x}{y}

i.e (\frac{x}{y} )^{3} = \frac{x^{3} }{y^{3}}

7 0
3 years ago
For the function F defined by F(x) = x2 – 2x + 4, find F(| — 4|).
Lostsunrise [7]

F(x)=x^2-2x+4

\\ \sf\longmapsto F(|-4|)

\\ \sf\longmapsto F(4)

\\ \sf\longmapsto 4^2-2(4)+4

\\ \sf\longmapsto 16-8+4

\\ \sf\longmapsto 8+4

\\ \sf\longmapsto 12

7 0
3 years ago
On a scale 5 cm is 12 yards. If the length is 30 yards, how many cm is this on the scale?
Scorpion4ik [409]

Answer:

12.5 cm I would believe

Step-by-step explanation:

30 divided by 12 is 2.5, 5 times 2.5 is 12.5

7 0
3 years ago
PLEASE HELP WILL MARK BRAINLIEST
Ivanshal [37]
First one pretty obvious
8 0
3 years ago
The height of a cylinder is twice the radius of its base.
Ber [7]

Let x represent radius of circle.

We have been given that the height of a cylinder is twice the radius of its base. So height of cylinder would be 2x.

Now we will use volume of cylinder formula to our given problem.

V=\pi r^2h, where,

r = Radius of base of cylinder,

h = Height of cylinder.

Upon substituting our given values, we will get:

V=\pi\cdot x^2\cdot 2x

V=2x^3\pi

Therefore, our required volume expression would be 2x^3\pi.

6 0
3 years ago
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