3 years ago

What to do on 9 and 10

Mathematics

1 answer:

Vanyuwa [196]3 years ago

3 0

For number nine you divide 7 into 31 and for the second option read for the AWNSER in the comments

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Answer correctly and fast to get brainliest! Tony bought a sweatshirt with an original price of $48, and he then used a coupon f

storchak [24]

Answer: If it's something like who got the better deal then Tony did.

Step-by-step explanation: The reason I say that is the fact that the 20% off made the sweatshirt $38.40 cause $9.60 was taken off!

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2 years ago

kherson [118]

The answer is j.
y = |x - 1|

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2 years ago

On a map the Browns are using 2

Alona [7]

Answer: 337.5 km

Step-by-step explanation:

Use proportion:

2:75=9:x

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X=337.5

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3 years ago

What is the x coordinate of the intersection of y=4x-10 and y=(x-2) to the power of 2 +2

aleksley [76]

Answer:

Step-by-step explanation:

Equating the y-values gives an equation in x.

4x -10 = (x -2)^2 +2

0 = x^2 -4x +4 +2 -4x +10 . . . . . . . . eliminate parentheses, subtract 4x-10

x^2 -8x +16 = 0

(x -4)^2 = 0

x = 4

The x-coordinate of the one point of intersection is x = 4.

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3 years ago

Which equation results from isolating a radical term and squaring both sides of the equation for the equation

astraxan [27]

Answer:

$c - 2 = 25 + 10 \sqrt c + c$

Step-by-step explanation:

Given

$\sqrt{c-2} - \sqrt c = 5$

Required

Isolate radical, then square both sides

We have:

$\sqrt{c-2} - \sqrt c = 5$

Isolate radical

$\sqrt{c - 2} = 5 + \sqrt c$

Square both sides

$(\sqrt{c - 2})^2 = (5 + \sqrt c)^2$

$c - 2 = 25 + 2 * 5 * \sqrt c + c$

$c - 2 = 25 + 10 \sqrt c + c$

8 0

2 years ago