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Juli2301 [7.4K]
4 years ago
8

I JUST NEED THE EQUATION

Mathematics
2 answers:
bazaltina [42]4 years ago
8 0
51-9= 42
42/3= 14
your answer would be 14 friends
CHECK:
3*14= 42
Leto [7]4 years ago
8 0
14 friends. Take 51 and subtract 9. what you have left, divide by 3.
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Can someone help me please
Ymorist [56]
Add 5x + 5 and that is the bottom of it and the top stays 1
3 0
3 years ago
Factor the following polynomials by grouping:<br> ax+ay+bx + by −cx−cy
Eddi Din [679]

Answer:

(a + b -c) x (x +y )

Step-by-step explanation:

Firstly, factor out x from the expression

Then, factor out the y from the expression

8 0
3 years ago
Which of the following sets of lengths can Sean use to make a right triangle?
Aleks [24]

Answer:

{8 cm, 15 cm, 17 cm}

Step-by-step explanation:

we know that

The length sides of a right triangle must satisfy the Pythagoras Theorem

so

c^2=a^2+b^2

where

c is the greater side (the hypotenuse)

a and b are the legs (perpendicular sides)

<u><em>Verify each case</em></u>

case 1) we have

{5 cm, 15 cm, 18 cm}

substitute in the formula

18^2=5^2+15^2

324=250 ----> is not true

therefore

Sean cannot make a right triangle with this set of lengths

case 2) we have

{6 cm, 12 cm, 16 cm}

substitute in the formula

16^2=8^2+12^2

256=208 ----> is not true

therefore

Sean cannot make a right triangle with this set of lengths

case 3) we have

{5 cm, 13 cm, 15 cm}

substitute in the formula

15^2=5^2+13^2

225=194 ----> is not true

therefore

Sean cannot make a right triangle with this set of lengths

case 4) we have

{8 cm, 15 cm, 17 cm}

substitute in the formula

17^2=8^2+15^2

289=289 ----> is true

therefore

Sean can make a right triangle with this set of lengths

6 0
3 years ago
TV and YW are parallel lines.
Lemur [1.5K]

Answer: C, WXZ and WXU are adjacent angles.

Step-by-step explanation:

A is incorrect because TUX and VUS are vertical angles.

B is incorrect because YXZ and TUX have no relationship.

C is correct  because WXZ and WXU are supplementary angles, thus adjacent.

D is inccorect because VUX and TUS are vertical angles.

6 0
3 years ago
Emily's Mom sends her into the store with $10, telling her to buy as many apples as possible. If each apple costs 80 cents. how
sattari [20]

Answer:

Emily will receive 40 cents in return

3 0
4 years ago
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