4 years ago

Help please 10 points

Mathematics

1 answer:

-BARSIC- [3]4 years ago

6 0

the answer is A

im doing this too ;P

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Find the value of x. 5x+18+2x=5

Lesechka [4]

Answer: x=-1.9

Step-by-step explanation:

$5x+2x=7x$

$7x+18=5$

-18 on both sides

$7x=-13$

divide 7 on both sides

$x=-1.9$

3 0

3 years ago

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The lengths of three

True [87]

Answer:

90 cm, 180 cm, 240 cm

Step-by-step explanation:

Let the lengths of sides of the triangle be 3x, 6x and 8x

$\therefore \: 3x + 6x + 8x = 5.1 \: m \\ \therefore \: 17x = 510 \: cm \\ \therefore \: x = \frac{510}{17} \\ \therefore \:x = 30 \: cm \\ \implies \\ 3x = 3 \times 30 = 90 \: cm \\ 6x = 6 \times 30 = 180 \: cm \\ 8x = 8 \times 30 = 240 \: cm$

Hence, lengths of the sides of the triangle are 90 cm, 180 cm and 240 cm.

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3 years ago

Which ordered pair is a solution of the equation y-3=5(x-2)

notsponge [240]

Answer:

Three of the pair order I found is (0, -7), (1, -2), (2, 3)

Choose values for <em>x </em>values and substitute in to find the corresponding <em>y </em>values.

8 0

3 years ago

Question attached! Please help!

Nonamiya [84]

The answer could be a bc there are no similarities between each

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4 years ago

what is the slope of the line that passes through the points -10, 8 and -15 , -7 write your answer in simplest form 20 points

murzikaleks [220]

Answer: -3 fraction form

-5

Step-by-step explanation:

3 0

3 years ago