3 years ago

What expression is equivelent to 8-5(3x-7)

Mathematics

1 answer:

steposvetlana [31]3 years ago

8 0

8 - 5(3x - 7)

8 - (5.3x - 5.7)

8 - (15x - 35)

8 - 15x + 35

43 - 15x

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What’s the answer??

astra-53 [7]

Use parentheses for M and N
$(5x {}^{2} + 7x - 4 )- ( - 3 {x}^{2} - 4x + 5)$
一一一一一
remove parentheses
$5 {x}^{2} + 7x - 4 + 3 {x}^{2} + 4x - 5$
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add like terms
$8 {x}^{2} + 11x - 9$

7 0

3 years ago

Find a combination of 3 numbers that equal 34 and write the equation

klemol [59]

We need to find 3 numbers that sum up to 34.
There are infinite number of possibilities.

From these combinations:
4+20+10 = 34
3+22+9 = 34
15+15+4 = 34
15+10+9 = 34
30+4+0 = 34
10+10+14 = 34

6 0

3 years ago

Read 2 more answers

Area of trapezoids <br>find the area

Zinaida [17]

Answer:

Area of the trapezoid = $6cm^2$