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3 years ago

15

HELP PLEASE ILL GIVE BRAINLIEST

2 answers:

VMariaS [17]3 years ago

5 0

The correct answer is 21

marshall27 [118]3 years ago

4 0

Answer:

1 is wrong

Step-by-step explanation:

13*2=26

13*20=260

not 143

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Find the surface area of the right triangular prism (above) using its net (below).

a_sh-v [17]

I think the answer is 96 units squared

3 0

2 years ago

Read 2 more answers

dirk sold 7 more than 2 times as many gym memberships this month than last month. the month he sold 43 memberships. how many mem

jenyasd209 [6]

Answer:

Step-by-step explanation:

x = last month

y = this month

y = 2x + 7

y = 43

43 = 2x + 7

43 - 7 = 2x

36 = 2x

36/2 = x

18 = x <== he sold 18 gym memberships last month

8 0

3 years ago

const2013 [10]

Answer:

No solutions

Step-by-step explanation:

Solve for x the system of two inequalities:

$\left\{\begin{array}{l}-9x+5$

First, solve each inequality separately:

1.

$-9x+5$

2.

$13x+25$

Now, we get

$x>-\dfrac{4}{3}$

and

$x$

There are no common values for x, for which both inequalities hold, so the system of two inequalities has no solutions.

4 0

3 years ago

Solve 2x + 5 = 12 please help

kherson [118]

Answer:

first method

subtract 5 from both side

2x + 5 -5 = 12 - 5

:. 2x = 7

:. X= 2

7

divide 2 from both side

X= 2x 7

2 2

:. X= 3.5

second method

2x = 12 - 5

2x = 7

X= 2 ÷ 7

:. X= 3.5

3 0

3 years ago

Simplify (3x2 – 4x – 1) + (8x2 – x + 6)

abruzzese [7]

Answer:

$11x^{2} -5x+5$

Step-by-step explanation:

$3x^{2}-4x-1+8x^{2} -x+6$

$3x^{2}+8x^{2}-4x-x-1+6$

Combine like terms

$11x^{2}-5x +5$

6 0

3 years ago