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Sever21 [200]
3 years ago
12

Please help!! I’m failing math and I have no idea what the answer is and if I don’t do my hw and keep failing I might have to re

peat the grade! please let me know if you know the answer <3. I provided a photo! but I’ll but it here too
question⬇️⬇️

which expression is equivalent to 5(4x + 3) - 3x

A) 18x + 15

B) 18x + 3

C) 7x + 8

D) 2x + 8

Mathematics
1 answer:
kirill [66]3 years ago
4 0

Answer:

A: 18x+15

Step-by-step explanation:

5(4x+3)-2x

Distribute the 5

20x +15 - 2x

Combine like terms

20x-2x +15

18x +15

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The length of the diagonal of a rectangle is √181 inches. ​ ​Which statement describes the length of the diagonal?
lakkis [162]

Answer:

The correct option is (B).

Step-by-step explanation:

The length of the diagonal of a rectangle is \sqrt{181} inches.

Compute the value of \sqrt{181} inches as follows:

The number 181 is not a square of a whole number.

So, the square root of 181 must lie between two whole numbers.

Consider the following squares:

12^{2}=144

13^{2}=169

14^{2}=196

It is quite clear that the 181 lies between the square of 13 and 14.

So, it can be said that the square root of 181 is between the square of 13 and 14.

Thus, the length of the diagonal of a rectangle is between 13 and 14 inches.

The correct option is (B).

4 0
3 years ago
3x^2 - x - 10
kramer
One way is to factor it
trial and error, with experience
(3x+5)(x-2)

answer is C
7 0
3 years ago
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Find the solution for this system of equations.
Alexxx [7]
<span>A) 12x + 15y = 34
</span><span>
</span><span>B) -6x + 5y = 3  Multiplying B) by -3
</span>
B) 18x -15y = -9  Then adding this to A) equals
30x = 25
x = <span> <span> <span> 0.8333333333...
</span></span></span>
<span>A) 12x + 15y = 34
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12 * <span> <span> <span> 0.8333333333... + 15y = 34
</span></span></span><span><span><span>
</span></span></span><span><span><span /></span></span>10 + 15y = 34
15y = 24
y = 1.6

<span><span> </span> </span>





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