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3 years ago

Solve for x: 3x + 2x + 7 = 32

Mathematics

2 answers:

Leni [432]3 years ago

6 0

Answer:

The answer is x = 5

Step-by-step explanation:

I added similar elements, then I subtracted 7 from both sides, next I divided by 5 both sides, and lastly I got x = 5 as my answer.

yKpoI14uk [10]3 years ago

4 0

3x + 2x = 5x
5x + 7 = 32
5x = 32 - 7
5x = 25
5:5 ~ 25:5 = x = 5
The answer is x = 5
I hope this helps!

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**HELP!**

mr_godi [17]

If two figures or lengths are similar, then the ratios of the corresponding lengths are equal.
Thus, 8/32 =5/x
8x = 160
x = 20 feet
Therefore, the length of the flag pole was 20 feet long

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3 years ago

Answers now please!

gulaghasi [49]

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3 years ago

Identify the zeros of the function f(x) = 4x2 − 8x − 1 using the Quadratic Formula. HELP ASAP!!

forsale [732]

$1+\dfrac{\sqrt{5}}{2},1-\dfrac{\sqrt{5}}{2}$

Step-by-step explanation:

The given equation is $4x^{2}-8x-1$

Let $a$ be the coefficient of $x^{2}$

Let $b$ be the coefficient of $x$

Let $c$ be the constant.

Then the roots α,β for the equation $ax^{2}+bx+c$ are $\dfrac{-b+\sqrt{b^{2}-4ac} }{2a},\dfrac{-b-\sqrt{b^{2}-4ac} }{2a}$

So,α= $\frac{-b+\sqrt{b^{2}-4ac} }{2a}=\frac{8+\sqrt{64+16} }{8}=\frac{8+4\sqrt{5}}{8}=1+\frac{\sqrt{5}}{2}$

β= $\frac{-b-\sqrt{b^{2}-4ac} }{2a}=\frac{8-\sqrt{64+16} }{8}=\frac{8-4\sqrt{5}}{8}=1-\frac{\sqrt{5}}{2}$ .

So the roots are $1+\frac{\sqrt{5}}{2},1+\frac{\sqrt{5}}{2}$

5 0

3 years ago

CORRECT ANSWER GETS BRAINLIEST

borishaifa [10]

6 (-9)-3/2=14
-108/2-3/2=14
-111/2 = 14
false

12+2=14
14=14

B

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4 years ago

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Vesna [10]

Answer:

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3 years ago

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