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11Alexandr11 [23.1K]
3 years ago
7

What is the answer to this

Mathematics
2 answers:
Korolek [52]3 years ago
8 0
The number that belongs in that green box is -1 because you are subtracting 1 from both sides in order to eventually isolate x.
Then you’ll have
-3x = -36 [divide by -3 to isolate x]
x = -36/-3
x = 12
garik1379 [7]3 years ago
5 0
When you subtract from a negative its more like adding - but keeping the negative sign.

so 35+1 
36

keep the negative!
-36 :)
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yawa3891 [41]

Answer:

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Step-by-step explanation:

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2 years ago
What is the solution of the equation x2 + 8x + 5 = 0?
Setler79 [48]

Answer:

x = -0.683 (3dp)

x = -7.317 (3dp)

Step-by-step explanation:

<u>Step 1: Apply the quadratic formula</u>

(-b±(\sqrt{b^{2}-4ac})) / 2a

a = 1 <em>(x²)</em>

b = 8 <em>(8x)</em>

c = 5 <em>(5)</em>

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<u>Step 2: Simplify</u>

(-8±(\sqrt{44})) / 2

<u>Step 3: Solve</u>

You need to replace the ± with first a + and then a -.

(-8+(\sqrt{44})) / 2 = -0.683 (3dp) = x

(-8-(\sqrt{44})) / 2 = -7.317 (3dp) = x

Hope this helps!

5 0
3 years ago
Find the length of side x to the nearest tenth.<br> 30°<br> 12<br> x<br> х<br> 60°
k0ka [10]

<u><em>Answer</em></u>:

13.9

<em><u>Step-by-step explanation:</u></em>

<em>Use the Pythagorean Theorem </em>

x=13.85 round to the nearest tenth 13.9

<em />

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2 years ago
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ivolga24 [154]

Answer:

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hope this helps

have a good day :)

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
WILL MARK YOU BRAINLIEST
Naddik [55]
I think x = 78
because 21/14 = 1.5
so x = 1.5*52
x = 78
5 0
3 years ago
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