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Oliga [24]
2 years ago
8

Question on the photo pls help

Mathematics
1 answer:
tatyana61 [14]2 years ago
7 0
2 time 5 + 2x + 2 + 2x + 4 + 2x - 3
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3 years ago
Please answer fast, will give brainliest!
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Answer:

  the third one

Step-by-step explanation:

x^2 is always non-negative, so -3x^2 will always be non-positive. You can eliminate any tables with positive values for y.

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Y + 0.5xy = x + 2; x = 1<br> How do you solve for y
vfiekz [6]

Step-by-step explanation:

replace the value of x with 1

y + 0.5 × 1 × y = 1 + 2

do the maths

y + 0.5y = 3

here the value of y is equal to 1. same goes for x, if we have no given value for them.

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3 years ago
Can someone step by step explain the answer to me please and thank u
True [87]

First

angle in front of c is 30°, so hypotenuse is equal to 2c

it's right triangle, so let's use Pythagorean theorem\

(2c)^2=c^2+4^2\\4c^2=c^2+16\\3c^2=16\\\\c^2=\dfrac{16}{3} \\\\c=\dfrac{4}{\sqrt{3} } =\dfrac{4\sqrt{3} }{3 }

Second

b - the base of the triangle, angles at the base are equal ⇒ cathets are equal

it's right triangle, so let's use Pythagorean theorem

b^2=7^2+7^2\\b^2=49+49\\b=\sqrt{2\times49} =7\sqrt{2}

3 0
2 years ago
Convert each fraction to a decimal. Classify the decimal as terminating, non-terminating, repeating, or nonrepeating. If the dec
mixas84 [53]

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0.375

Step-by-step explanation:

I just divided 3 and 8

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