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lisov135 [29]
4 years ago
7

Help please?

Mathematics
1 answer:
alekssr [168]4 years ago
3 0
I believe rhe value of x is 5
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Given: -3(2x + 7) = -29 – 4x; Prove: x = 4
sergey [27]

Answer:

See steps below

Step-by-step explanation:

-3(2x+7)=-29-4x

Use the distributive property

-6x-21=-29-4x

Add 21 to each side

-6x=-8-4x

Add 4x to both sides

-2x=-8

Divide by -2

x=4

8 0
3 years ago
Maggie answered 20 out of 25 questions correctly on a math test. What percent of the questions did she answer correctly?
andrew11 [14]

Answer:

80%

Step-by-step explanation:

20/25 = 80%

7 0
3 years ago
Read 2 more answers
Helpppppppp????? it's please!!!!
valentina_108 [34]
Well you're correct in saying that it's because it's a regular hexagon and so if one triangle is an equilateral, then all of them are. If you want a mathematical way to prove it, then if the point around N is 360° because it's around a point, then you can divide 360 by 6 (6 triangles) to get 60°. That is the angle of ENX, and therefore it is an equilateral triangle because all angles in an equilateral triangle are 60°. I hope this helps!
5 0
3 years ago
(b²) ____ = b⁻⁶<br> find the missing exponent
allsm [11]
(b^2)^{-3}=b^{2*(-3)}=b^{-6}

<span>the missing exponent is -3</span>
6 0
4 years ago
HELP ASAP!! Find the total area of the figure below. Round your answer to the nearest tenth
nika2105 [10]

Answer:

area = 88 mi²

Step-by-step explanation:

all vertical dimensions = 8/2 = 4 mi

area = (4 x 11.9) +(4 x 6.1) + (4 x 4) = 88 mi²

6 0
3 years ago
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