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Degger [83]
3 years ago
8

Can someone please help me with this question :)

Mathematics
1 answer:
kirill115 [55]3 years ago
8 0
DoNt mind this tehee
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-2x + 8 = 18 please help. What does x equal
kakasveta [241]

Answer:

x = -5

Step-by-step explanation:

Step 1: Write equation

-2x + 8 = 18

Step 2: Solve for <em>x</em>

  1. Subtract 8 on both sides: -2x = 10
  2. Divide both sides by -2: x = -5

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

-2(-5) + 8 = 18

10 + 8 = 18

18 = 18

6 0
3 years ago
Read 2 more answers
Which expressions are equivalent to 4¹²
frez [133]

Answer:

4x12= 48. So what option gives you 48?

Step-by-step explanation:

Give the options

5 0
3 years ago
Find the area of a rhombus.<br> 4<br> 30°
Vedmedyk [2.9K]

Answer:

13.86

Step-by-step explanation:

you should see 2 triangles with angle 60 bounded by two equal sides of 4

=2(\frac{1}{2} (4)(4)sin 60)\\=13.86

6 0
2 years ago
Determine whether the set can be sides of a right triangle. Use the Pythagorean theorem: 14, 28, 50
Keith_Richards [23]

Answer:

No, this isn't a right triangle.

Step-by-step explanation:

First of all, the hypotenuse is the longest side (in this case that is 50), so that's what we're working for.

The formula for the Pythagorean theorem is :

a^{2} +b^{2} =c^{2}

14 squared equals 196, and 28 squared equals 784. Add these and you get 980. The square root of 980 is not 50, so we know that this is not a right tryangle.

3 0
2 years ago
6) 2 (12 + 2x)<br>7) (-6x + 8) 4<br>8) (3 - 6x)(-7)<br>9) (- 12) (2x +1)<br>10) (8 - 2x) 9
Serhud [2]

Answer:

6) 24+4x

7) -24x+32

8) -21+42x

9)-24x-12

10) 72- 18x

Step-by-step explanation:

for each problem, you need to distribute the single variable to the parenthesis  for the final answer. For example, 3 (4x-25) > 3 x 4x = 12x > 3x-25 = -75 now you put both answers together making it 12x-75

4 0
4 years ago
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