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Triss [41]
3 years ago
7

Help with these problems please, DUE T O D A Y !!!! I’ll try to make you guys brainlist who ever answers first

Mathematics
1 answer:
Makovka662 [10]3 years ago
4 0

Answer:

19) n = -14

20) x = 4

21) b= -14

22) x = 2

23) x = -1

24) x = -9

Step-by-step explanation:

19) Use the distributive property to get rid of the parentheses. You will get:    20-4n = 76. So, n = -14.

20) Multiply both sides of the equation by 2 to get: -8 + x = -4. So, x = 4

21) Add 3 to both sides to get: \frac{b}{14} = -1. So, b = -14

22) Use the distributive property to get rid of the parentheses. You will get: -40 - 5x = -50. Then, add 40 to both sides to get: -5x = -10. So, x = 2.

23) Use the distributive property to get rid of the parentheses. You will get: -72 = -64 + 8x. Then, add 64 to both sides to get: -8 = 8x. So, x = -1

24) Add 2 to both sides to get: \frac{x}{3} = -3. So, x = -9

Hope this helps :)

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Answer and explain deeply thank you so much! I’ll mark brainliest
Elis [28]

Let me know if this doesn’t make sense

8 0
3 years ago
The shape has an area of 60 square inches. Find the value of x.
Fantom [35]

Answer:

x = 5 In.

Step-by-step explanation:

The area of a parellelogram is usually basically the same as that of a rectangle or square. So the equation for the area of this parellogram is 60/12.

That would give you 5 which makes x equal to 5 inches.

6 0
3 years ago
Read 2 more answers
3x + 5y = 7<br> How to solve it
Lubov Fominskaja [6]

Answer:

x=1 and y=4/5

Step-by-step explanation:

<u>Given system of equations</u>

3x+5y=7

5x+10y=13

<u />

<u>Multiply first equation by 2</u>

2(3x+5y)=2(7)

6x+10y=14

<u>Eliminate y-variable to get "x"</u>

 6x+10y=14

<u>- 5x+10y=13</u>

         x = 1

<u>Substitute x=1 into either equation and find "y"</u>

3x+5y=7

3(1)+5y=7

3+5y=7

5y=4

y=4/5

Therefore, x=1 and y=4/5

6 0
2 years ago
First rewrite 8/25 and 7/20 so that they have a common denominator
Pie

Answer:

  • 8/25 = 32/100
  • 7/20 = 35/100

Step-by-step explanation:

25 and 20 have a least common multiple of 100, so that is your least common denominator.

  8/25 = (8·4)/(25·4) = 32/100

  7/20 = (7·5)/(20·5) = 35/100

6 0
3 years ago
Z varies directly with q. when z=2,q=1 . <br><br> find a formula connecting z and q<br><br> z=???
Lostsunrise [7]

Answer:

z  =  \frac{q}{2}

Step-by-step explanation:

z \infty q

z = kq

z = 2 \: and \: q = 1

2 = k1

k =  \frac{2}{1}

z =  \frac{1}{2} q

z =  \frac{q}{2}

8 0
3 years ago
Read 2 more answers
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