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andrezito [222]
3 years ago
10

What is the solution to the equation Negative 3 (h + 5) + 2 = 4 (h + 6) minus 9?

Mathematics
1 answer:
ANTONII [103]3 years ago
5 0

Answer:

h=-4

Step-by-step explanation:

Use the Distributive law:

1. -3(h+5) gives us -3h-15 then you add your two(2).

the whole of your left side of the equation will give you -3h-13

2. 4(h+6) gives us 4h+24 then you subtract nine(9).

the whole of the right side of the equation will give you 4h+15

3. equate the two like this:

-3h-13=4h+15

4. group like terms of each side:

-13-15=4h+3h

5. Add and Subt<u>r</u>act

-28=7h

6. Decide both sides by 7 to make h the subject of the formula

7. Congratulations you got your answer as h=-4

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Im not really good at seventh grade math I need some help!!​
Darina [25.2K]

Answers:

1/2a= 8

Multiply by 2/1 on both sides

1/2(2/1)a= 8(2/1)

Cross out 1/2 and 2/1 equals to a

a= 16

4n= 32

Divide by 4 for both sides

4n/4= 32/4

n= 8

3x= 36

Divide by 3 for both sides

3x/3= 36/3

x= 12

m/3= 2

Multiply by 3/1 for both sides

3/1*m/3= 2(3/1)

Cross out 3/1 and 3 becomes m

m= 6

x-8= 12

Move -8 to the other side. Sign changes from -8 to +8

x-8+8= 12+8

x= 20

48= 3k

Divide by 3 for both sides

48/3= 3k/3

k= 16

13/b= 0

Multiply by 1/13 for both sides.

13/b( 1/13)= 0(1/13)

b= 0

39= 13y

divide by 13 for both sides

39/13= 13y/13

y= 3

5 0
3 years ago
A cylinder has a radius of 7 cm and a height of 12 cm. Calculate the total surface area. (Take π = 22/7
ziro4ka [17]

Total surface area of cylinder :

[(22/7)(7)²] × 2 ( area for 2 circles )

+

[ 2(22/7)(7) ] ×12 ( circumference of circle × height )

=

836 cm²

i hope my solution helps :))

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3 years ago
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djyliett [7]

Answer:

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I hope this helps :)

8 0
3 years ago
Hilda adds 5 to a number, then multiplies the sum by -2. The result is 6. Write an equation to find the number, x. What is the n
WITCHER [35]

Answer: -8

Step-by-step explanation:

If we add 5 to -8, that will be -3. Then if we multiply -3 with -2, it equals 6 because when two negatives multiply with one another the answer will be positive.

So in conclusion, the number is -8.

Hope this helps!

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3 years ago
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kherson [118]

Answer:

He was an Anti-federalist

Step-by-step explanation:

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