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alexandr402 [8]
3 years ago
11

The product of a number and 18 is -378. what does that mean or what's the equation

Mathematics
1 answer:
Paha777 [63]3 years ago
8 0

Answer:

Hope this helps you to solve it

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Solve equation a+6a-9=30
joja [24]
To solve any equation, we have to get the variables and the constants (numbers) on opposite sides of the equals sign.  

First, we have to combine the like terms on the left side of the equation, resulting in

7a - 9 = 30

Then, because we want the constants on the right side of the equation, we have to +9 to cancel out the -9 on the left side.

7a=39

Next, the a has a coefficient of 7, which it is multiplied by.  To undo multiplication, you have to divide.  Therefore, we should divide both sides by 7.

a= 5 4/7 or 5.57142857143

In improper fraction form, a = 39/7, as this fraction cannot be simplified any farther.
3 0
3 years ago
Determine whether quantities vary directly or inversely and find the constant of variation.
Misha Larkins [42]
You need to find out how many $ you gonna earn in 1 hours
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5 0
3 years ago
50 is 40% of what number??????
kvv77 [185]
So a hack is we know that 20% times 5 =100% and 40 divided by 2=20 so

50=40%
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20 times 5=100 so
multiply both sides by 5
125=100%
8 0
3 years ago
Read 2 more answers
2. Find the lateral area and surface area of the<br> prism.<br> 4 cm<br> 5 cm<br> 4 cm<br> 3 cm
Vaselesa [24]

Answer:

Lateral = 48 cm squared and Surface area = 60 cm squared

Step-by-step explanation:

Lateral surface area  = 4 x 4 + 5x4( Slope) +  4 x 3 (Cross section x2) = 48

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4 0
3 years ago
J is the Midpoint of Segment MN. If MJ=23, Find MN.​
Helga [31]

Answer:

46?

Step-by-step explanation:

7 0
3 years ago
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