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kodGreya [7K]
4 years ago
13

I don't know how to find the missing number can someone help

Mathematics
2 answers:
kotegsom [21]4 years ago
5 0
-4+-5=-9 because it's like adding but it has the negative sign
egoroff_w [7]4 years ago
3 0
Answer:
Q. -4 = _ -9
A.  -4 = 5-9
     -4 = -4
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Y and x have a proportional relationship, and y=12 when x=8. What is the value of x when y=18?
Bond [772]

Answer:

x = 12

Step-by-step explanation:

Proportional relationship means that \frac{y}{x} = k(a constant)

Here, k = 12/8 = 3/2

So, the equation is \frac{y}{x} = 3/2.

Plug in y = 18, and we get 18/x = 3/2.

18 = 3/2x

x = 12

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4 years ago
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luda_lava [24]

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B. 38°

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6 0
3 years ago
Abdul's gas tank is 1/5 full. After he buys 7 gallons of gas, it is 7/10 full. How many gallons can Abdul's tank hold?
Korolek [52]

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Step-by-step explanation:

Let's call the total gallons Abdul's tank can hold <em>x</em>.

Then, based on the information given in the problem, you can write the following expression:

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Therefore, when you solve for x, you obtain the following result:

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3 years ago
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