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3 years ago

Evaluate the expression when a=-7 and y=3 3y-a

Mathematics

1 answer:

rodikova [14]3 years ago

6 0

Answer:

3y-a

3.3-7

9-7

Step-by-step explanation:

first we have to do multiply by replacing the value of y and the subtract by using the value of a.

Hope this will be helpful for you

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3 years ago

How do you solve this 2x +5 - 7x = 15

Serga [27]

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2. subtract 5 from each side to create: -5x=10
3. divide both sides by -5
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3 years ago

What is the measure of angle 1

sashaice [31]

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C. 74

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3 years ago

An angelfish was 1 1/2 inches long when it was bought. Now it is 2 1/3 inches long.

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Earlier, The length of the angelfish = $1 \frac{1}{2}$ inches

Now, the length of angelfish = $2 \frac{1}{3}$ inches

We have to determine the grown length of angelfish

= $2 \frac{1}{3}$ - $1 \frac{1}{2}$

= $\frac{7}{3}- \frac{3}{2}$

LCM of '2' and '3' is '6',

= $\frac{14-9}{6}$

= $\frac{5}{6}$ inch

Therefore, the angelfish has grown by $\frac{5}{6}$ inch.

We have to determine the increased length of angelfish in feet.

Since $1 inch = \frac{1}{12}$ foot

So, $\frac{5}{6} inch = \frac{5}{6} \times \frac{1}{12} = \frac{5}{72}$

= 0.069 foot.

7 0

3 years ago

Read 2 more answers

a fish tank is shaped like a rectangular prism. it has a length of 5 ft., a width of 2 ft., and a height of 3 ft. what is the vo

coldgirl [10]

Answer:

V (volume) = 30

Step-by-step explanation:

V=whl=2·3·5=30

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3 years ago