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Arturiano [62]
3 years ago
9

What operation does the expression "7y" mean?

Mathematics
1 answer:
Rzqust [24]3 years ago
6 0

Answer:

Multiplication

Step-by-step explanation:

7y means 7 times the value of y. So 7 times y = 7y

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On Tuesday James bought seven CDs. On Wednesday half of all the CDs that he had were destroyed. On Thursday he had 12 left. How
Sauron [17]

Answer:

He have <u>17 CDs</u> on Monday.

Step-by-step explanation:

Given:

On Tuesday James bought seven CDs. On Wednesday half of all the CDs that he had were destroyed. On Thursday he had 12 left.

Now, to find the CDs he have on Monday.

Let the CDs he have on Monday be x.

<em>So, on Tuesday as James bought 7 CDs:</em>

x+7.

<em>Now, on Wednesday half of all the CDs that he had were destroyed:</em>

\frac{x+7}{2}

As, given on Thursday he had left CDs = 12.

According to question:

\frac{x+7}{2} =12

<em>Multiplying both sides by 2 we get:</em>

x+7=24

<em>Subtracting both sides by 7 we get:</em>

x=17.

Therefore, he have 17 CDs on Monday.

7 0
4 years ago
PLEASE HELP ASAP<br> BRAINLIEST<br> HAVE 10 MINUTES
xz_007 [3.2K]
Your answer is 5 because you divide
7 0
3 years ago
On a graph the point is (2,2) is it enough information to plot if yes what's the equation of it if not say no
lisov135 [29]

To plot a point on a graph, you need the x and y coordinates.

In this case, the x-coordinate is 2 and the y-coordinate is 2 thus you can plot

(2,2) on a graph.

To get the equation of a line, you need the slope m of the line, a point and another imaginary point (x,y). So in this question you still need the slope to find the equation.

The equation is : No

Answer

1. The point can be plotted on a graph

2. No, the equation can not be determined because the gradient is not known.

4 0
1 year ago
Mr. Shaffer bought a block of fudge that weighed 8 3/4 pounds. He shared 2.45 pounds with his friends. How much does he have lef
Zinaida [17]

Answer:

6.3 or 6 3/10 pounds

Step-by-step explanation:

First you convert 8 3/4 into a decimal.

8 3/4 = 8.75

You then subtract 8.75 and 2.45.

8.75 - 2.45 = 6.3

6.3 as a fraction is 6 3/10

Therefore, he has 6.3 or 6 3/10 pounds of fudge left.

Hope this helps:)

5 0
3 years ago
A sales associate at a computer electronics store
mote1985 [20]

Answer:

the sales associate has to sell 4 computers to make the same amount of money under both plans

Step-by-step explanation:

y=money

x=computers sold

Plan 1: y=30x+180

Plan 2: y=75x

75x=30x+180

45x=180

x=4

7 0
3 years ago
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