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andrew11 [14]
3 years ago
7

The computer game Peter wants to buy will cost at least $50 and not more than $70. He earns $3 an hour running errands for his g

randmother. Which inequality shows the number of hours, n, he will have to work to pay for the game?
A. 3n ≥ 20
B. n/3 ≥ 20
C. 50 ≤ 3n ≤ 70
D. 50 ≤ n/3 ≤ 70
Mathematics
2 answers:
taurus [48]3 years ago
7 0
The answer is C, where 50 is less than or equal to the amount of money he earned per hour which will have to be less than 70
Lunna [17]3 years ago
6 0

Answer:

The answer to your question is C

Just try it out

- have a nice day, be safe & healthy -

- peace out -

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YA
irakobra [83]

Answer:

a) P(0, <u>2</u>), Q(<u>4</u>, 0)

b) Please find attached the plot of the points P and Q on a chart made with MS Excel

c) Please find the graph of the line that represent the function 4·x + 2·y = 8 for values of x from -2 to 3 made with the Insert Chart feature on MS Excel

Step-by-step explanation:

The given equation for the line is 4·x + 2·y = 8

a) The coordinates of P = P(0, _)

Therefore, the point 'P', which is the point where the variable y = 0, is the point the (straight line) graph intercepts the x-axis (the x-intercept)

When y = 0 from the given equation, we get;

4·x + 2·y = 8

At the point y = 0;

4·x + 2 × 0 = 8

x = 8/4 = 2

x = 2

∴ The coordinates of P = P(0, _) = P(0, <u>2</u>)

Similarly, when x = 0, we get;

4·x + 2·y = 8

At the point x = 0;

4 × 0 + 2·y = 8

y = 8/2 = 4

y = 4

∴ The coordinates of Q = Q(_, 0) = Q(<u>4</u>, 0)

b) Rewriting the given equation in terms of 'y' gives;

y = (8 - 4·x)/2 = 4 - 2·x

y = 4 - 2·x

With the help of MS Excel, the points P and Q are plotted in the attached graph

c) The line of the graph of the function 4·x + 2·y = 8 for values of x from -2 to 3 can be added by Changing the Chart Type to 'Scatter with Smooth Lines and Markers' within MS Excel as presented in the included graph of the line.

3 0
2 years ago
Why is 1/2 of 2 equals one whole
algol [13]
Hey There :)

This is because one is half of two. You could also multiply 2 * 0.5= 1, 0.5 represents \frac{1}{2} and two is the whole number. This is how \frac{1}{2} of two equals one.

Have A Brainly Day :)
8 0
3 years ago
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Rasek [7]
The answer is 94800
8 0
2 years ago
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Leeza is making labels in the shape of parallelograms Each label has an area of 18 square centimeters and a base of 6 centimeter
stich3 [128]

I think it's 3

It should be 3 because if you have a base of 6 then your height must be 3 to get 18.

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3 years ago
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SOMEONE PLEASE HELP I'LL GIVE YOU 50 POINTS :)
GREYUIT [131]
Choice 1
Choice 1 and 3 shows parallel, choice 2 and 4 shows perpendicular. So cross out choices 2 and 4. We’re left with choices 1 and 3. I would go with choice 1 since choice 3 shows RAY A is parallel to RAY B, which isn’t true, they’re not parallel.
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