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Alex_Xolod [135]
3 years ago
11

Does the point (5, -1) lie on the line 2y + 3x = 13?​

Mathematics
1 answer:
makkiz [27]3 years ago
4 0

Answer: Yes

Step-by-step explanation:

You can find out by inputting your values

2y + 3x = 13

x = 5

y = - 1

2(- 1) + 3(5) = 13

- 2 + 15 = 13

13 = 13

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One movie charges a $100 membership fee and $10 for each movie. Another club charges no membership fee but movies cost $15 each.
mr Goodwill [35]
100+10x=15x
x=20

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7 0
4 years ago
Cheryl solved a problem: 84 ÷ 0.01 = 8,400.
Alexandra [31]

Answer:

Cheryl is correct.

Step-by-step explanation:

Cheryl solved a problem : 84 ÷ 0.01 = 8,400.

This is absolutely right.

When we divide any whole number with the divisor having decimal, we change the divisor to a whole number before performing the division.

To do this, we multiply both the numbers (divisor and dividend) by the same power of 10, until the divisor is a whole number.

\frac{84\times 10}{0.01\times 10} = \frac{840}{0.1}

to make divisor a whole number we will again multiply both the numbers by 10.

\frac{840\times 10}{0.1\times 10} = \frac{8400}{1} = 8,400

Now answer would be 8400.

Therefore, Cheryl is correct.

7 0
3 years ago
Brett is making a fruit salad. The recipe calls for 1
OlgaM077 [116]
I'm supposing that those would practically be known to be fractions above, as I can see they are not properly placed in order, but, that would be "ok". So, from knowing this above, the main thing that we would do in this case is to understand that we would then have to consider the question, "how many cups of fruit". Therefore, we would then stop from there, we are going to consider the amount of fruit.We would then do the following:

\boxed{ 1\frac{1}{2}+ \frac{3}{4} +  \frac{2}{3} = 2 \frac{11}{12} }

She would then have to use only (2)11/12 of fruit.
6 0
3 years ago
Read 2 more answers
What is the value of<br> V(4)
Sonja [21]

Answer:

4/5(v - 7) = 2...distribute the 4/5 thru the parenthesis

4/5v - 28/5 = 2 ...multiply everything by 5

4v - 28 = 10...add 28 to both sides

4v = 10 + 28

4v = 38

v = 38/4 reduces to 19/2 or 9 1/2 <==

Step-by-step explanation:

6 0
4 years ago
A plane traveled 2565 miles with the wind in 4.5 hours and 2205 miles against the wind in the same amount of time. Find the spee
kherson [118]

Answer:

  • plane: 530 mi/h
  • wind: 40 mi/h

Step-by-step explanation:

Let p and w represent the speeds of the plane and the wind. The relation between time, speed, and distance is ...

  speed = distance/time

  p +w = (2565 mi)/(4.5 h) = 570 mi/h

  p -w = (2205 mi)/(4.5 h) = 490 mi/h

Adding these speeds, we get ...

  (p +w) +(p -w) = (570) +(490) mi/h

  2p = 1060 mi/h

  p = 530 mi/h

Then the speed of the wind is ...

  w = 570 mi/h -p = (570 -530) mi/h = 40 mi/h

The plane's speed is 530 mi/h; the wind speed is 40 mi/h.

7 0
3 years ago
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