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3 years ago

Ian wants to paint a wall measuring 3 metres by 7 metres.

Mathematics

1 answer:

anygoal [31]3 years ago

4 0

Answer: 5.2

Step-by-step explanation:

3*7 = 21

21/5 = 4.2

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Kevin and Randy Muise have a jar containing 70 coins, all of which are either quarters or nickels. The total value of the coins

Nikitich [7]

Answer:

50 nickels, 20 quarters.

Step-by-step explanation:

System of equations (q = # of quarters, n = # of nickels):

q + n = 70, 0.25q + 0.05n = 7.50

the first equation can be changed to q = 70 - n, so we are able to substitute q with 70 - n.

So, it will look like 0.25*70 - 0.25n + 0.05n = 7.50. This can be simplified to 0.2n = 10, which means that n = 50.

Knowing that we can solve q + 50 = 70, which means that q = 20.

6 0

3 years ago

NEED HELP!!! please:)

Dahasolnce [82]

No, Jonah is not correct. The answer is shown in the picture.

8 0

3 years ago

Identify the slope and y-intercept of a graph of the equation y=1/2x-5

ehidna [41]

Answer:

Slope: 1/2

y-intercept: -5

(✿◠‿◠)

7 0

3 years ago

A window is in the shape of a kite. caleb wants to apply a layer of plastic film on the top half of the window so that the glass

vazorg [7]

The dimensions of the layer of film he will apply to the window is 18 inches in width and 7 inches in height.

<h3>What are the dimensions of the layer of film?</h3>

A kite is a four sided shape that can be divided into two pairs of equal-length sides that are adjacent to each other.

The dimensions of the upper part:

Width = 18 inches
Length = 14 inches / 2 = 7 inches

Please find attached the complete question. To learn more about kites, please check: brainly.com/question/2918354

#SPJ4

3 0

2 years ago

Please help no links!

slavikrds [6]

Answer:

10x5 1/2= 55 x 4= 220 so the answer is 220in3

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers