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pashok25 [27]
3 years ago
15

The distance between home and school is 4.5 miles. On a map it shows the distance to be 9 cm. What is the scale?

Mathematics
1 answer:
Zina [86]3 years ago
5 0

Answer:

1 mile : 2 cm

Step-by-step explanation:

the ratio is 4.5 miles : 9 cm.

this can be simplified to 1:2.

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garri49 [273]

Answer:

a. 84 < n + (n + 2) + (n + 4) < 96

b. 26 < n < 30

step-by-step explanation:

using 'n' to represent the smallest even number, the next even number would be 'n + 2' and the next even number would be 'n + 4'. so, the expression to represent three consecutive even numbers is: n + (n + 2) + (n + 4).

since the sum of the these numbers needs to be between 84 and 96, we can set up the following inequality:

84 < n + (n + 2) + (n + 4) < 96

in order to solve for 'n', we must first combine like terms:

84 < 3n + 6 < 96

subtract 6 from all sides: 84 - 6 < 3n + 6 - 6 < 96 - 6 or 78 < 3n < 90

divide 3 by all sides: 78/3 < 3n/3 < 90/3 or 26 < n < 30.

7 0
3 years ago
Find the missing quantity in the double number line.
leonid [27]

Answer: 7

Step-by-step explanation:

just use a comparison

3/12 = x/28

1/4 = x/28

x = 7

8 0
2 years ago
Read 2 more answers
How much do 10 pieces of candy cost if 1000 pieces cost ​$90<br> ​?<br> 10 pieces of candy cost
Masteriza [31]
<h3>♫ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ♫</h3>

➷ Find the cost per candy:

90/1000 = 0.09

Multiply this by the number of candy pieces you need:

0.09 x 10 = 0.9

They would cost $0.90

<h3><u>✽</u></h3>

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8 0
3 years ago
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Solve the equation using inverse operations. Check your solutions. In your final answer, include all of your work.
REY [17]

Answer:

x=\sqrt{10}

Step-by-step explanation:

The given equation is :

5-2x^2=-15

We need to solve it using inverse operations.

Subtract 5 from both sides of the equation.

5-2x^2-5=-15-5\\\\-2x^2=-20\\\\2x^2=20\\\\x^2=10\\\\x=\sqrt{10}

So, the solution of the given equation is x=\sqrt{10}.

4 0
3 years ago
If there are:
ruslelena [56]

Answer:

0.06

Step-by-step explanation:

Total number of marbles:

6 + 10 + 5 + 1 = 22 marbles

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Probability of picking a green marble:

green marbles / total marbles

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Now, multiply the probabilities:

6/22 • 5/22 = 15/242 = 0.06

5 0
2 years ago
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