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vichka [17]
2 years ago
13

The length of the tunnel is 460 miles. If 1 inch represents 60 miles, what is the length of the scale drawing of the tunnel? Rou

nd to the nearest hundredths. Be sure to include units.
Mathematics
1 answer:
Natasha_Volkova [10]2 years ago
4 0

Answer:

7.66 inches

Step-by-step explanation:

In order to find the answer, you need to first find the ratio of miles to inches. You would do this by doing 460/60. In result you would have 7.66.

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What is the solution to the inequality 1/4(3x-6) >2(7-x +1
Vladimir79 [104]

Answer:

x>70/11

Step-by-step explanation:

5 0
3 years ago
Fifteen years ago 57% of American families had money invested in the stock market. It is believed that this percentage has dropp
statuscvo [17]

Answer:

z(critic) = -2.33

Step-by-step explanation:

In this case this is a population proportion test because the observations are simple random sampled and there is a fixed number of trials with only two possible options. Also, n is big enough.

Since this is a population test, the test statistic is z.

Also, this is a one tailed tast because the claim is that the population proportion is less than 0.57.

In this case, for a 0.01 significance level, z(critic) = -2.33

3 0
3 years ago
Solve the system of equations -5y+4x= 49 7y+2x= -23 Find X and Y<br> Will mark Brainlest
grigory [225]

<em>Answer:</em>

<em>y = - 5 ; x = 6</em>

<em>Step-by-step explanation:</em>

<em>-5y+4x= 49</em>

<em>7y+2x= -23 | × - 2</em>

<em />

<em>-5y+4x= 49</em>

<em>-14y - 4x = 46</em>

<em>___________ +</em>

<em>- 5y - 14y + 4x - 4x = 49 + 46</em>

<em>- 19y = 95 | × - 1</em>

<em>19y = - 95</em>

<em>y = - 95 : 19</em>

<em>y = - 5</em>

<em />

<em>- 5(-5) + 4x = 49</em>

<em>25 + 4x = 49</em>

<em>4x = 49 - 25</em>

<em>4x = 24</em>

<em>x = 24 : 4</em>

<em>x = 6</em>

8 0
3 years ago
Share £200 between Alice and Brian in the ratio 3 : 5<br>​
Pepsi [2]

Answer:

75:125=3:5

Step-by-step explanation:

1. Add the total number of parts

3+5=8

2. Find out how much one part is

200/8=25

3. Multiply each ratio by 25

3*25=75

5*25=125

4. Check they add up to 200

75+125=200

8 0
3 years ago
Read 2 more answers
The length of a picture frame is 8 inches more than the width. For what
leva [86]

Answer:

For, "x" greater than 34, the perimeter of the picture frame greater than 152 inches

Solution:

Let "x" be the width of the frame

Given that, The length of a picture frame is 8 inches more than the width

Therefore,

Length = width + 8

Length = x + 8

The perimeter of rectangle is given by formula:

Perimeter = 2(length + width)

Substituting the values we get,

Perimeter = 2(x + 8 + x)

Perimeter = 2(2x + 8)

Perimeter = 4x + 16

The perimeter of the picture frame greater than 152 inches

Perimeter > 152

Therefore, for, "x" greater than 34, the perimeter of the picture frame greater than 152 inches

Step-by-step explanation:

search it up

7 0
3 years ago
Read 2 more answers
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