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meriva
2 years ago
6

20 is what percent of 52? Round your answer to the nearest tenth.

Mathematics
2 answers:
Schach [20]2 years ago
7 0
20/52 = b/100
20 x 100/52 x b
2000/ 52b
b = 38.5

Explanation:

b is a variable that stands for the unknown quantity
Write 20/52 as equal to b/100
Next we cross multiply 20 by 100 = 2000 and 52 by b = 52b
2000/52b is equal to 38.46 but roundest to the nearest tenth it is 38.5

bearhunter [10]2 years ago
6 0

Answer:

88.3%

93.6%

98.6%

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My partner and i are at coordinates (−20, 15) on a map. if our destination is at coordinates (35, −12), (a) what are the coordin
Scilla [17]
The rest station is the midpoint of the given coordinates:
(-20+35)/2 , for the x value  and (15+-12)/2 for the y value.

Coordinates of the rest station: (7.5, 1.5)

How far is the destination? Use the distance formula : D² = √(x1-x2) + (y1-y2)
(-55)² + (27)² = D²   D = √3754 = 61.27
4 0
3 years ago
How can estimating the quotient help you check that your answer to a division problem is reasonable?​
neonofarm [45]

Explanation:

If your actual answer is very far from your estimate, you probably made a mistake somewhere.

__

<em>Additional comment</em>

50 years ago, when a slide rule was the only available calculation tool, making an estimate of the result was a required part of doing the calculation. Not only were the first one or two significant digits needed, but also the power of 10 that multiplied them. Use of a slide rule required the order of magnitude be computed separately (by hand) from the significant digits of the result.

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You may also find it useful to estimate the error in your estimate. That is, you may want to know the approximate answer to 2 (or more) significant digits in order to gain confidence that your calculation is correct.

7 0
2 years ago
Imma need sum help please
MrRa [10]

Answer:

Step 5

Step-by-step explanation:

The mistake is in step 5.

The previous step was

step \: 4 : 2 + 10 \div 2

The order operations, PEDMAS, must be applied:

We have Addition and Division here,

Using PEDMAS, we must divide first to get:

step \: 5 : 2 + 5

We can now add to get:

step \: 6: 7

Therefore the mistake occurred at step 5

8 0
3 years ago
What's 0.7 multiplied by 9<br><br> Estimate<br><br> Tell me estimation and answer in comments
kirill [66]
Estimate:6
Answer:6.3
8 0
3 years ago
Read 2 more answers
A line with a slope of 2 passes through the points (0,4) and (-6,v). What is the value of v?
krok68 [10]

To solve this problem, we should create an equation using the given information.  To do this, we should calculate the slope between the two points as if they were regular points, giving us:

change in y/change in x = (v-4)/(-6-0) = (v-4)/(-6)

Since we know that the slope is 2, we can set our calculated value for the slope of the line for the equation (v-4)/(-6) equal to 2, as shown below:

(v-4)/(-6) = 2

To solve this equation, we should multiply both sides of the equation by -6 to get rid of the denominator on the left side of the equation.

v-4 = -12

Next, we should add 4 to both sides of the equation to get the variable v alone on the left side of the equation, as shown below:

v = -8

Therefore, v =-8 is your answer.

Hope this helps!

4 0
3 years ago
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