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Keith_Richards [23]
3 years ago
15

28 elementary schools to 16 middle school

Mathematics
1 answer:
insens350 [35]3 years ago
4 0

Answer:

\frac{7}{4}

Step-by-step explanation:

Here is the complete question: 28 elementary schools to 16 middle schools, write the ratio in simplest form.

Given ratio= elementary schools: middle schools:: 28:16

The ratio can be written as \frac{28}{16}

Now to write \frac{28}{16} into simplest form, we need to divide both numerator and denominator by 4.

∴ elementary schools: middle schools= \frac{\frac{28}{4} }{\frac{16}{4} }

Hence, we get simplest ratio of elementary schools to middle schools= \frac{7}{4}

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Decimals- do i move the decimal when adding or multiplying
EastWind [94]

Answer:

when adding you just line the decimals up like this, let's say you had to add 1 to 2.58.

2.58

+ <u> 1 .00</u>

3.58

when multiplying you might have to move it, say you had to multiply 1.5 by 2.2. (you don't have to line up the decimals like with addition)

1 .5

<u> </u><u>×</u><u> 2.2</u>

30

<u> </u><u>+</u><u> 300</u>

3.30

1.5 has one decimal place and 2.2 also has one decimal place so you put those 2 decimal places in your answer.

sorry if this is a bit confusing lol

6 0
3 years ago
Please answer quickly
Juliette [100K]

Answer:

Step-by-step explanation:

4^3 * 4^4 = 4^(3+4) = 4^7

4^7/4^9 = 4^(7-9)

= 4^-2 = 1/4^2

6 0
3 years ago
Harris is building a deck around his pool. His contractor charges $525 for labor plus an additional $4.75 per square foot for ma
xenn [34]

Answer:

B

Step-by-step explanation:525 is the constant so no variable should be next to it

6 0
3 years ago
Read 2 more answers
Let y= 4t+2 be a linear function representing the distance from home for an ant t minutes after starting out fom a location near
bija089 [108]

The given equation is of the form y = m x + b where m is the slope and b is the y intercept that is value of y when x =0 , or we can say b is the initial value.

In the given equation which is y = 4t+2, on comparing we will get m =4 that is slope is 4 and here slope represents the rate or speed and 2 is the y intercept that is b. And 2 represents the initial position that is, the ant is 2 units from the home initially .

8 0
3 years ago
Read 2 more answers
22.
kykrilka [37]

The option fourth "There is a strong negative relationship between x and y" is correct.

<h3>What is correlation?</h3>

It is defined as the relation between two variables which is a quantitative type and gives an idea about the direction of these two variables.

\rm r = \dfrac{n(\sum xy)-(\sum x)(\sum y)}{\sqrt{{[n\sum x^2- (\sum x)^2]}}\sqrt{[n\sum y^2- (\sum y)^2]}}

 

The options are:

  • There is no relationship between x and y.
  • There is a weak negative relationship between x and y.
  • There is a strong positive relationship between x and y.
  • There is a strong negative relationship between x and y.

We have data:

x 7 8 9 10 11 12 13

y 13 10 7 6 5 3 0

The value of correlation r = -0.9847

As we know the value of r between -1 to +1

If r = 1 (perfect and positive correlation)

if r = -1 (perfect and negative correlation)

We have r = -0.9847

The value is near to -1 which means there is a strong negative relationship between x and y.

Thus, the option fourth "There is a strong negative relationship between x and y" is correct.

Learn more about the correlation here:

brainly.com/question/11705632

#SPJ1

4 0
2 years ago
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