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2 years ago

Which is the most accurate way to estimate 26% of 91?

Mathematics

1 answer:

notka56 [123]2 years ago

8 0

Answer:

Step-by-step explanation:

26% is close to 25%, which is equal to 1/4th.

You're adding to the number and removing from the percentage so it balances it out.

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What expression can be used to find the total discount? Select all that apply. 0.3*42 or 3/10*42 or 0.03*42 or 3 *4.2

ehidna [41]

0.3*42 this gives you a 30% discount

3/10*42 this gives you a 30% discount

0.03*42 this gives you a 3% discount

3 *4.2 This is not a discount

6 0

2 years ago

Please give answer of 6 number

Irina18 [472]

Answer:

$7,500$

Step-by-step explanation:

Let's solve this problem step-by-step. The library had 1,500 books in 2011. The ratio of books in 2011 and in 2012 is 1:2. Therefore, let the number of books in 2012 be $x$ .

We have the following proportion:

$\frac{1}{1,500}=\frac{2}{x},\\x=2\cdot 1,500=3,000$

Therefore, there were 3,000 books in 2012. The ratio of books in 2012 and in 2013 is 2:5. Let the number of books in 2013 be $y$ .

We have:

$\frac{2}{3,000}=\frac{5}{y},\\2y=5\cdot 3,000,\\2y=15,000\\y=\boxed{7,500}$

Therefore, there were 7,500 books in 2013.

8 0

2 years ago

Read 2 more answers

If the square of x is 5, then the square of 4x will be?<br> a) 400<br> b) 80<br> c) 60<br> d)20

Tamiku [17]

Answer:

OPTION B: 80

SEE THE IMAGE FOR SOLUTION

8 0

2 years ago

Read 2 more answers

How can you tell if a set of bivariate data shows a linear relationship?

stira [4]

Make a scatterplot of the data. Once finished, look at the scatterplot to determine if the data taken holistically appears to be a close to the shape of a line.

5 0

2 years ago

Write the following equations in slope-intercept form.

Serhud [2]

Answer:

y= 4/3x-1
y= -2x-3
y= -4x-5
y= -x+6
y= -x+4
y= 1/3x-1
y=6x-1
y= -5/7x-8/7

6 0

2 years ago