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2 years ago

Here is the histogram of a data distribution. All class widths are 1.

1 answer:

4 0

The answer is 7 because the mean is an average. So if you add up all the numbers and then divide that number by the amount of numbers listed then that will get you your answer which is 7

4+5+6+7+8+9+10=49
49/7=7

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A chemist has three different acid solutions. The first acid solution contains 25%

PilotLPTM [1.2K]

Solution:
Let the volume (in litres) of acids used be:
x1=amount of 25% acid
x2=amount of 40% acid
x3=3*x2=amount of 60% acid

8 0

2 years ago

(2 (4+4) X2 Answer No step by step explanation just the answer

DerKrebs [107]

Answer:

Step-by-step explanation:

I had brainliest but some kid reported me soooooo

6 0

2 years ago

A store is having a sale to celebrate president's Day. Every item in the store is advertised as one fifth off the original price

olya-2409 [2.1K]

1/5th off = 20% off

80% = $140
1% = $1.75
100% = $175

Answer is $175

6 0

3 years ago

2 1/4 x2 1/4 in mixed number

maks197457 [2]

Answer:

$5 \frac{1}{16}$ is the answer.

Step-by-step explanation:

Given:

$2 \frac{1}{4} \times 2 \frac{1}{4}$

Step 1: Converting the mixed fraction into fraction:

Multiply 4 by 2 add 1 to the result.

$2\frac{1}{4}$ = $\frac{4 \times 2+1}{4}$

= $\frac{8+1}{4}$

= $\frac{9}{4}$

Step 2: Performing the multiplication using the fraction

= > $\frac{9}{4} \times \frac{9}{4}$

=> $\frac{81}{16}$

Step 3: Converting the product back to mixed fraction

divide 81 by 16 and find the remainder

=> $quotient \frac{remainder}{divisor}$

Dividing 81 by 16 we get 5 as quotient and 1 as remainder

Thus the result in mixed fraction will be

=> $5 \frac{1}{16}$

4 0

2 years ago

What is minutes spent on homework

Eduardwww [97]

It appears that you have here a list of the # of minutes spent each day on HW, and that y ou need to sum up this list to answer the question. Unfortunately I cannot read the last numeral.

The answer (assuming that my guess is correct) would be found as follows:

Total hours spent on HW in one week = (18+20+22+11+19+18+ ?? )

3 0

3 years ago