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3 years ago

A survey asked eight students about weekly reading hours and whether they play musical instruments. The table shows the

Mathematics

1 answer:

Daniel [21]3 years ago

8 0

Answer:

2 4 and 6

Step-by-step explanation:

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-4/6+-7/9

lesantik [10]

$-\frac{4}{6} + -\frac{7}{9}$ = $-\frac{13}{9}$

Step 1: Cancel 4/6 and change to 2/3.

$= -\frac{2}{3} - \frac{7}{9}$

Step 2: Adjust Fractions based on the LCM.

The LCM of 3 , 9 : 9

$= -\frac{6}{9} - \frac{7}{9}$

$= \frac{-6 - 7}{9}$

Step 3: Subtract the numbers : - 6 -7 = -13

$= -\frac{13}{9}$

3 0

4 years ago

Solve the following inequality.<br> 45 < 9(x+3) < 153

musickatia [10]

Answer:

2 <x <14

Step-by-step explanation:

8 0

3 years ago

There are about 30.2 million small businesses in the u.s and about 30,000 other larger businesses. What percent of all businesse

Leni [432]

<h3>Answer:</h3>

99.90%

<h3>Step-by-step explanation:</h3>

STEPS:

Find the total amount
Find out what number of what we want to know the percentage of there are out of the whole amount there is. (Divide the percentage amount we want to find by the total amount)
Turn into a percentage by multiplying by 100

Find the total sum

30.2 mil = 30,200,000 small businesses + 30,000 other = 30,230,000 total

Find the fraction that small businesses make up of the total

$\frac{small~businesses}{total~businesses} = \frac{30,200,000}{30,230,000} = 0.9990$

Convert to percentage

0.9990 → % = 0.9990 × 100 = 99.90%

Hope this helps,

5 0

3 years ago

Is 25/70 and 8/20 proportion

jenyasd209 [6]

No those two fractions are not proportional.

25 times 20 = 500
70 times 8 = 560
500 and 560 are not equal so therefore the fractions are not proportional. Hope this helps!

6 0

3 years ago

Four teachers offer an after-school chess club. The table shows the number of

madam [21]

Using proportions, it is found that the least number of teams that will include all of the students is of 10.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

In this problem, 12 + 36 + 9 = 57 students will be divided into teams of no more than 6 students, hence:

57/6 = 9.5.

Rounding up, the least number of teams that will include all of the students is of 10.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

5 0

2 years ago