3 years ago

Three times a number is greater than -15 and less than 12.

Mathematics

1 answer:

Nesterboy [21]3 years ago

6 0

Anything under 3x4 and 3x-5 is greater then -15 and less than 12.

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The number of apples in a box decreased from 150 to 135. What is the percent decrease of the number of apples in the box?

goblinko [34]

Answer:

10% decrease

Step-by-step explanation:

The formula for percent change is:

$\frac{\textrm{New}-\textrm{Old}}{\textrm{Old}} \times 100$

Therefore, for this example:

$\frac{\textrm{New}-\textrm{Old}}{\textrm{Old}} \times 100=\frac{135-150}{150} \times 100=-10\%$

The negative value indicates that the change was a decrease. Therefore, there was a 10% decrease.

5 0

3 years ago

Write the ratio in lowest terms with whole numbers in the numerator and denominator.

Paha777 [63]

The answer is 5/4

$\frac{10.15}{8.12} = \frac{10.15*100}{8.12*100} = \frac{1015}{812} =\frac{1015:7}{812:7} = \frac{145}{116} =\frac{145:29}{116:29}= \frac{5}{4}$

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3 years ago

Which graph shows the equation V = 4 + 2t, where V is the total volume of water in a bucket and t is the elapsed time in minutes

kodGreya [7K]

1. Subtract 4 from both sides
v - 4 = 2t
2. Divide both sides by 2
v - 4/2 = t
3. Switch sides
t = v - 4/2

8 0

2 years ago

Read 2 more answers

Describe the error in the work shown below.

Katena32 [7]

Answer:

the bottom equation should be 18+30=3(6+10)

Step-by-step explanation:

6(3+10) = 18+60 which equals 78

78 does not equal 18

5 0

2 years ago

Can you help me with this?

horsena [70]

Answer:

Step-by-step explanation:

it this answer

7 0

2 years ago