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julia-pushkina [17]
3 years ago
11

Solve the inequality and graph its solution on a number line a - 3 > -7

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
6 0

Answer:

B

Step-by-step explanation:

a-3>-7

collect like terms

a>-3-7

a>-10

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72 greater than r is less than −432
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its Greater than

Step-by-step explanation:

the 72 is a positive and -432 is a negative cause it has a minus

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3 years ago
35=11x. i need help
V125BC [204]

Answer:

x= 35/11

Step-by-step explanation:

steps

35 = 11x

swich sides

11x = 35

Divide both sides by 11

11x/11 = 35/11

simplify

x = 35/11

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Solve this inequality:<br> 20 +0.75m &lt; 65
allsm [11]

Answer:

15

Step-by-step explanation:

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2 years ago
Read 2 more answers
A marketing research company desires to know the mean consumption of milk per week among people over age 30. They believe that t
Nitella [24]

Answer:

651 is the minimum number of people over age 30 they must include in their sample.        

Step-by-step explanation:

We are given the following information:

Confidence level = 90%

Significance level = 10%

Maximum error = 0.09

Variance = 1.96

\text{Standard Deviation} = \sqrt{\text{Variance}} = \sqrt{1.96} = 1.4

Formula:

\text{Error} = z_{critical}\dfrac{\sigma}{\sqrt{n}}

Putting all the values,

z_{critical}\text{ at}~\alpha_{0.05} = \pm 1.64

0.09 = 1.64\times \dfrac{1.4}{\sqrt{n}}\\\\n = (\dfrac{1.64\times 1.4}{0.09})^2 = 650.81 \approx 651

651 is the minimum number of people over age 30 they must include in their sample.

7 0
3 years ago
Insurance that pays for damages to houses or businesses is called
Agata [3.3K]

Answer:

Homeowners insurance

Step-by-step explanation:

Homeowners insurance is designed to protect your home from what are called "perils." A peril is your exposure to risk or something that causes loss or destruction. … Homeowners 2 (HO2): This policy protects your property against 18 perils (including 11 perils from Homeowners 1). Typical homeowners insurance policies offer coverage for damage caused by fires, lightning strikes, windstorms and hail. But, it's important to know that not all natural disasters are covered by homeowners insurance. For example, damage caused by earthquakes and floods are not typically covered by homeowners insurance.

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2 years ago
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