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iogann1982 [59]
3 years ago
7

Find the distance between the two points (-7, 5) (-7, -4)

Mathematics
1 answer:
Sveta_85 [38]3 years ago
5 0

Answer:

Step-by-step explanation:

d^2=(x_2-x_1)^2+(y_2-y_1)^2\\ \\ d^2=(-7+7)^2+(5+4)^2\\ \\ d^2=81\\ \\ d=9

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Suppose that market demand for a good is q = 480 - 2p. the marginal cost is mc = 2q.
Lynna [10]

Answer:

1 is the most of all uruhrhrhrhdhhfv gdhgrjduyrbbcfdjhccbfmhf

5 0
2 years ago
A house purchased for $216,500 gains 2% of its value every year. If this growth rate continues, in how many years will the house
NikAS [45]

Answer: 36 years

Step-by-step explanation:

You can use the Rule of 72 to calculate how long it might take the house to double in value.

The Rule of 72 works by dividing 72 by the interest rate as a whole number and the result will be a rough estimate of the time in years it will take for the investment to double in size:

= 72 / 2

= 36 years

3 0
3 years ago
Jill bought 7 pounds of melon and 0.9 pounds of cherries. How much fruit did she buy in all
erik [133]

Answer:

7.9 pounds of fruit

Step-by-step explanation:

In all means to add, so 7 + .9 = 7.9 pounds

6 0
3 years ago
Mikey's family is taking a road trip. Their car can travel no more than 260 miles without needing to refill the gas tank. They h
Assoli18 [71]

The solution to the inequality is that Mikey's family can drive at most 148

Inequality shows the non equal comparison of numbers or expressions.

Given that Mikey situation can be represented by the inequality:

112 + x ≤ 260

Solving the inequality:

112 + x ≤ 260

Subtract 112 from both sides of the equation:

112 + x - 112 ≤ 260 - 112

x ≤ 148

Hence from the inequality, we can see that Mikey's family can drive

at most 148

Find out more at: brainly.com/question/25285332

6 0
2 years ago
An engineer designed a valve that will regulate water pressure on an automobile engine. The engineer designed the valve such tha
IgorLugansk [536]

Answer:

Do no reject null hypothesis.  

Conclusion:

there is no sufficient statistical evidence at 0.025 level of significance to support the claim.

Step-by-step explanation:

Given that;

mean x" = 5.4

standard deviation σ = 0.7  

n = 6

Null hypothesis H₀ : μ = 5.0  

Alternative hypothesis H₁ : μ > 5.0    

∝ = 0.025    

now,

t = ( 5.4 - 5.0) / ( 0.7/√6) = 0.4 / 0.2857 = 1.4

degree of freedom df = n-1 = 6 - 1 = 5

T critical = 2.571

Therefore; t < T critical,

Do no reject null hypothesis.  

Conclusion:

there is no sufficient statistical evidence at 0.025 level of significance to support the claim.

3 0
3 years ago
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