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mihalych1998 [28]

3 years ago

7

What led to the decline of fur trading?

1 answer:

Tema [17]3 years ago

7 0

If I remember correctly, one of the reasons was that the beaver population, where the highly sought for fur was gotten from, decreased dramatically as they were hunted down.

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A newspaper article indicated that 43 percent of cars with black seats are white, 46 percent of cars with black seats are blue,

Andrews [41]

Answer:

C) P (X2 ≤ 8.2) = 0.96

Step-by-step explanation:

P value for the test is the probability of obtaining results that have been observed in the null hypothesis statement. A very small value of p indicates that there is unlikely chance of null hypothesis being true which means that we cannot accept null hypothesis based on the small p value.

4 0

3 years ago

Read 2 more answers

In the pulley system shown in this figure, MQ = 30 mm, NP = 10 mm, and QP = 21 mm. Find MN.

ankoles [38]

<h2>Answer:</h2>

$\boxed{\overline{MN}=37.96}$

<h2>Step-by-step explanation:</h2>

For a better understanding of this problem, see the figure below. Our goal is to find $\overline{MN}$ . Since:

$\angle MRS=\angle MQP=90^{\circ} \\ \\ \overline{MQ}=\overline{MR}=30mm$

and $\overline{MN}$ is a common side both for ΔMRN and ΔMQN, then by SAS postulate, these two triangles are congruent and:

$\overline{RN}=\overline{QN}$

By Pythagorean theorem, for triangle NQP:

$\overline{QN}=\sqrt{\overline{NP}^2+\overline{QP}^2} \\ \\ \overline{QN}=\sqrt{10^2+21^2} \\ \\ \overline{QN}=\sqrt{541}$

Applying Pythagorean theorem again, but for triangle MQN:

$\overline{MN}=\sqrt{\overline{MQ}^2+\overline{QN}^2} \\ \\ \overline{MN}=\sqrt{30^2+(\sqrt{541})^2} \\ \\ \boxed{\overline{MN}=37.96}$

3 0

3 years ago

A varies inversely as the square of b. If a is 1 when b is 4, find a when b is 4.<br> with solution

inn [45]

Answer:

4

a=k/b squared when a=1,b=4 k=16

When b=4 a=1

5 0

2 years ago

What is the slope of the line that passes through (3, 5) and (-2, 6)?

Aleksandr [31]

Answer:

0.2

Step-by-step explanation:

θ =

arctan( ΔY ) + 180°

ΔX

= 168.69006752598°

ΔX = -2 – 3 = -5

ΔY = 6 – 5 = 1

Distance (d) = √ΔX2 + ΔY2 = √26 = 5.0990195135928

Equation of the line:

y = -0.2x + 5.6

or

y =

- 1 x

5

+ 28

5

When x=0, y = 5.6

When y=0, x = 28

5 0

3 years ago

Read 2 more answers

Compared to last year, the population of boom town has increased by 24%. The population is now 6,600. What was the population la

CaHeK987 [17]

Answer:

1,584

Step-by-step explanation:

6,600 multiplied by 24%(or 0.24) is 1,584

8 0

3 years ago