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3 years ago

Determine the type of triangle that is drawn below.

Mathematics

1 answer:

LuckyWell [14K]3 years ago

5 0

Answer:

Isosoles <em>triangleddndnndnendndne</em>

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A pulley is used to pull a boat to the dock. The rope is attached to the boat 7 feet below the level of the pulley. What is the

Svetradugi [14.3K]

Answer: 24 ft

Step-by-step explanation:

By the Pythagorean theorem,

$7^{2}+x^{2}=25^{2} \\ \\ 49+x^{2}=625 \\ \\ x^{2}=576 \\ \\ x=\boxed{24 \text{ ft}}$

7 0

2 years ago

Even though the population standard deviation is unknown, an investigator uses z rather than the more appropriate t to test a hy

alexandr1967 [171]

Answer:

The true true level of significance of this test is more than 0.01.

Step-by-step explanation:

No standard deviation and we are told that the investigator still used z rather than the more appropriate t - distribution.

This method of using the z-distribution when standard deviation is unknown will definitely result in a smaller critical value and this in turn simply means that the p-value will be smaller than what it should really be.

Thus, it means the critical value is getting closer to the mean value than the way it should be.

Therefore, means that for a given significance of 0.01 and using the z-distribution under this no standard deviation situation, the true true level of significance of this test is more than 0.01.

8 0

4 years ago

3. A carpenter is framing a window with wood trim where the length of the window is 6 and 2\3 feet. If the width of the window i

wel

We can see that window is in shape of rectangle. So the length of the required wood to frame window is equal to the perimeter of rectangle.

SO the length of rectangular window is $= 6 \frac{2}{3} = \frac{20}{3}$ feet.

Width of the rectangular window is = $7 \frac{3}{4} = \frac{31}{4}$ feet.

In general parameter of rectangle is = $2(l+b)$

So the parameter of window is = $2( \frac{20}{3} + \frac{31}{4}) = 2* \frac{(80+ 93)}{12} = 2* \frac{173}{12} = 28.834$

So the required length of wood to frame window is = 28.834 feet

3 0

3 years ago

How long did world war2 last

DochEvi [55]

September 1, 1939 - september 2, 1945

5 0

3 years ago

Read 2 more answers

What is the image of the point (-6,-8)(−6,−8) after a rotation of 90^{\circ}90

mrs_skeptik [129]

Answer:

(8,-6)

Step-by-step explanation:

The rule is (x,y) becomes (-y,x). You can find all of these rules online.

7 0

2 years ago