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2 years ago

The measure of angle LGHF is?

Mathematics

1 answer:

choli [55]2 years ago

8 0

Angle GHF = 40 degrees.
is that what you were asking?

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A man can drive a motorboat 70 miles down the Colorado River in the same amount of time that he can drive 40 miles upstream. Fin

pochemuha

The speed of the current is 40.34 mph approximately.

<u>SOLUTION: </u>

Given, a man can drive a motorboat 70 miles down the Colorado River in the same amount of time that he can drive 40 miles upstream.

We have to find the speed of the current if the speed of the boat is 11 mph in still water. Now, let the speed of river be a mph. Then, speed of boat in upstream will be a-11 mph and speed in downstream will be a+11 mph.

And, we know that, $\text{ distance } =\text{ speed }\times \text{ time }$

$\begin{array}{l}{\text { So, for upstream } \rightarrow 40=(a-11) \times \text { time taken } \rightarrow \text { time taken }=\frac{40}{a-11}} \\\\ {\text { And for downstream } \rightarrow 70=(a+11) \times \text { time taken } \rightarrow \text { time taken }=\frac{70}{a+11}}\end{array}$

We are given that, time taken for both are same. So $\frac{40}{a-11}=\frac{70}{a+11}$

$\begin{array}{l}{\rightarrow 40(a+11)=70(a-11)} \\\\ {\rightarrow 40 a+440=70 a-770} \\\\ {\rightarrow 70 a-40 a=770+440} \\\\ {\rightarrow 30 a=1210} \\\\ {\rightarrow a=40.33}\end{array}$

8 0

3 years ago

F(x)=2x^2-x+1 find the vertex

Galina-37 [17]

The Answer fam is (1/4,7/8)

5 0

3 years ago

What is 12 2/3 as an improper fraction

BaLLatris [955]

Answer:

$\dfrac{38}{3}$

Step-by-step explanation:

$12\dfrac{2}{3} =$

$= 12 + \dfrac{2}{3}$

$= \dfrac{12}{1} + \dfrac{2}{3}$

$= \dfrac{12}{1} \times \dfrac{3}{3} + \dfrac{2}{3}$

$= \dfrac{36}{3} + \dfrac{2}{3}$

$= \dfrac{38}{3}$

4 0

3 years ago

George walked around the entire perimeter of his rectangular garden. The length of his garden was 12 yards and the width was 8 y

Marina86 [1]

To find perimeter, you use this equation for a parallelogram:
2l+2w=p
Let’s not put the numbers in,
2(12)+2(8)
24+16
40
So b, 40 yards is how much he walked.

To

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3 years ago

You work for a horse farrier. You take a random sample of 75 Quarter Horses and determine that their mean height is 15.2 hands.

Evgesh-ka [11]

Answer:

B) You conclude that the mean height of all Quarter Horses is close to 15.2 hands

Step-by-step explanation:

5 0

3 years ago

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