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2 years ago

Can any of you math wiz help me I am having trouble.

Mathematics

2 answers:

Aleksandr-060686 [28]2 years ago

5 0

Answer:

1 - True

2 - False

3 - False

4 - True

Step-by-step explanation:

N/A

Nesterboy [21]2 years ago

3 0

1) True 2) False 3) False 4)True

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Alberto ran a race at a speed of 9 meters per second. Omar had a 6 meter head start and ran at a speed of 7 meters per second. B

zloy xaker [14]

Answer: Alberto run 27 meters.

Time taken By Alberto=3 seconds

Step-by-step explanation:

Let d be the distance Alberto ran to catch Omar.

Then, distance ran by Omar=x-6

Also, $\text{Time}=\frac{\text{Distance}}{\text{Speed}}$

Since, both started running at the same time.

Time taken By Alberto= $\frac{x}{9}$

Time taken By Omar= $\frac{x-6}{7}$

Now, at the point they meet time taken by both is equal.

$\frac{x}{9}=\frac{x-6}{7}\\\Rightarrow\ 7x=9(x-6)\\\Rightarrow7x=9x-54\\\Rightarrow9x-7x=54\\\Rightarrow\ 2x=54\\\Rightarrow\ x=27$

Hence, Alberto run 27 meters.

Time taken By Alberto= $\frac{27}{9}$ =3 seconds

6 0

3 years ago

Using the distance formula and the Pythagorean theorem to find the distance, to the nearest tenth, between V(2, -1) and W(-4, 8)

Sergio039 [100]

Using the distance formula I got 10.81665383 : 10.82

8 0

3 years ago

A particular airport has beacons on the ground 6 km out from the start of each runway. An airplane is directly over this beacon

hodyreva [135]

Answer:

6.06 km

Step-by-step explanation:

The information given in the question can be represented by the three sides if a right angled triangle.

Let the direct line from the airplane to the start of the runway be represented by x. So that applying the appropriate trigonometric function, we have;

Cos θ = $\frac{adjacent}{hypotenuse}$

Cos $8^{o}$ = $\frac{6}{x}$

0.9903 = $\frac{6}{x}$

⇒ x = $\frac{6}{0.9903}$

= 6.0588

x = 6.06 km

The direct line from the airplane to the stat of the runway is 6.06 km.

8 0

3 years ago

How do you translate The product of the difference of x and 3 and 4 into an algebraic expression

iragen [17]

Answer:

3x-4

Step-by-step explanation:

I might be wrong but good luck.

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3 years ago

.45 divided by 10 equals

Nikolay [14]

0.045 is the answereeeeee

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3 years ago