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crimeas [40]
3 years ago
11

Easy math please help

Mathematics
1 answer:
Vaselesa [24]3 years ago
3 0
A and D
Explanation: I did this problem in khan academy
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Help with my homework. Please.
garik1379 [7]

Answer:

Step-by-step explanation: since average speed = total distance/time

a)average speed of the journey from my home town to A = 10 miles/20 minutes = 0.5

b)journey from my home town to B = 20 miles/30 minutes = 0.7

c)10 miles + 20 miles = 30 miles

which takes 50 minutes

so: 30 miles/50 minutes = 0.6

5 0
3 years ago
The height of a wooden pole, h, is equal to 15 feet. Ataut wire is stretched from a point on the ground to the top of the pole.
Taya2010 [7]

The question is incomplete. Here is the complete question:

The height of a wooden pole, h, is equal to 15 feet. A taut wire is stretched from a point on the ground to the top of the pole. The  distance from the base of the pole to this point on the ground, b. is equal to 8 feet. What is the length of the wire?

Answer:

Length of wire = 17 feet

Step-by-step explanation:

Given:

The height of the wooden pole is, h=15\ ft

The distance from the base of the pole to this point on the ground is, b=8\ ft

Let the length of the wire be 'l'.

Now, consider the triangle formed by the pole, the base, and the wire. The length of the wire is the slant length and hence the hypotenuse of the triangle.

Using Pythagorean theorem, we can find the hypotenuse.

(Hypotenuse)^2=(height)^2+(base)^2\\l^2=h^2+b^2

Plug in the given values and solve for 'l'. This gives,

l^2=15^2+8^2\\\\l^2=225+64\\\\l^2=289\\\\l=\sqrt{289}\\\\l=\pm17

As length can never be negative, we ignore the negative result.

Therefore, the length of the wire is 17 feet.

7 0
3 years ago
What is the answer for this please help -31=3w+9-8w simplify you answer as much as possible
ki77a [65]

-31=3w+9-8w\\\\-5w+9=-31 \ \ /-9\\\\-5w=-40 \ \ /:(-5)\\\\\huge\boxed{w=8}

3 0
3 years ago
How many hour between 2.15pm to 4.45pm
BigorU [14]
2 hours and a half, or 2 hours and 30 minutes. :-)
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3 years ago
Customer A with a Bronze service level package calls in a Critical System Failure at 9:00 AM. Customer B with a Silver service l
Citrus2011 [14]
According to the priority level of their service level packages and problems,the technician visit the customers visits in the following order.

1) Platinum service level
2) Gold Service level
3) <span>Silver service level
4) Bronze service level
</span>
4 0
3 years ago
Read 2 more answers
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