3 years ago

Find the volume of this triangular prism.

1 answer:

4 0

So the formula for volume for a triangle is A=BH(1/2), and I have seen the fugure for the same problem, so I know which is the height, so basically do 6*7(1/2), and the answer is 21 m. And I am guessing m is meters, so 21 meters.

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Rewrite V=lwh to isolate the variable w then the literal equation becomes w=v/lh true or false

Oduvanchick [21]

Answer:

True

Step-by-step explanation:

$V=lwh\\\\lwh=V\\\\\frac{lwh}{lh}=\frac{V}{lh}\\\\ \boxed{w=\frac{V}{lh}}; l\neq 0$

The answer should be true.

5 0

3 years ago

Alyssa is learning to drive her parents' car.

Eduardwww [97]

Answer:

Step-by-step explanation:

I just did this test and D was the right answer.

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3 years ago

A car travels 2.83 km in the x-direction, then turns left 65.3 ◦ to the original direction and travels an additional distance of

umka21 [38]

Answer:

4.24 km

Step-by-step explanation:

The x-component of the displacement after the turn is ...

d2·cos(θ) = (3.38 km)cos(65.3°) ≈ 1.41239 km

Adding this to the displacement before the turn, we have ...

x-component of displacement = 2.83 km + 1.41 km = 4.24 km

4 0

3 years ago

There are blue, red and green pencils in the box—20 pencils total. There are 6 times more green pencils than blue pencils. There

lana [24]

Answer:

You have to take 15 pens to get at least one red pencil.

Step-by-step explanation:

If there were one red and 6 green pens, there would be more red than green pens.

If there were 3 or more blue and thus 18 or more green pens, the number of pens would be over 20.

So there must be 2 blue, 12 green and thus 6 red pencils. So you have to take at least 15 pens to be sure that you got a red one.

5 0

3 years ago

Frank bought a pair of gloves for $9.95 and a hat for $5.25. What is the best estimate of much he spent?

viktelen [127]

Answer:

$ 15.00

Step-by-step explanation:

9.95 is JUST about 10

5.25 is close to 5

10 + 5 = 15

7 0

2 years ago