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Rzqust [24]
3 years ago
15

What is the area of a triangle with a base of 6m and a height of 7m

Mathematics
1 answer:
Veronika [31]3 years ago
5 0

Answer:

It is 21

Step-by-step explanation:

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This is multiplying fractions and i have to show work
grandymaker [24]

To solve:

\frac{2}{3}\times(-4\frac{1}{3})

Let us convert the mixed fraction into fraction first,

\frac{2}{3}\times(-\frac{13}{3})

On simplification we get,

-\frac{26}{9}

Hence, the answer is,

-\frac{26}{9}

7 0
1 year ago
2 The outside temperature is -3°F and falling at a rate of 2 degrees per hour. What will the temperature be in 5 hours?​
ratelena [41]

Answer:

-13

Explanation:

I did the math lol

6 0
3 years ago
With the beam being held still at a height of 40 m, the crane breaks and the beam falls to the ground. Assuming no air resistanc
lapo4ka [179]
What we have so far:
Kinetic energy = 0. The reason behind that is because the beam is not moving at a height of 40m.
Gavity, g = 9.8m/s²
Height = 40m
Potential energy = mgh; this is equal to 0 because m, stands for mass and in this problem, we do not have a value for the mass of the beam. Hence, 0 x 9.8m/s² x 40m = 0. Potential energy = 0.

Solution:
We will use the equation of Total energy:
TE = potential energy + kinetic energy

TE = 0 + 0

∴ TE = 0

The answer is: Assuming no air resistance, the total energy of the beam as it hits the ground is 0.
8 0
3 years ago
What are parallel lines
tankabanditka [31]

Answer:

Parallel lines are lines <u>in the same plane</u> that do not intersect, like lines on notebook paper.

The "in the same plane" requirement is important!  Take a look at the attached image.  Lines AD and DC don't intersect, but they are <u>not</u> in the same plane (face of the rectangular solid).  We don't call those parallel, we call them skew lines.

7 0
3 years ago
Charlie watched 1 3 of a movie in the morning, and he watched some more at night. By the end of the day, he still had 2 5 of the
Finger [1]

Answer: 4/15 of the movie

Step-by-step explanation:

In the morning, Charlie watched ¹/₃ of a movie. He then watched some more at night.

At the end of the day, he still had ²/₅ of the movie to watch.

The proportions of an item must always add up to one. This means that if you added the 1/3 to the 2/5 and then to the fraction Charlie watch at night, they should add up to one.

¹/₃ + ²/₅ + x = 1

x = 1 - ¹/₃ - ²/₅

x = \frac{15 - 5 - 6 }{15} \\\\x = \frac{4}{15}

3 0
3 years ago
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