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denis23 [38]
3 years ago
15

When I multiply a - and +, the answer will be a?

Mathematics
2 answers:
Yuki888 [10]3 years ago
7 0

Answer:

it will me a negative (-)

Butoxors [25]3 years ago
4 0
The answer is negative (-)
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NOTE: Angles not necessarily drawn to scale.
JulsSmile [24]

Answer:

x=70

Step-by-step explanation:

angle FED and GEC are vertical angles so they both equal 50

angle DEB and CEA are also vertical angles so they both equal 20

50+20=70

8 0
3 years ago
I need help on #11& #8
Musya8 [376]
100 * pi = pi * r^2
Pi cancels on both sides of the equation
So... 100= r^2
= radius is 10
5 0
4 years ago
The total spent on research and development by the federal government in the United States during 2002–2012 can be approximated
Gwar [14]

Answer:

28 billion dollars

Step-by-step explanation:

The total spent on research and development by the federal government in the United States during 2002–2012 can be approximated by

S(t) = 3.1 ln t + 22  billion dollars (2 ≤ t ≤ 12), where t is the year since 2000.

If t=6, that is, In the year 2006,

S(t) = 3.1 ln 6 + 22

=5.55+22=27.55

=28 billion dollars (To the nearest billion dollars)

In 2006, the federal government of the United States spent approximately $28 billion on research and development.

8 0
4 years ago
cone is inscribed in a cylinder. A square pyramid is inscribed in a rectangular prism. The cone and the pyramid have the same vo
tensa zangetsu [6.8K]

Answer:

The answer is "v_1 \ and\ v_2 are equal".

Step-by-step explanation:

Its volume could be defined both by cone as well as the cylinders

\to \text{(base area)} \times \text{(solid height)} \times (\frac{1}{3})\\\\

We are planning to write this as V = \frac{Bh}{3}

When we relate this formula to the cylindrical and prism volume formula, we can see that when we multiply the cone volume by 3, the cylinder size where it is registered comes in. The very same goes for the pyramid as well as the inscription of the rectangular prism. That both pyramid and the cone have the same volume V, hence it would have the same volume of a cell and rectangle prism. v_1 \ and\ v_2 are so similar.

8 0
3 years ago
Dwight made double the number of baskets in the second half of the basketball game than in the first half. He made 5 baskets in
Furkat [3]

He made 10 baskets in the second half

3 0
3 years ago
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