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scoray [572]
3 years ago
6

Find the midpoint of the line segment joining the points ​(-1​,​-1) and ​(-3​,​12).

Mathematics
1 answer:
gregori [183]3 years ago
8 0

Answer:

(-2, 11/2)

Step-by-step explanation:

use the mid-point formula!

((x1+x2)/2, (y1+y2)/2)

((-1+-3)/2, (-1+12)/2)

(-2, 11/2)

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60 is x% of 12. Find the value of x.
Liula [17]

Answer:

20

Step-by-step explanation:

We can set up a percentage proportion to find the value of x.

\frac{12}{x} = \frac{60}{100}

Now we cross multiply:

100\cdot12=1200\\\\1200\div60=20

Hope this helped!

4 0
3 years ago
The annual expenditure of the US federal government is approximately 444 trillion dollars.
Alexeev081 [22]

Answer:

4 x 10^8 metres.

[0.0001 x (4 x 10^12)

= 4 x 10 ^8

5 0
2 years ago
Solve and show all work, simplify completely: 7/10 x 2/3
ikadub [295]

7/15 or o.46 that is the answer to this question


5 0
3 years ago
Read 2 more answers
PLEASE HELP
NeTakaya

Answer:

A rectangular prism in which BA = 20 and h = 6 has a volume of 120 units3; therefore, Shannon is correct

Step-by-step explanation:

step 1

Find the area of the base of the rectangular pyramid

we know that

The volume of the rectangular pyramid is equal to

V=\frac{1}{3}BH

where

B is the area of the base

H is the height of the pyramid

we have

V=40\ units^{3}

H=6\ units

substitute and solve for B

40=\frac{1}{3}B(6)

120=B(6)

B=120/6=20\ units^{2}

step 2

Find the volume of the rectangular prism with the same base area and height

we know that

The volume of the rectangular prism is equal to

V=BH

we have

B=20\ units^{2}

H=6\ units

substitute

V=(20)(6)=120\ units^{3}

therefore

The rectangular prism has a volume that is three times the size of the given rectangular pyramid. Shannon is correct

3 0
3 years ago
Use the net to find the surface area of the regular pyramid.<br><br> plz, help I'm stuck.
Zepler [3.9K]

Answer:

178.3 mm²

Step-by-step explanation:

Surface area = Base area + 3 x side triangles area

Sₐ = 43.3 + 3 x (1/2 x (10 x 9)) = 43.3 + (3 x 45) = 178.3

5 0
3 years ago
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