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soldi70 [24.7K]
4 years ago
15

Solve the following equations and inequalities showing all work.

Mathematics
1 answer:
DanielleElmas [232]4 years ago
4 0

Answer:

See the answers in the pics

Step-by-step explanation:

Srry, I didn't quite understood the last two equations

but I hope that from now on you will know how to solve equations and inequalities like this ;]

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What is the height of the triangular prism below if the volume equals 1,638 cubic millimeters? 65 mm 63 mm 26 mm 28 mm.
sergejj [24]

Answer:

The height of the triangular prism is 26\ mm

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The volume of the triangular prism is equal to

V=Bh

where

B is the area of the triangular base

h is the height of the prism

<em>Find the area of the base B</em>

B=\frac{1}{2}(7)(18)=63\ mm^{2}

we have

V=1,638\ mm^{3}

h=x\ mm

substitute and solve for x

1,638=(63)x

x=1,638/(63)=26\ mm

6 0
4 years ago
What is the equation for a circle with center (0, 13) and radius of 5?
GuDViN [60]

Answer: use circumfrans to get ur answer

Step-by-step explanation:

pls give brainlest almost lvled up

4 0
3 years ago
Read 2 more answers
HELP PLEASE!
Svet_ta [14]
Hello! I believe the answer to your question is C (hours). If t is the amount of time it takes, hours is a unit of time, therefore I assume that would be your answer. :)
7 0
4 years ago
Find the geometric mean between each pair of numbers.<br> 12 and 2.4
Scorpion4ik [409]

Answer:

about 5.37

Step-by-step explanation:

Geometric mean is

\sqrt[n]{x_1(x_2)(x_n)...} }

So square root of 12(2.4)

square root of 28.8 is

about 5.366563146

or 5.37

3 0
3 years ago
What is the value of k?
Luda [366]

Answer:

Step-by-step explanation:

4k + 6k=10k

5 * 10=50

180-50 (Think so : ) .)

10k = 130

k=130/10

=13

(i hope it's right)

: )

6 0
4 years ago
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