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Snowcat [4.5K]
3 years ago
15

Which correctly describes a cross section of the cube below? Check all that apply.

Mathematics
1 answer:
mixer [17]3 years ago
6 0

Answer:

check the first one only

Step-by-step explanation:

in a cube, no matter which side it is, there will never be a rectangle, it will all be squares

not exactly good at drawing but I drew out what the description looks like and hope you can somehow understand it better!

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One number is one-third a second number. if the sum of the numbers is 48, find the numbers.
Gnoma [55]

First number assume A

Second number assume B

A= 1/3B ==> B= 3A

A+B = 48 ==> A+ 3A= 48

4A= 48 ==> A= 12

B= 3A= 36

8 0
2 years ago
9(8s - 5f) use f = 3 and s = 4
Savatey [412]

Answer:

153

Step-by-step explanation:

8x4=32

5x3=15

32-15=17

9x17=153

5 0
3 years ago
Read 2 more answers
How do you think inequalities are different from equations you have worked with before?
dmitriy555 [2]

Answer:

Inequalities are different from equations.  If you multiply or divide both sides of an equation by the same negative number, the equation remains the same, but If you multiply or divide both sides of an inequality by the same negative number, the inequality reverses.

4 0
3 years ago
Solve equation 3k+45=8k+25
Brrunno [24]

Answer:

k=4

Step-by-step explanation:

First, we can subtract 3k on both sides. It is ultimately easier to start by subtracting the term with a variable. This would result in 45=5k+25. Then, we can subtract 25 on both sides to get closer to isolating k. This becomes 20=5k. We can then divide by 5 on both sides. This means that k=4.

5 0
3 years ago
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Solve for angle B, then side a. Round to the nearest tenth.
Sunny_sXe [5.5K]

Answer:

Angle B: 28 degrees

Side a: 27.6

Step-by-step explanation:

Angle B:

180-112-40=28

Side a:

sin 28/14 = sin 112/a

a = sin 112(14)/sin 28

a = 27.6

7 0
2 years ago
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