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yan [13]
3 years ago
12

PLEASE HELP WILL MARK BRAINLIEST

Mathematics
1 answer:
RoseWind [281]3 years ago
6 0

Answer:

     

Step-by-step explanation:

     

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Stephine puts 30 cubs in a box. The cubes are 1/2 inch on each side. The box holds 2 layers with 15 cubes in each layer.
mixas84 [53]

Answer:

3 3/4 cubic inches,

Step-by-step explanation:

Stephanie puts 30 cubes in a box. The cubes are 1/2 inch on each side. The box holds two layers with 15 cubes in each layer. What is the volume of the box awnsers 5cubic inches, 7 1/2 cubic inches,3 3/4 cubic inches, 15 cubic inches.

✓From the question we are informed that Stephanie puts 30 cubes in a box. The cubes dimension are 0.5 inch on each of the sides.

✓ Since the sides is 0.5inch each, the volume is (0.5×0.5×0.5) The volume of one cube = (0.5 inch)³ = 0.125 inch³

✓ we can calculate the Volume of 30 cubes as

[ 30 cubes in a box × 0.125 inch³]

= 3.75 inch³

✓ 3.75 inch³ can be converted into fraction as (3 3/4) inch³ which is the third Option.

5 0
3 years ago
Hellppp meeeeeee PLEASEEEEE can y’all help
MaRussiya [10]

Answer:

90

Step-by-step explanation:

11 + 34=45

45+45=90 your welcome

6 0
3 years ago
Read 2 more answers
Why is the mechanical advantage of using a single pulley always 1? Assume there’s no friction. A. The input force is in a differ
Luba_88 [7]

Answer:

  D. The input force is equal to the output force

Step-by-step explanation:

A pulley changes the direction of the applied force, but does not change its magnitude. The mechanical advantage is the ratio of output force to input force, so must be 1 when the force magnitude does not change.

8 0
3 years ago
A 14 foot ladder is placed against a wall. It is placed 5 feet from the base of the wall.
Vladimir [108]

Answer:

c = 18.47

Step-by-step explanation:

This would create a triangle in which the length of the wall would be the missing side. We can use the Pythagorean Theorem to find this:

1. a^{2} + b^{2} = c^{2}

2. 5^{2} + 14^{2} = c^{2}

3. 25 + 196 = c^{2}

4. 221 = c^{2}

5. \sqrt{221} = c

6. 18.47 = c

4 0
2 years ago
The sum of three numbers is 85. The second is 7 more than the first. The third is 2 more than four times the second. Find the nu
9966 [12]
Let x=the first number
Then x+7=second number
And 4(x+7)+2=third number (2 more than 4 times the second)
Now we are told that:
x+(x+7)+(4(x+7)+2)=85 get rid of parentheses
x+x+7+4x+28+2=85 simplify
6x+37=85 subtract 37 from each side
6x+37-37=85-37
6x=48
x=8---first number
x+7=8+7=15 second number
4(x+7)+2=4*15+2=62 third number
CK
8+15+62=85
85=85
4 0
3 years ago
Read 2 more answers
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