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tatiyna
3 years ago
11

9+X+3X-5 simplify expression

Mathematics
1 answer:
Lelu [443]3 years ago
3 0
4 + 4X is the expression simplified
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What percent of 70 is 49?
morpeh [17]

Answer:

70%

Step-by-step explanation:

49/70 = 0.7

0.7*100 = 70%

4 0
3 years ago
Mr. Smith has 12 congruent boxes shaped like rectangular prisms in his office. If the length is 25 inches, the height is 2 feet,
Nana76 [90]

Answer:

width of one box = 1.25 inches

Step-by-step explanation:

Given data:

12 congruent boxes

Length = 25 inches

height = 2 feet

Volume = 9000 cubic inches

First change the height into inches

1 foot = 12 inches

therefore 2 feet = 24 inches

Volume = Length * width * height

9000 = 25 * width * 24

9000 = 600 * width

width = 9000/600

width = 15 inches

width of one box = width of all boxes / number of boxes

width of one box = 15/12

width of one box = 1.25 inches

4 0
3 years ago
Use Cavalieri’s Principle to calculate the exact volume of an oblique cylinder with a radius of 15 meters and a height of 12 met
nignag [31]
Cavalieri's principle states that volume formulas for pyramids and cones will also apply to both right and oblique solids, a<span>s long as the "matching" cross section areas are equal. 

So we can use the formula V=bh regardless of the resulting shape. 
V = bh = </span>π(15 m)²(12 m) = 2700π m³ ≈ 8482.3 m³
8 0
3 years ago
Read 2 more answers
Find the area of the circle. round your answer to the nearest hundredths. the diameter is 2cm​
masha68 [24]

Answer:

3.14 cm squared

Step-by-step explanation:

First, identify the formula necessary to calculate the area of the circle.

Area of a circle = pi x r^2

Remember, the radius is just half of the diameter! Then to square a number, is to multiply it by itself once.

pi x 1^2 =?

pi x 1

Pi

The circumference of your circle is approximately 3.14 cm squared.

6 0
3 years ago
If sales is 6 percent how much would you pay for a tv that costs $700​
jolli1 [7]

Answer:

$746.

Step-by-step explanation:

Hello there!

700*0.06=46

Add a $46 sales tax to the list price of 700, and you're done!

:)

8 0
3 years ago
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