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ivann1987 [24]
3 years ago
9

Rudy took a test and earned a 92%. Camilo earned a 88% on the same test. If Rudy answered 46 questions correctly, how many more

questions did he answer correctly than Camilo?
Mathematics
1 answer:
Elina [12.6K]3 years ago
7 0
2 questions were answered correct
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To the nearest tenth, what is the area of a circle whose diameter is 9 feet? Use 3.14 for π . Enter your answer in the box.
Rus_ich [418]
A=3.14*4.5^2=63.585=63.6
8 0
3 years ago
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9. A rectangle has a length 2 ft less than three times its width. What is the area of the rectangle when its
Burka [1]

Answer:

Area = 8 square ft

Step-by-step explanation:

Area of a rectangle = Length × width

suppose length = x

width  = y

Here it is given that  x = 3 y - 2

             width is given as y = 2 ft

            ∴ x = 3 × 2 -2

              x = 6 -2

              x = 4

 Area of rectangle = length × width

                              A = 4 × 2

                                 = 8 square ft

4 0
3 years ago
Can anyone math experts help and guide me through these questions❓
Lubov Fominskaja [6]

Step-by-step explanation:

The volume of a cube is

a {}^{3}

where a is the side length,

Note: If you want to remember this formula, know that a cube is basically a bunch of squares stacked on one another vertically and horizontally

The area of a square with side length a, is

{a}^{2}

If we multiply that by the height of the cube, which is a.

{a}^{2}  \times a =  {a}^{3}

That is the easy way to derive the formula of the volume of a cube.

Back on track, we know the volume so we must solve for a.

1.

125 =  {a}^{3}

Assuming you took algebra, to isolate the variable a, we must undo it being raised to the third power.

To do this, we take the cube root of both sides

\sqrt[3]{125}  =  \sqrt[3]{a {}^{3} }

The cube root of 125 is 5 so

5 = a

5 cm

2.

8 =   {a}^{3}

\sqrt[3]{8}  =  \sqrt[3]{ {a}^{3} }

2 = a

2 ft

3.

343 =  {a}^{3}

a = 7

7 yd

4.

1000 = a {}^{3}

10 = a

10 mm

5.

1728 =  {a}^{3}

a = 12

12 in. or 1 ft

6.

1 =  {a}^{3}

a = 1

1 m

4 0
2 years ago
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Rohan and Amit can build a tank in 12 days while Amit and Sohan in 15 days and Rohan and Sohan in 20 days. How long would each t
kolezko [41]

Answer:

Rohan-6

amit-6

sohan-9

Step-by-step explanation:

12/2=6 rohan And amit

amit=6 so solan has to take 9

10

4 0
2 years ago
Is -123/45 an irrational number
Lilit [14]

Step-by-step explanation:

Yessss

7 0
3 years ago
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