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Tems11 [23]
4 years ago
14

BRAINLIEST ASAP! PLEASE HELP ME :)

Mathematics
2 answers:
ch4aika [34]4 years ago
5 0

Answer:

First answer.

Step-by-step explanation:

We know that a complete rotation would be 360°. If the figure is being rotated 90°, this is a quarter of a complete rotation.

When looking at the given answers, only the first answer seems logical.

nika2105 [10]4 years ago
5 0
A.) is the correct answer.
Explanation: try turning your phone 90 degrees (not a full 380, just 1/4 of that 380) CLOCKWISE.
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Two fifths of the children in the nursery were boys. What was the ratio of boys to girls in the nursery?
Shtirlitz [24]
The answer would be 2:3
6 0
4 years ago
The figure shows a cylinder of diameter 12cm and height = 15cm. A hole in the shape of cone is bored into one of its end. If the
Lisa [10]

Answer:

\bold{495\pi} \approx \bold{1555.088 cm^3}

Step-by-step explanation:

There was no figure but the question is clear

Volume of a cylinder is given by the formula \bold{\pi r^2h}\\

where r is radius of base of cylinder, h is the height

Volume of a cone is given by \bold{\frac{1}{3} \pi r^2 h}

where r is the radius of base of cone, h is the height

The radius of the cylinder = \frac{1}{2}(diameter) = \frac{1}{2}(12) = 6cm

Height of cylinder = 15cm

Volume of cylinder V_{cyl} = \pi (6)^2  15 = \pi (36)15 = \bold{540\pi}

Radius of cone = \frac{1}{2} (radius of cylinder) = \frac{1}{2}(6) = 3 cm

Height of cone same as height of cylinder = 15cm

Volume of cone, V_{cone} = \frac{1}{3}\pi r^2 h = \frac{1}{3}\pi (3)^2 15 =  \frac{1}{3}(9)15\pi = \bold{45\pi}\\


Difference is the volume of the remaining solid

V_{cyl} - V_{cone} = 540\pi - 45\pi = \bold{495\pi} \approx \bold{1555.088 cm^3}



5 0
2 years ago
Annie buys some greeting cards. Each card costs $1.75. She pays with a twenty dollar bill.
zaharov [31]

Answer:

Step-by-step explanation:

7 0
3 years ago
The height of a window is 0. 6 feet less than 2. 5 times its width. If the height of the window is 4. 9 feet, which equation can
liubo4ka [24]

The equation which is used to determine x, the width of the window is, 2.5x- 0.6 = 4.9.  Option B shows the correct expression for width x of the window.

<h3>What are length and width?</h3>

Length is describing how long is the object. The width is defined as how wide is the object.

Given that the width of the window is 4.9 feet. The length is given as 0.6 feet less than 2.5 times its width.

The height of the window is given as,

H = 4.9

The other height of the window is given as,

H = 2.5 x - 0.6

When equating both equations, we get,

2.5x- 0.6 = 4.9

Therefore, an equation which is used to determine x, the width of the window is, 2.5x- 0.6 = 4.9.  Option B shows the correct expression for width x of the window.

To know more about the length and width, follow the link given below.

brainly.com/question/3133832.

3 0
2 years ago
Someone please help me!!!!11
serious [3.7K]
The U stands for union. Combine A and B


Hope that helps!!
4 0
3 years ago
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