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xenn [34]
2 years ago
7

When multiplying with decimals...

Mathematics
1 answer:
laiz [17]2 years ago
8 0

Answer:

A

Step-by-step explanation:

Decimal place can be counted before multiplying. The multiply number without decimals, when you get the answer add the decimal place back.

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What is the absolute value of -22
Bond [772]
The absolute value of a number is always positive. It is the distance the number is away from zero.
|-22| = 22
8 0
2 years ago
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A clock has a diameter of 16 inches. Which measurement is closest to the area of the clock in square inches? 804.25 in2 50.27 in
meriva

Answer:

200.96 in2

Step-by-step explanation:

Area of a circle = nr²

n = 3.14

r = radius

the diameter is the straight line that passes through the centre of a circle and touches the two edges of the circle.

A radius is half of the diameter

diameter = 2r

radius = 16 inches / 2 = 8 in

Area = 3.14 x 8² =  200.96 in²

3 0
2 years ago
ASAP<br>Find all solutions to the equation.<br><br><br>7 sin^2 x - 14 sin x + 2 = -5
matrenka [14]

Answer:

{-π/2, π/2}

Step-by-step explanation:

Rewrite this as:

7sin^2 x - 14sin x + 7 = 0.  Reduce this result by dividing all terms by 7:

sin^2 x - 2sin x + 1

Temporarily replace "sin x" with y:

y^2 - 2y + 1 = 0

Solve this through factoring:  (y - 1)^2 = 0, or y - 1 = ± 0, or y = ±1

Recalling that y = sin x, we write

sin x = ±1, whose solutions are sin x = 1 and sin x = -1

The solution of sin x = 1 is π/2 and that of sin x = -1 is -π/2

and so the solution set is {-π/2, π/2}

3 0
2 years ago
Can someone please help me answer this question
Allushta [10]

Answer:

720

Step-by-step explanation:

60 minutes in a hour. So add 30 for each 20 minutes so it would be 90 an hour so multiply 90 by 8

7 0
2 years ago
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Trouble finding the volume PLEASE HELP. Show work too
Mama L [17]

Answer:

width is given, 7 m

height =4m

volume = L× B×H

find the length by applying Pythagoras in the top face.

i.e. L=√(25²-7²)=24m

V=7×4×24=672m³

6 0
3 years ago
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