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3 years ago

Solve - 2a - 5 > 3.

Mathematics

1 answer:

Oksanka [162]3 years ago

4 0

Answer:

The answer is -6-5-4

Step-by-step explanation:

Its a 3 by 3 negative

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Henry know that the circumference of a circle is 18 pie inches. What is the area of the circle?

Leto [7]

Answer:

B: 81π inches

Step-by-step explanation:

The formula for the circumference of a circle is C = πd and the formula for the area of a circle is A = πr²

The formula for the circumference of a circle can also be written as C = 2πr since the diameter is equal to double the radius (d = 2r)
So we need to solve for r since that is the variable we are missing in order to solve for the area

Plugging in our known values to the circumference formula we have:

18π = 2πr
Then dividing both sides by 2π we have 9 = r

Now that we have solved for the radius, we can plug in this value to the area formula:

A = π(9)² = 81π in

3 0

4 years ago

What is the sequence 8, 16, 24, 64,

Marat540 [252]

Answer:8x2 or the multiples of 8

Step-by-step explanation:

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3 years ago

On average, a major earthquake (Richter scale 6.0 or above) occurs three times a decade in a certain California county. Find the

ahrayia [7]

Correct answer should be D

8 0

3 years ago

Help me please !! i need the answer

madam [21]

Answer:

$PQ=22\\\\QR=7\\\\PR=29$

Step-by-step explanation:

To find the value of y, you can create an equation where two parts of the line are equal to the whole line:

$PQ+QR=PR$

Substitute given values:

$(8y+6)+(y+5)=(19y-9)$

Solve for y. Simplify parentheses:

$8y+6+y+5=19y-9$

Combine like terms to simplify the equation:

$8y+y+6+5=19y-9\\\\9y+11=19y-9$

Get the variable on one side of the equation and the constants on the other. Add 9 to both sides:

$9y+11+9=19y-9+9\\\\9y+20=19y$

Subtract 9y from both sides:

$9y-9y+20=19y-9y\\\\20=10y$

Isolate the variable. Divide both sides by 10:

$\frac{20}{10} =\frac{10y}{10} \\\\y=2$

The value of y is 2. Insert this value into each line segment value and solve:

$PQ=8(2)+6\\\\PQ=16+6\\\\PQ=22$

$QR=(2)+5\\\\QR=7$

$PR=19(2)-9\\\\PR=38-9\\\\PR=29$

:Done

You can check by using:

$PQ+QR=PR\\\\22+7=29$

This statement is true, so the values are correct.

7 0

3 years ago

Which expression is equivalent to 1/4n − 16?

Allushta [10]

1/4n - 16 =
1/4(n - 64)

8 0

3 years ago

Read 2 more answers