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3 years ago

What is 2p + 3 = 7 What is 3t + 10 = 16

1 answer:

6 0

2p + 3 = 7

2p = 7 - 3

2p = 4

p = 4/2

p = 2

3t + 10 = 16

3t = 16 - 10

3t = 6

t = 6/3

t = 2

I hope this helps.

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PLEASE ANSWER AND EXPLAIN I’LL MARK BRAINLIEST

levacccp [35]

Answer:

$x = 1$

$y = -2$

Step-by-step explanation:

Given

$2x - 3y = 8$

$4x + 3y =-2$

Required

x and y

Add both equations to eliminate y

$2x + 4x - 3y + 3y = 8 - 2$

$6x = 6$

Divide both sides by 6

$x = 1$

Substitute $x = 1$ in the first equation

$2x - 3y = 8$

$2 * 1 - 3y = 8$

$2 - 3y = 8$

$-3y = 8 - 2$

$-3y = 6$

Divide by -3

$y = -2$

5 0

3 years ago

How do I get the Central angle?

melamori03 [73]

Answer:

199.8°

Step-by-step explanation:

The circle has radius r = 7 ft.

Now, the circumference of the circle is given by the formula C = 2πr

So, $C = 2 \times \frac{22}{7} \times 7 = 44$ ft.

Now, 44 ft arc length is equivalent to 360°

Hence, 24.42 ft arc length is equivalent to $\frac{360}{44} \times 24.42 = 199.8$ degree.

Therefore, the central angle is 199.8° (Answer)

3 0

4 years ago

The minute hand of a clock is 8 inches long. How far does the tip of the minute hand move in 30 minutes? How far does it move in

Brrunno [24]

Answer:

In 30 minutes:

The minute hand moves a distance of 25.13 inches

In 20 minutes:

The minute hand moves a distance of 16.76 inches

Step-by-step explanation:

When 60 minutes are completed, the minute hand of the relog makes a complete revolution. The distance s that the minute hand travels when making a complete revolution is:

$s = 2\pi r$ Where r is the radius of the circumference, and in this case, the radius of the minute hand.

So:

$s = 16 \pi$

s = 50.27 inches.

In 30 minutes (which is half of 60) the minute hand covers only half a revolution. Then the distance traveled in 30 minutes is $\frac{1}{2}(s) = 25.13$ inches

In 20 minutes (which is one third of 60) the minute hand only travels a third of a complete revolution. Then the distance traveled in 20 minutes is $\frac{1}{3}(s) = 16.76$ inches

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3 years ago

The price of a box of cereal was $2.00 at the beginning of a year. At the end of the year, he price of a box of the same type of

Rasek [7]

You want to find the percent change, so what you do is subtract the curretn price to the original price so , 3-2= which equals 1. once you get 1, you divide it by the original number to get the fraction representing the percent. so 1/2. when you divide 1 by 2 you get .5, to change it to a percent you move the decimal 2 times to the right or multiply by 100. so .5 turns to 50 and you add the percent sign, 50%.

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4 years ago

Mrs. King has a stack of papers to grade that contains 12 boy's papers and 8 girl's papers. What is the probability that the fir

igor_vitrenko [27]

Ok...let’s get started!
12 boys and 8 girls
That means that there are 20 kids!
12/20 is equal to 60%
There is a 60% chance that the first paper will be a boys
Please tell me if this is incorrect

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3 years ago