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Mathematics

1 answer:

Anvisha [2.4K]2 years ago

4 0

Answer:

The probability that a senior drives to school (in only 12th grade): 71.428...%

The probability that a senior drives to school (in sophomores, juniors, and seniors): 25%

Step-by-step explanation:

Feel free to ask if you have any questions.

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The population of Laredo, Texas, was about 215,000 in 2007. It was about 123,000 in 1990,

Gnom [1K]

$\text{Hello there!}\\\\\text{We're trying to find the rate of change of the population}\\\\\text{We see that the population increased over time, meaning that our rate of}\\\text{change would be positive}\\\text{We know that:}\\\\\text{In 2007 = 215,000 people}\\\\\text{In 1990 = 123,000 people}\\\\\text{Subtract 215,000 by 123,000}\\\\215000-123000= 92,000\,\text{increase in the population}\\\\2007-1990 = 17\,\text{years}\\\\\text{Divide 92,000 by 17}\\\\92000\div17=5,411.76\\$

$\text{Round to the nearest whole number:}\\\\5,412\\\\\boxed{\text{Rate of change: 5,412}}$

6 0

3 years ago

What is 7 decided by 410

nalin [4]

7 divided by 440

= 0.0159 to the nearest ten thousandth

4 0

4 years ago

Read 2 more answers

What is the answer to this

DerKrebs [107]

10x10 = 100 the entire square
but there is a 5x5 square that is not shaded so 100- 25 is 75 . The answer is 75 square feet

6 0

3 years ago

Read 2 more answers

If angle YWZ = 17, what is angle WXY?

marusya05 [52]

We know that

step 1
if ∡YWZ=17°
then
∡XWZ=17°*2-----> 34°----> because triangle XWY and triangle YWZ are congruents

step 2
∡WXY=∡WZY-------> because triangle XWY and triangle YWZ are congruents
we know that
<span>the sum of the internal angles of a triangle is 180 degrees
</span>so
180°=∡XWZ+2*∡WXY---------> ∡WXY=[180-∡XWZ]/2
∡WXY=[180-34°]/2-------> ∡WXY=73°

the answer is
∡WXY=73°

5 0

4 years ago

Choose the equation below that represents the line that passes through the point (7, -2) and has a slope of -3

Norma-Jean [14]

Answer:

Option C

Step-by-step explanation:

All of these equation have a slope of x=-3, as this is the only number that will be acompanied by an x (the slope of a function is the number on the equation that has an X). To know which one of this equations passes through the points (7;-2) we can supplant these numbers on each equation until the result at both sides are equals.

The correct answer is the option c, because if we supplant these numbers (x=7 and y=-2) on the equation, we get an equality.

$y + 2 = -3. (x - 7) // -2 + 2 = -3. (7 - 7) //0 = 0$

7 0

4 years ago