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4 years ago

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the number of girls is eight less than twice the number of boys in the ohs 10th grade class of three are a total of 121 tenth gr

aders at ohs how many of them are boys and how many of them are girls

1 answer:

Oksi-84 [34.3K]4 years ago

7 0

Eight less than. I hope this helped. Keep up the good work

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2.60

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4 years ago

3. A boy mixed 500g of sugar and 120g of salt in 106g of lime juice. What will be the

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lime juice = 106g

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3 years ago

Please help <br> What is the slope of a line that is parallel to the line shown?

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4 years ago

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The graph of y= e^x is transformed as showed in the graph below. Which equation represents the transformed equation

Goryan [66]

The parent function $y=e^x$ passes through the point $(0,1)$ , since $e^0=1$

Your function passes through the point $(0,4)$ , which means that the parent function has been translated 3 units up.

To translate a function vertically, you have to add a constant, i.e. you have to transform $f(x)\mapsto f(x)+k$

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3 years ago

Find the perimeter of quadrilateral PQRS with the vertices P(2,4), Q(2,3), R(-2,-2), and S(-2,3).

storchak [24]

Answer:

$P=16.53\ units$

Step-by-step explanation:

we know that

The perimeter of quadrilateral PQRS is equal to the sum of its four length sides

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

we have

the vertices P(2,4), Q(2,3), R(-2,-2), and S(-2,3)

step 1

Find the distance PQ

P(2,4), Q(2,3)

substitute in the formula

$d=\sqrt{(3-4)^{2}+(2-2)^{2}}$

$d=\sqrt{(-1)^{2}+(0)^{2}}$

$d=\sqrt{1}$

$dPQ=1\ unit$

step 2

Find the distance QR

Q(2,3), R(-2,-2)

substitute in the formula

$d=\sqrt{(-2-3)^{2}+(-2-2)^{2}}$

$d=\sqrt{(-5)^{2}+(-4)^{2}}$

$dQR=\sqrt{41}\ units$

step 3

Find the distance RS

R(-2,-2), and S(-2,3)

substitute in the formula

$d=\sqrt{(3+2)^{2}+(-2+2)^{2}}$

$d=\sqrt{(5)^{2}+(0)^{2}}$

$dRS=5\ units$

step 4

Find the distance PS

P(2,4), S(-2,3)

substitute in the formula

$d=\sqrt{(3-4)^{2}+(-2-2)^{2}}$

$d=\sqrt{(-1)^{2}+(-4)^{2}}$

$dPS=\sqrt{17}\ units$

step 5

Find the perimeter

$P=PQ+QR+RS+PS$

substitute the values

$P=1+\sqrt{41}+5+\sqrt{17}$

$P=6+\sqrt{41}+\sqrt{17}$

$P=16.53\ units$

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3 years ago