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2 years ago

Find the slope of the line that goes through the two points. (6,7) (-2,11)

Mathematics

1 answer:

Alla [95]2 years ago

3 0

Answer:

-1/2

Step-by-step explanation:

The equation for slope is (y2-y1)/(x2-x1).

Plug in the values given in the problem

(11-7)/((-2)-6)

Then simplify

4/(-8)=-1/2

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It was recently estimated that females outnumber males by about three or two. If there are 1770 people in a county, how many of

max2010maxim [7]

GIVEN

1) Females outnumber males by 3 to 2.

2) There are 1770 people in the city.

SOLUTION

Let the number of males be x and the number of females y. Therefore, the total number of people can be written to be:

$x+y=1770\text{ -----------(1)}$

If there are 3 females for every 2 males, we have that:

$\begin{gathered} \frac{y}{3}=\frac{x}{2} \\ \therefore \\ x=\frac{2y}{3}\text{ ----------(2)} \end{gathered}$

We can substitute equation (2) into equation (1) and solve for y:

$\begin{gathered} \frac{2}{3}y+y=1770 \\ \frac{2y+3y}{3}=1770 \\ 5y=1770\times3 \\ 5y=5310 \end{gathered}$

Dividing both sides by 5, we have

$y=1062$

There are 1062 females in the county.

3 0

1 year ago

Write 25/20 as a percentage

kolezko [41]

125% my guys im sorry if its wrong :(

5 0

2 years ago

Read 2 more answers

Ashley is making $500 a week at her job. she receives a 20% pay rise. a year later she takes a 5% pay cut. how much does she mak

aleksandrvk [35]

Answer:

Ashley is making $570 a week

Step-by-step explanation:

500 + 20%= 600

600-5% =570

3 0

3 years ago

Please Help Algebra II

harkovskaia [24]

The student buys 3 small notebooks and 3 large notebooks

8 0

3 years ago

Maulik bought two horses at Rs 40,000 each. He sold one horse at 15% gain, but he to sell the second horse at a loss. If he had

givi [52]

Answer:

Answer is selling price of second horse is Rs 30400.

Step-by-step explanation:

Maulik bought one horse at Rs 40000 and sold it with a gain of 15%

So the selling price of one horse will be 40000+15% of 40000

= 40000+6000

= Rs 46000

Second horse is costing Rs 40000 and had suffered a loss of Rs 3600 on selling both so selling price of both will be = 40000×2-3600

= 80000-3600

= 76400

Now selling price of second horse will be selling price of both - selling price of first = 76400-46000 = Rs 30400

8 0

3 years ago

Read 2 more answers