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Norma-Jean [14]

3 years ago

11

Answer is u know pleaseeeee

2 answers:

sergejj [24]3 years ago

6 0

<h3>Answer: B. (1,2)</h3>

Explanation:

We're looking for a point where the x coordinate isn't already taken or used up.

In the original set of points, we have the x values -3, 8, 0, and -5 taken. We cannot use them for other points. This is because any x value must go to exactly one y value.

So for instance, if we pick (-5,10) to put into the set, then x = -5 would repeat itself. We would have x = -5 map to y = -14 and y = 10 at the same time. But this means we don't have a function. So we can rule out choice A.

Choices C and D are ruled out for similar reasoning.

Only choice B has an x coordinate where x = 1 wasn't used earlier.

Alex17521 [72]3 years ago

5 0

Answer: it d mabe

Step-by-step explanation:

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Whoever has the best answer gets brainlyest

laiz [17]

Answer:

8 5/12 is closer to 8

31 1/6 is closer to 31

Step-by-step explanation:

7 0

3 years ago

In need of major help right now..<br><br>(I answered B)

Mkey [24]

A. 18 - 25 because 29% plus 23% equals 52%

7 0

3 years ago

Read 2 more answers

The area of two similar triangles are 50dm^2 and 32dm^2. The sum of their perimeters is 117dm. What us the perimeters of each of

Kay [80]

Answer:

Perimeter of one triangle is 65 dm

Perimeter of other triangle is 52 dm

Step-by-step explanation:

Please remember the concept

If sides are in the ratio of a:b

Then the area in the ratio of $a^{2} :b^{2}$

It is given sum of their perimeter is 117.

Let the small triangle has perimeter as x.

So, perimeter of big triangle is 117-x.

So, we can set up equation as

$\frac{50}{32} =\frac{x^{2} }{(117-x)^{2} }$

Cross multiply

50(117-x)^2 =32x^2

Expand the left side

50 $(13689 -234x+x^{2} )$ = $32x^{2}$

Distribute the left side

684450-11700x+ $50x^{2}$ = $32x^{2}$

Subtract both sides $32x^{2}$ and rewrite it $18x^{2} -11700x+684450=0$

Solve this quadratic for x.

Divide both sides of the equation by 18 to simplify.

$x^{2}$ -650 x+38025=0

Now, if possible let's factor

Find two integers whose multiplication is 38025 but adds to -650.

-65 and -585 works.

So, we can rewrite it as

(x -65)(x-585) =0

Solve them using zero product property

x=65, x=585

So, x=65 works here.

So, perimeter of one triangle is 65 dm

Perimeter of other triangle is 117-65= 52 dm

5 0

3 years ago

Select the correct numerator 7/9 - ?/27

damaskus [11]

Answer:

21

Step-by-step explanation:

27÷3 is 9 and 21÷3 is 7

7 0

3 years ago

Ivan rented a truck for the day. There is a base fee of $17.95, and there was an additional charge of 91 cents for each mile dri

lozanna [386]

Answer:

293 miles

Step-by-step explanation:

284.58-17.95=266.63

266.63/0.91=293

293 miles

7 0

3 years ago