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MArishka [77]
3 years ago
13

A line with a negative slope intersects a horizontal line 3 units above the x-axis. Select each point that can not be the inters

ection of the two lines.

Mathematics
1 answer:
AnnyKZ [126]3 years ago
6 0

Step-by-step explanation:

Since both lines intersect each other 3 units above the x-axis, the y-value of the point of intersection must be 3.

Looking at the options, (-3, 5), (3, -2) and (0, -3) are all invalid points.

You might be interested in
Pls help me asap
Sergio [31]

Answer:

Answer: a) 15 + 12y b) 14y - 27xy^2 + 18y^3c) 12ar + 54abr - 120brSolution:a) 5x3 + 6x2y15 + 6 x 2y= 15 + 12yb) 7x2y - 27xy^2 + 18y^3=14y - 27xy^2 + 18y^3c) 6a2r + 54arb - 60b2r= 12ar + 54abr - 120br

Step-by-step explanation:

6 0
3 years ago
A fountain on a lake sprays water in a parabolic arch modeled by the equation
NikAS [45]
Hello,

Answer B (2.0017868263...feet)

We must foind the intersection of the line and the parabola:

- \dfrac{4}{10} x^2+3x= \dfrac{22}{49}x+ \dfrac{818}{490}\\
...\\
196x^2-1250x+818=0\\

x= \dfrac{1250- \sqrt{921188} }{392}\approx0.7403433860\\

y=-0.4*0.74034...^2+3*0.74034...\approx2.0017868263...


5 0
4 years ago
Which expression represents the calculation “subtract 4 from 12, then divided by 8”? A) 4 ÷ (12 − 8) B) (12 − 4) ÷ 8 C) (4 − 12)
Svetlanka [38]

The answer is B

As the question states that you need to "subtract 4 from 12" that means that you are taking 4 away from 12, so it would be 12-4.

Then it says to divide by 8. This means that for the subtraction to happen first, it must be withing parenthesis, so that would make the expression become

(12-4)÷8

6 0
3 years ago
What is the answer for -31 = 9+ 8x? Step by Step.
ryzh [129]

Answer:

<em>-5</em>

Step-by-step explanation:

-31=9+8x

we need to isolate the variable by moving 8x to the left side and -31 to the right side....therefore 8x becomes a negative, -8x, and -31 a positive....so now it would look like...

-8x=9+31

then we work the right side out...

-8x=40

to get x we need to divide -8x by 8 so we do the same to the right side as well....

-8x=40

÷8 ÷8

so...

<em>x=-5</em>

hope this helped you- have a good day bro cya)

4 0
3 years ago
A tent was marked up 150% from an original cost of $52. Last Friday, Ethan bought the tent and paid an additional 10% in sales t
Savatey [412]

Answer

Find out the  what was his total cost .

To prove

As given

A tent was marked up 150% from an original cost of $52.

Last Friday, Ethan bought the tent and paid an additional 10% in sales tax.

Than the equation becomes

150 % is written in the decimal form .

=\frac{150}{100}

= 1.5

10 % is written in the decimal form .

=\frac{10}{100}

= 0.1

cost of the tent when 150% marked up from origianl price = 1.5× 52

                                                                                                = $ 78


cost of the tent = origianl cost + 150% marked up from origianl price

                                  =  $52 + $78

                                  = $ 130

Sales price on the tent = $130 × 0.1

                                      = 13

Total cost of the tent = $130 + $13

                                  = $143

Therefore the cost of the tent is $143.

3 0
3 years ago
Read 2 more answers
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