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Anton [14]
3 years ago
12

I'm having trouble with this -9x + 4y = 55 -11x + 7y = 82

Mathematics
2 answers:
lubasha [3.4K]3 years ago
7 0

Answer:

Step-by-step explanation:

99x - 44y = -605

-99x + 63y = 738

19y = 133

y = 7

-9x + 28 = 55

-9x = 27

x = -3

(-3, 7)

Dominik [7]3 years ago
4 0
Y = 7 & x= -3 so the vertex is (-3,7)
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10 PTS :)
Elina [12.6K]

Answer:

C: Fold AX onto AB

Step-by-step explanation:

Let's draw a figure, so that you will understand the concept clearly.

We have to fold AX such that the side AX coincide with AB.

I have attached an image which visually represents this.

So the answer C. Fold AX onto AB.

Hope this will helpful.

Thank you.

3 0
3 years ago
!!HELP ASAP!! What is the surface area of the rectangular pyramid below?
creativ13 [48]

Answer:

D. 507 square units

Step-by-step explanation:

surface area of the rectangular pyramid

= area \: of \: base  + 4 \times area \: of \: one \:  \triangle \\  \\  =  {13}^{2}  +  4 \times \frac{1}{2}  \times 13 \times 13 \\  \\  = 169 + 2 \times 169 \\  \\  = 169 + 338 \\  \\  = 507 \:  {units}^{2}  \\

8 0
3 years ago
Lots took one hour to drive from his apartment to philips arena and back. the return drive took 8 minutes less than the trip to
noname [10]

The equation would use to determine how long he drove each way is 2x - 8 = 60.

<h3>What is the equation?</h3>

The equation is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are equal.

We have been given that Lots took one hour to drive from his apartment to Philips arena and back. the return drive took 8 minutes less than the trip to the arena.

Since the return trip took 8 minutes less, the complete equation must be written in minutes.

Here x - 8 represents the time it took to return to Philips Arena.

The total travel time, including both directions, was 60 minutes;

thus, add x and x - 8 and set them both equal to 60.

So 2x - 8 = 60

Therefore, the equation would use to determine how long he drove each way is 2x - 8 = 60.

Learn more about the equation here:

brainly.com/question/10413253

#SPJ4

6 0
2 years ago
HELP MEEEEE PLEASE I DONT UNDERSTAND THIS QUESTION?????
Vanyuwa [196]

Answer:

It's B

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A
pogonyaev

Check the picture below.

Make sure your calculator is in Degree mode.

4 0
2 years ago
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