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fgiga [73]
2 years ago
7

Can someone help me with one of these or both ?

Mathematics
1 answer:
kifflom [539]2 years ago
3 0

Answer: 280 for number 2

Step-by-step explanation: I think I ain’t not % sure

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Please help me with math !!
Setler [38]

Answer:

  • a) x = 4
  • b) y = 1.25x + 15
  • c) (-12, 0)

Step-by-step explanation:

a) PQ is parallel to the y-axis and contains point (4, 5).

<u>It means its equation is:</u>

  • x = 4

b) RQ is parallel to OP.

Parallel lines have equal slopes.

<u>Find the slope of OP:</u>

  • m = 5/4 = 1.25

RQ has slope of 1.25 and passes through (- 8, 5).

<u>Find its equation using point-slope form:</u>

  • y - 5 = 1.25(x - (-8))
  • y - 5 = 1.25x + 10
  • y = 1.25x + 15

c) <u>The x-intercept is determined at y = 0:</u>

  • 0 = 1.25x + 15
  • 1.25x = - 15
  • x = - 15/1.15
  • x = - 12
4 0
2 years ago
For a field trip, a highschool want to buy T-shirts and sweatshirts. The expression px + 29y repersents the cost of buying x T-s
marysya [2.9K]

Answer:

The value of p is $12.

Step-by-step explanation:

Given;

c = px + 29y ,,,,,,,,,,,,,,,,,,, (1)

Where;

c = cost of buying x T-shirts and y sweatshirts from the store

p = price of one or each T-shirt = ?

x = number of T-shirts bought

29 = price of one or each sweatshirt

y = number of sweatshirt bought

Based on the above breakdown, if each sweatshirt cost $17 more than a T-shirt, the value of p can be calculated as follows:

29 = p + 17

p = 29 - 17

p = 12

Therefore, the value of p is $12.

Additional note:

Note that this is not part of the question but it is just an example to make you understand the question better.

If we assume that 10 T-shirts and 10 sweatshirts are bought from the store, we can use equation (1) above to calculate the cost as follows:

Where;

c = cost of buying x T-shirts and y sweatshirts from the store = ?

p = price of one or each T-shirt = 12

x = number of T-shirts bought = 10

29 = price of one or each sweatshirt

y = number of sweatshirt bought = 10

Substituting the values into equation (1), we have:

c = (12 * 10) + (29 * 10)

c = 120 + 290

c = 410

Therefore, the cost of of buying 10 T-shirts and 10 sweatshirts from the store will be $410.

5 0
3 years ago
Is scale drawings and dilations similar? If so, how?
marshall27 [118]
A<span> <span>dilation </span></span><span><span>is a transformation that produces an image that is the </span><span>same shape </span><span>as the original, but is a </span><span>different size<span>.   </span></span>A dilation stretches or shrinks the original figure.   <span> 
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</span></span><span>http://www.virtualnerd.com/middle-math/ratios-proportions-percent/scale-drawings-models/scale-drawin...
^^^^^
will help</span>
4 0
3 years ago
Solve this expression given below:
Reika [66]

Answer:

2.9989054e+53

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
What is 712,156 written in expanded form?
lana [24]

Answer:

D

Step-by-step explanation:

You just look at the place values

PLZ vote my answer brainliest

7 0
2 years ago
Read 2 more answers
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