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Allisa [31]
2 years ago
15

Jackie wants to buy a digital camera that sells for $250. She has $120 saved. What percent of the cameras price has she saved?

Mathematics
2 answers:
lana66690 [7]2 years ago
6 0
To determine the percent of change, divide 120/250 =0.48 then divide the answer by 100 =48%
I hope this helped
taurus [48]2 years ago
3 0
Answer: 48%

Divide 120 by 250 and you get .48, making it 48%
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Mhanifa can you please help! I really need it and I don’t want random answers. I will mark brainliest! Thanks!
exis [7]

Answer:

<h3>Q1</h3>

<u>Use slope formula</u>

  • m = (y2 - y1)/(x2 - x1)
  • m = (-2 - 6)/(3 - 7) = -8 / -4 = 2
  • m = 2
<h3>Q2</h3>

Angles 2 and 6 are on the corresponding sides of the parallel lines, hence are corresponding angle

<u>Correct option is </u>

  • A. Corresponding
<h3>Q3</h3>

Congruent triangles have congruent corresponding parts

  • ΔABC ≅ Δ GHI
  • AB≅GH
  • AB = GH = 13

<u>Correct choice is</u>

  • B. 13
<h3>Q4</h3>

Option b is correct for any line and doesn't make the lines parallel. The rest of the options are correct for parallel lines.

<u>Correct option is the last one:</u>

  • a, c & d
3 0
2 years ago
Assume that adults have iq scores that are normally distributed with a mean of 100 and a standard deviation of 20. if all iq sco
Svetlanka [38]

Let X be the iq score of adults. X is normally distributed with mean of 100 and standard deviation of 20.

If all iq scores are converted to z -scores then we will get z scores. And the z score is standard normal variable with mean=0 and standard deviation =1

Hence the mean and standard deviation of of all z scores will be 0 and 1 respectively.

6 0
3 years ago
210÷5 first u break it down and divide it step by step and it =42
Artyom0805 [142]
That is the correct answer
6 0
2 years ago
Prove that 1+cosA/sinA + sinA/1+cosA=2cosecA
Alla [95]
\frac{1+cos\alpha}{sin\alpha}+\frac{sin\alpha}{1+cos\alpha}=2cosec\alpha\\\\L=\frac{(1+cos\alpha)(1+cos\alpha)+sin\alpha\cdot sin\alpha}{sin\alpha(1+cos\alpha)}=\frac{1+2cos\alpha+cos^2\alpha+sin^2\alpha}{sin\alpha(1+cos\alpha)}\\\\=\frac{1+2cos\alpha+1}{sin\alpha(1+cos\alpha)}=\frac{2+2cos\alpha}{sin\alpha(1+cos\alpha)}=\frac{2(1+cos\alpha)}{sin\alpha(1+cos\alpha)}\\\\=\frac{2}{sin\alpha}=2\cdot\frac{1}{sin\alpha}=2cosec\alpha=R
5 0
3 years ago
Two school groups go to a roller skating rink. One group pays $243 for 36 admissions and 21 skate rentals. The other group pays
Masteriza [31]

Answer:

No

There are infinitely many solutions to the system.

{36x+21y=24312x+7y=81

Multiply the second equation by 3.

3(12x+7y36x+21y=81)=243

Subtract this new equation from the first equation.

36x+21y−(36x+21y0+0=243=243)=0 true

7 0
2 years ago
Read 2 more answers
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