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dedylja [7]
3 years ago
11

Selma wants to know if seventh grade students prefer to do their math homework in silence or with background music. She polled

Mathematics
1 answer:
rewona [7]3 years ago
3 0

Answer:

the answer C. convenience sampling

Step-by-step explanation:

i just took a test

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2x^3+5x^2-10 if x=-2
avanturin [10]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Let's evaluate :

  • {2x}^{3}  + 5x {}^{2} - 10

  • 2( - 2) {}^{ 3}  + 5( - 2) {}^{2}  - 10

  • (2 \times  - 8) + (5 \times 4) - 10

  • - 16 + 20 - 10

  • - 26 + 20

  • - 6

6 0
3 years ago
Read 2 more answers
Solve for x by factoring<br> x^2 + 2x = 24<br><br> Please help
ryzh [129]
= 4

= -6
HOPE THIS HELP ^_^
5 0
2 years ago
Factor 15x^2+20x that's my question
liq [111]
Factor out the GCF
15x^2+20x

15x^2/5x= 3x
20x/5x= 4

Final answer: 5x(3x+4)
8 0
3 years ago
If the high tide was 18 feet and the low tide was 3 feet, what is the tidal range?
grin007 [14]

Answer: to get range you subtract the largest and smallest numbers. so 18-3= 15 therefor, 15 is the range.

Hope this helps :)

7 0
3 years ago
Which equation is represented by the graph below ?
kotegsom [21]

The equation that represent the graph is  y = (1/2)eˣ , Option B is the correct answer.

<h3>What is an Exponential Function ?</h3>

An exponential function is what is denoted as y = eˣ

The graph has to be studied and the equation has to be determined.

To determine we will consider x = 0 for all the equation ,. which will give the y intercept , which is below 1 so Option C and D are stroked out.

Now we plot the graph for equation A and B

It can be easily understood from the graph that at x =0 , y = 0.5

Therefore , the equation that represent the graph is

y = (1/2)eˣ

Option B is the correct answer.

To know more about Exponential Function

brainly.com/question/11487261

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5 0
2 years ago
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