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SSSSS [86.1K]
3 years ago
5

Find the quotient. Do not round. 22.14 ÷ 1.2 =

Mathematics
2 answers:
Murrr4er [49]3 years ago
7 0
18.45 would be your answer :)
Veronika [31]3 years ago
4 0
/£&38482&;’ W r wrrbakfje r fkcksnf
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The price of a holiday was decreased by 12% to £600. What was the price before
Naya [18.7K]

Answeidk i tried to read it but I dont getit

Step-by-step explanation:

5 0
3 years ago
Help needed! Can I get some help with two questions?
Elodia [21]

<u>Red</u>

This is a circle with center (h, k) at (0,0) and radius (r) = 6

Formula: (x - h)² + (y - k)² = r²

Answer: x² + y² = 36

***************************************

<u>Blue</u>

This is a circle with center (h, k) at (2,2) and radius (r) = 1

Formula: (x - h)² + (y - k)² = r²

Answer: (x - 2)² + (y - 2)² = 1

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<u>Green:</u>

This is a circle with center (h, k) at (-2,-2) and radius (r) = 1

Formula: (x - h)² + (y - k)² = r²

Answer: (x + 2)² + (y + 2)² = 1

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<u>Purple:</u>

This is an ellipse with center (h, k) at (0,-2) and radius on the x-axis (a) = 3 and radius on the x-axis (b) = 1

Formula: \frac{(x-h)^{2}}{a^{2}} +\frac{(y-k)^{2}}{b^{2}}=1

Answer: \frac{x^{2}}{9} +(y+2)^{2}=1

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<u>Black:</u>

This is a parabola with vertex (h, k) at (0,-6) and vertical stretch (a) = -1

Formula: y = a(x - h)² + k

Answer: y = -x² - 6


7 0
3 years ago
Weinstein, McDermott, and Roediger report that students who were givne questions to be answered while studying new material had
emmainna [20.7K]
<h2>Answer with explanation:</h2>

Let \mu be the population mean.

By considering the given information , we have

Null hypothesis : H_0: \mu=73.4

Alternative hypothesis :  H_a: \mu>73.4

Since alternative hypothesis is right-tailed , so the test is a right-tailed test.

Given : Sample size : n=16 , which is a small sample , so we use t-test.

Sample mean: \overline{x}=78.3  ;

Standard deviation: s=8.4

Test statistic for population mean:

t=\dfrac{\overline{x}-\mu}{\dfrac{s}{\sqrt{n}}}

i.e. t=\dfrac{78.3-73.4}{\dfrac{8.4}{\sqrt{16}}}\approx2.333

Using the standard normal distribution table of t , we have

Critical value for \alpha=0.01 : t_{(n-1,\alpha)}=t_{(15,0.01)}=2.602

Since , the absolute value of t (2.333) is smaller than the critical value of t (2.602) , it means we do not have sufficient evidence to reject the null hypothesis.

Hence, we conclude that we do not have enough evidence to support the claim that answering questions while studying produce significantly higher exam scores.

3 0
3 years ago
Hey bestie, here are some points :)<br> Smile more and stay hydrated fam.
exis [7]
Thank you so much, you too.
7 0
2 years ago
Read 2 more answers
What is 12,140 X 4.0
kondor19780726 [428]

Answer: 48560

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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