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2 years ago

You must be at least 4 feet tall to go on the ride

Mathematics

2 answers:

Sloan [31]2 years ago

5 0

91038482949394738393858 thank you

Fantom [35]2 years ago

3 0

Answer:

Yes

Step-by-step explanation:

Because it isn’t good to be safe and if you are too small do thing can go wrong so you don’t want to risk that

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Are these ratios equivalent?

Debora [2.8K]

<h3>Answer: Yes</h3>

========================================================

Explanation

The ratio 8:10 simplifies to 4:5 when you divide both parts by 2.

The ratio 16:20 simplifies to 4:5 when you divide both parts by 4

Therefore the two ratios 8:10 and 16:20 are both equal 4:5, so they are equal to one another.

------------

Put another way,

(8 large)/(10 small) = (16 large)/(20 small)

8/10 = 16/20

8*20 = 10*16 ... cross multiply

160 = 160

We get a true equation, so the first equation is true as well.

This shows the ratios are equivalent.

-------------

Or you could have...

(8 large)/(16 large) = (10 small)/(20 small)

8/16 = 10/20

8*20 = 16*10

160 = 160

We get the same conclusion as before.

3 0

2 years ago

HELPPPPP PLEASEEEEEE

Verdich [7]

A = 2(9*11) + 1/2(8*11) + 1/2(8 * 9)
A = 198 + 44 + 36
A = 278

Answer
B. 278 in^2

8 0

2 years ago

Divide.<br><br> (5/6)÷(−2/3)

SSSSS [86.1K]

Hii

The answer is - 1 1/4

Sorry if it incorrect

8 0

2 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

2 years ago

The graph shows the proportional relationship between the minutes Oliver

stepladder [879]

Step-by-step explanation:

Given

A proportional relation is given between minutes spend in reading and no of pages

Suppose we choose the point $(2,3)$ , It shows that 2 minutes is taken to read three pages.

Similarly, for point $(4,6)$ , It shows four minutes is taken to read 6 pages.

In this way, 6 minutes is taken for 12 pages.

8 0

2 years ago