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2 years ago

What number is 5he same ratio to 64 as 5 is to 8

Mathematics

1 answer:

frosja888 [35]2 years ago

4 0

Answer:

Answer is 24 and 40.

Step-by-step explanation:

I'm not quite sure if i'm wrong i'm terribly sorry :(

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Brenda had bowling scores of 92, 110, 85, 78, and 96. She completed the steps below to determine the score she needs in her next

Yakvenalex [24]

Answer:

Hence final answer is B: Step 2.

Step-by-step explanation:

Step 1: Find the total points needed to score in six games: 96x6=576

Justification:

Product of 96 and 6 is 576 which is same number found by Brenda. So step 1 is correct.

Step 2: Find the total points scored: 92+110+85+78=365

Justification:

Sum of total points scored by Brenda is 92+110+85+78= 461.

But she got different value 365.

Hence step 2 is wrong.

Hence final answer is B: Step 2.

3 0

3 years ago

Read 2 more answers

The weekly earnings of students in one age group are normally distributed with a standard deviation of 47 dollars. A researcher

ELEN [110]

Answer:

Option D) 340

Step-by-step explanation:

We are given the following in the question:

Alpha, α = 0.05

Population standard deviation, σ = $47

Margin of error = 5

95% Confidence Interval:

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

$\text{Margin of error} = z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

$5 = 1.96(\dfrac{47}{\sqrt{n}} )\\\\\sqrt{n} = \dfrac{47\times 1.96}{5}\\\\n = 339.443776\\\Rightarrow n \approx 340$

Thus, the correct answer is

Option D) 340

7 0

3 years ago

The grades on the last history exam had a mean of 75%. Assume the population of grades on history exams is known to be normally

RUDIKE [14]

34% . Since going from 75% to 82% is simply the right portion of that middle, the answer is half of 68%, or 34%.

6 0

3 years ago

What is 2x + 3y -4 =? x = 2 , y =4

Vanyuwa [196]

Answer:

4X+12Y-4

Step-by-step explanation:

7 0

3 years ago

Give that each figure shown below is a trapezoid. Find the missing values.

Lyrx [107]

Answer:

EF=22

C=70°

B=110°

Step-by-step explanation:

Trapezoids have to have a total of 360° and there are complementary angles.

6 0

3 years ago