(I screenshot my question and choices. can you please help D: )

Answers

Answer 1

Answer: ratio
if 13.3:9.5=2.52:1.8 then they ar similar

we do
13.3/9.5=2.52/1.8?
1.4/1=1.4/1

ratio is 1.4:1 or invert 1:1.4

answer is 2nd choice

yes; 1:1.4

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The brain has 100 billion brain cells. If you counted each cell at 1 per second, how long would it take you to count all 100 billion cells?

Answers

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Owen’s grandmother put some money into his savings account on the day he was born. Today, Owen turns 18 years old, and he’s discovered that he has earned $225 in simple interest on his grandmother’s money. If the yearly interest rate was 5%, how much money did his grandmother deposit at the time of his birth?

Answers

Answer:

Step-by-step explanation:

The formula for simple interest is prt = I, where p is the initial investment (our unknown in this case), r is the interest rate in decimal form, t is the time in years, and I is the interest earned. That is NOT the same as the amount of money in the account t years later.

For us,

p = ??,

r = .05,

t = 18, and

I = 225.

Filling in:

p(.05)(18) = 225 and

.9p = 225 so

p = 250

Answer:

The answer is $250.

Step-by-step explanation:

First, the money that his grandmother deposited is called the principal, P. Substitute the given values into the formula, interest equals principal times rate times time, and solve for P. Here, I is 225 dollars and t is 18 years.

Next, the percent given represents the interest rate, r, but first it must be changed to a decimal. To change it, move the decimal point 2 places to the left.

Now, multiply point 0, 5, and 18 to simplify the right side of the equation. The product is point nine.

Finally, divide both sides of the equation by .9 . The result is P equals $225 The principal, or original deposit, is $250.

Gustavo created a four-part spinner to represent the four prizes that he had an equal chance of winning: a video game system, a bicycle, a watch, and a gift card. He spun the spinner several times to demonstrate the likelihood of winning a certain prize. What is true about Gustavo’s data collection?
Gustavo used an experiment where the data is qualitative.
Gustavo used an experiment where the data is quantitative.
Gustavo used a simulation where the data is qualitative.
Gustavo used a simulation where the data is quantitative.

Answers

Your answer should be C which is the third option

Answer:

The answer is C i just took the test

Step-by-step explanation:

Find the missing angle.
Round to the nearest whole degree.

Answers

Answer:

θ = 37°

Step-by-step explanation:

The missing angle is θ

cos θ = 4/5

cosθ = 0.8

Using a calculator:

cos^(-1)(0.8) = 36.86≈ 37°

so θ = 37°

Use benchmarks to estimate the sum, difference, or product.3. 15/16 1/6
a. 3
b. 1 1/2
c. 2
d. 1

Answers

my opinion is d/1 okay and i did not understand

Correct or incorrect? the difference of two numbers is always less than at least one of the numbers

Answers

the answer is "correct"

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