3 years ago

Which problem shows how many groups of 9 are in 45?

Mathematics

1 answer:

vivado [14]3 years ago

4 0

answer is D

hope this helpzzzzz

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Eli's bedroom door is 9 feet tall and 3 feet wide. A new door is 2. 00 per square foot. How much would a new bedroom door cost i

Nataliya [291]

Answer: 54.00

Step-by-step explanation:

Door is 9 × 3= 27ft²

1ft² = 2.00

27ft²= 54.00

8 0

2 years ago

A city has a population of 210,000 people. Suppose that each year the population grows by 8%. What will the population be after

Ratling [72]

Answer:

in 13 years it will be at 432,480

Step-by-step explanation:

8 0

2 years ago

Ready

ki77a [65]

Answer:

Step-by-step explanation:

I think it is a strangely worded question as they only refer to the larger gear turning.

I believe that this is what they are going for.

Number of teeth passing in each revolution

The Numbers match when the large gear turns two times as the smaller gear turns three times.

3 0

3 years ago

Suppose you invest 1600 at annual interest rate of 7.9% compounded cont how much will u have after 10yrs

frez [133]

Answer:

B. $3525.43

Step-by-step explanation:

We will use continuously compound interest formula to solve our problem.

$A=P*e^{rT}$

A= Amount after T years.

P= Principal amount.

r= Interest rate (in decimal form).

e= The mathematical constant e.

T= Time in years.

First of all we will convert our interest rate in decimal form.

$7.9\text{ Percent}=\frac{7.9}{100}=0.079$

Now let us substitute our given values in above formula.

$A=1600*e^{0.079*10}$

$A=1600*e^{0.79}$

$A=1600*2.2033964262559365$

$A=3525.4342820094984\approx 3525.43$

Therefore, we will get an amount of $3525.43 after 10 years and option B is the correct choice.

8 0

3 years ago

What does 4.23×9 equal

nata0808 [166]

<span>4.23 times 9 equals 38.07 :)</span>

8 0

3 years ago

Read 2 more answers