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3 years ago

Tom is 13 years old. Brad is 10 yrs old. which number sentence can be used to find how much older Tom is than Brad

Mathematics

2 answers:

zysi [14]3 years ago

5 0

Answer:

is there a multipe choice?

serious [3.7K]3 years ago

5 0

Answer: 13-10=3

Step-by-step explanation:

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There are 12 marbles in a box. 8 are purple, and 4 are green. What is the probability of picking a purple marble and then a gree

Bad White [126]

Answer: 8/33

Step-by-step explanation:

So the probability of picking a purple marble is 8/12, after that there are 11 marbles left in the box

Now the probability of picking a green marble without placing the first marble back is 4/11

So the probability of doing both is 8/12 x 4/11 = 8/33

8 0

2 years ago

Find the savings plan balance after 2 years with an APR of 4% and monthly payments of $250. The balance is $ (Do not round until

alexdok [17]

Answer:

$6,506.51

Step-by-step explanation:

Recall that increasing an amount C in x% is equivalent to multiply it by (1+x/100)

As we have 4% APR, the monthly interest would be (4/12)% = 0.04/12

Month 0 (first payment)

$250

Month 1

$250 + 250 \frac{0.04}{12}= 250(\frac{12.04}{12})$

Month 2

$250(1+\frac{12.04}{12}+(\frac{12.04}{12})^2)$

Month 3

$250(1+\frac{12.04}{12}+(\frac{12.04}{12})^2+(\frac{12.04}{12})^3)$

Month 24 (2 years)

$250(1+\frac{12.04}{12}+(\frac{12.04}{12})^2+(\frac{12.04}{12})^3+...+(\frac{12.04}{12})^{24})$

The sum

$1+\frac{12.04}{12}+(\frac{12.04}{12})^2+(\frac{12.04}{12})^3+...+(\frac{12.04}{12})^{24}$

is the sum of the first 24 terms of a geometric sequence with common ratio $\frac{12.04}{12}$ which is

$\frac{1-(12.04/12)^{25}}{1-(12.04/12)}=26.02603071$

so, after 2 years the saving balance is

250*26.02603071 = 6,506.50767= $6,506.51 rounded to the nearest cent.

6 0

3 years ago

What are all of the different possible outcomes when two 4-sided dice are rolled?

Vinvika [58]

Step-by-step explanation:

first of all I don't think a 4 sided dice is even possible

but anyways

1 1

1 2 2 2

1 3 2 3

1 4 2 4

3 3 3 4

4 4

8 0

3 years ago

Resource managers need to determine the number of years after which purple loosestrife will cover more than 850 acres of the wet

AnnyKZ [126]

Answer:

500(1.2)^t>850

Step-by-step explanation:

PLATO!!

6 0

2 years ago

Read 2 more answers

1258 rounded to the nearest thousands

GarryVolchara [31]

The answer to your problem is 1300.

5 0

3 years ago

Read 2 more answers

Tom is 13 years old. Brad is 10 yrs old. which number sentence can be used to find how much older Tom is than Brad ​

Tom is 13 years old. Brad is 10 yrs old. which number sentence can be used to find how much older Tom is than Brad