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3 years ago

15

sam thought of a number between ten and twenty then sam gave a clue when you count by twos and when you count by threes but not

when you count by fours what number is sam thinling of

1 answer:

tatuchka [14]3 years ago

8 0

Sorry I do not know the answer to that

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CAN SOMEONE PLEASE HELP ME!!!!!!!!!!!!!

antiseptic1488 [7]

Answer:

B

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

In the equation (x^2+y)^5, what is the coefficient of the term x^4y^3? what is the coefficient of the same term in the expansion

lys-0071 [83]

$\displaystyle
(x+y)^n=\sum_{k=0}^n\binom{n}{k}x^{n-k}y^k$

<em>-------------------------------------------------------------</em>

$\displaystyle
(x^2+y)^n=\sum_{k=0}^n\binom{n}{k}x^{2n-2k}y^k\\
n=5\\
k=3\\\\\binom{5}{3}=\dfrac{5!}{3!2!}=\dfrac{4\cdor5}{2}=10$

<u>It's 10.</u>

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

$\displaystyle
(3x^2+y)^n=\sum_{k=0}^n\binom{n}{k}(3x)^{2n-2k}y^k=\sum_{k=0}^n\binom{n}{k}\cdot 3^{2n-2k}\cdot x^{2n-2k}y^k\\\\
n=5\\
k=4\\\\
\binom{5}{3}\cdot3^{2\cdot5-2\cdot4}=10\cdot3^{2}=10\cdot9=90$

<u>It's 90</u>

6 0

3 years ago

Each bag of apples weighs 4 1/2 lb how much do 6 bags weigh?

Inessa [10]

Answer:

27 pounds

Step-by-step explanation:

You need to multiply 4.5 by 6.

Hope this helps.

7 0

3 years ago

The map below shows the location of 3 houses where you had to do lawn work today. Your truck gets 8 miles per gallon of gasoline

ryzh [129]

Answer:

4.18 dollars to drive 20 miles

Step-by-step explanation:

7 0

4 years ago

a recipe for lemonade calls for 1 cup of sugar and 5 cups of water. How much sugar is used per cup of water

lys-0071 [83]

0.20 of a cup of sugar is used per cup of water

8 0

3 years ago