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3 years ago

9

Mrs. Stanley’s class is going on a field trip in 5 days. Sixty-three students will go in cars and a bus. If there are 4 students

in each of the 6 cars that are going, how many students will ride on the bus.

1 answer:

elena-14-01-66 [18.8K]3 years ago

5 0

Answer:

39

Step-by-step explanation:

6 * 4 is 24 so 63-24=39. so 39 students will ride on the bus. hope this helps ;)

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Tara stayed at the Merry Mountain campgrounds last weekend. She paid a rental

Nezavi [6.7K]

Answer:

she will pay $19 for each day

Step-by-step explanation:

94-18=76

76÷4=19

6 0

3 years ago

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

4 years ago

X 2 +10x+22=13x, squared, plus, 10, x, plus, 22, equals, 13 1) Rewrite the equation by completing the square. Your equation shou

Masteriza [31]

Answer:

(x + 5)^2 = (5 - 3)^2

Step-by-step explanation:

Given the equation;

x^2 + 10x + 22 = 13

We have;

x^2 + 10x = 13 - 22

x^2 + 10x = -9

Adding half of 10 to both sides and completing the square as usual, we have;

(x + 5)^2 = 5^2 + (-9)

(x + 5)^2 = (5 - 3)^2

5 0

3 years ago

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What is the solution to the proportion 3y-8/12=y/5? can someone help me do this?

RideAnS [48]

$\displaystyle\\
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5(3y-8)=12y\\\\
15y-40=12y\\\\
3y = 40\\\\
\boxed{y = \frac{40}{3}}$

3 0

3 years ago

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The width of the rectangle below is 9 cm, and its length is 17

Orlov [11]

Answer:

Area=153 cm²

Step-by-step explanation:

Length × Width= Area

17×9=153

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3 years ago

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