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2 years ago

12

Brett wants to conduct a survey about who stays for after-school activities at his school. Who should he ask?

2 answers:

rewona [7]2 years ago

3 0

Answer:

every 10th student entering the school

Step-by-step explanation:

Rom4ik [11]2 years ago

3 0

Answer:

football team

Step-by-step explanation:

they stay after school for activity

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4x^2-5x-15=0 how to find the vertex and y intercept

mezya [45]

$ax^2+bx+c=0\\\\the\ vertex:\left(\frac{-b}{2a};\frac{-(b^2-4ac)}{4a}\right)\\\\y-intrcept=c\\=======================================\\\\4x^2-5x-15=0\\\\a=4;\ b=-5;\ c=-15\\\\\frac{-b}{2a}=\frac{-(-5)}{2\cdot4}=\frac{5}{8};\ \frac{-(b^2-4ac)}{4a}=\frac{-[(-5)^2-4\cdot4\cdot(-15)]}{4\cdot4}=-\frac{265}{16}\\\\\boxed{the\ vertex:\left(\frac{5}{8};-\frac{265}{16}\right)}\\\\\boxed{y-intercept:-15}$

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3 years ago

The GCF of 24 and 32 is

Oksana_A [137]

Start by setting up a factor tree for each number.

Factor in anyway that you'd like.

At the end, circle all prime numbers.

Remember, prime numbers are numbers

with only 2 factors, 1 and the number itself.

Now write these factors in least to greatest

multiplying them separate rows.

Circle factors they have in common.

Since 3 pairs of two's match up, multiply by 2 three times to get 8.

So the GCF is 8.

4 0

3 years ago

Read 2 more answers

Santos walks 2 kilometers south and then a certain number of kilometers east. He ends 5 kilometers away from his starting positi

IgorLugansk [536]

Answer:

$\sqrt{21}\ km$ or $4.58\ km$

Step-by-step explanation:

we know that

Applying Pythagoras' Theorem, calculate how many kilometers eastward Santos walked

so

Let

x----> quantity of kilometers eastward that Santos walked

$x^{2}=5^{2}-2^{2}$

$x^{2}=21$

$x=\sqrt{21}\ km$ ----> exact value

$\sqrt{21}=4.58\ km$ -----> approximate value

6 0

3 years ago

Read 2 more answers

Vicky made a recipe for 144 fluid ounces of scented candle wax how many one cup candle molds can she fill with the recipe

san4es73 [151]

Well,

1 cup= 8 oz.

If there is 144 ounces...'

Divide 8 into 144

144 divided by 8=

18

She can make 18 cups...

Hope this helps :)

3 0

2 years ago

1 minus the quotient of r and 7 in algebraic expression

tankabanditka [31]

Answer:

1-(r÷7) or r÷7-1

Step-by-step explanation: Quotient is the result of a division problem.

4 0

3 years ago