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3 years ago

5

According to a survey, 60 sixth grade students at Madison Middle School attended a summer camp. This is 30% of the entire sixth

grade. How many students are in the sixth grade?

1 answer:

olya-2409 [2.1K]3 years ago

3 0

Answer:

30% = 60

10% = 60/3 = 20

100% = 200

Step-by-step explanation:

total is 200

can i get the crown things (i dont know wut there called)

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There are 12 pizzas on a table for a birthday party.

Rom4ik [11]

Answer:

120 slices

Step-by-step explanation:

We are given that each slice is 1 over 10 of a pizza, so there are 10 slices per pizza (because the denominator represents the total amount of pieces). Since there are 12 pizzas, 12 x 10 = a total of 120 slices.

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malfutka [58]

Answer:

4^18

Step-by-step explanation:

4^18 = 2^36

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Please visit: https://youtu.be/_0Ft9HdNg5c

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3 years ago

For what values of q are the two vectors A = i + j + kq each other and B-iq-23 + 2kg perpendicular to

Sloan [31]

Answer:

The value of q are 0.781,-1.281.

Step-by-step explanation:

Given : Two vectors $A=i+j+kq$ and $B=iq-2j+2kq$ are perpendicular to each other.

To find : The value of q ?

Solution :

When two vectors are perpendicular to each other then their dot product is zero.

i.e. $\vec{A}\cdot \vec{B}=0$

Two vectors $A=i+j+kq$ and $B=iq-2j+2kq$

$(i+j+kq)\cdot (iq-2j+2kq)=0$

$(1)(q)+(1)(-2)+(q)(2q)=0$

$q-2+2q^2=0$

$2q^2+q-2=0$

$2q^2+q-2=0$

Using quadratic formula,

$q=\frac{-1\pm\sqrt{1^2-4(2)(-2)}}{2(2)}$

$q=\frac{-1\pm\sqrt{17}}{4}$

$q=\frac{-1+\sqrt{17}}{4},\frac{-1-\sqrt{17}}{4}$

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3 years ago

HELP ME PLEASEEEE SOMEONEEE

patriot [66]

Probably 48 but i dont know

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Nadya [2.5K]

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3 years ago