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4 years ago

8

Help in Tuesday aswell

1 answer:

Anna35 [415]4 years ago

6 0

Answer:

The answer would be 135

Step-by-step explanation:

This would be the answer because if you have 300 students, you would divide the total amout of students surveyed, which, in this case would be 7.5.Next, what you would do is take the total amout of students who said chocolate chip ice cream was their favorite and multiply 18 x 7.5 which is 135.

Therefore, the correct answer would be : 135 students out of 300 would be an estimate of how many would say chocolate chip ice cream is their favorite.

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If sin 2X = COS ZY and m2X = 72°, what is the measure of ZY?<br> 18°<br> 072°<br> 90°<br> 108°

KATRIN_1 [288]

Answer:

<u>18°</u>

Step-by-step explanation:

sin 2x=cos zy

m(2x)=72°

cos(π/2-a)=sin a

cos(π/2-72°)=sin72°

cos18°=sin72°

=>m(zy)=18°

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3 years ago

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Joey answered 21 out of 25 questions correctly on a quiz what percent of his answers were correct

DedPeter [7]

Answer:

84%

Step-by-step explanation:

Joey gives 21 correct answers out of 25 questions on a quiz.

We have to calculate the percent of Joey's correct answer.

Now, percentage of x out of y is given by the simple expression $\frac{x}{y} \times 100$ %.

Hence, the percentage of correct answer given by Joey is given by

$\frac{21}{25} \times 100 = 84$ %. ( Answer )

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3 years ago

Is (4, 3) a solution of the graphed inequality?

Maurinko [17]

No it is not. Anything in the shaded area is a solution m. (4,3) is not in the shaded area so it is not a solution for the graphed inequality.

7 0

3 years ago

In Arithmetic Sequences you are either adding or subtracting a constant<br> term. True or False

Soloha48 [4]

Answer: True

Step-by-step explanation: Its true because you are either adding number or subtracting, unlike geometric.

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3 years ago

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If a circle has a diameter of 10cm and circumference of 31.4 cm,how would you write a ratio to determine the value of pi

Kitty [74]

Answer:

3.14

Step-by-step explanation:

Circumference of a circle is given by

$C=\pi d$ and making $\pi$ the subject then

$\pi=\frac {C}{d}$

Here d is the diameter and C is the circumference.

Given that d=10cm and C=31.4 then

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5 0

3 years ago