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3 years ago

Sally is planning the school picnic and needs to decide what food vendor to

Mathematics

1 answer:

Sliva [168]3 years ago

3 0

Answer:

The relative number of 8th graders tat want smoothies is 0.18. Because when finding relative frequency you divide the number which was 45 by the final total which was 250.

So the correct answer is 0.18

(This is for another question like this)

Your answer would be D.) 0.05

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Peter is placing a rectangle in the coordinate plane. He knows that the shorter side of the rectangle is one-third the length of

katrin [286]

Answer:

$(0,a)$

Step-by-step explanation:

Let

x-------> the length side of the rectangle

y------> the width side of the rectangle

we know that

$y=\frac{1}{3}x$ ---> equation A

$x=3a$ ---> equation B (given problem)

substitute equation B in equation A

$y=\frac{1}{3}3a=a$

the coordinate of the top-left vertex of the rectangle is equal to

$(0,a)$

5 0

3 years ago

There are 24 children in a class, 16 brown-haired and 8 black-haired. Two students are randomly selected for a stage performance

Natali5045456 [20]

The answer is 7/69.

There are 8 black-haired children among 24 children. The probability of randomly selecting black haired children for the first time is:
P1 = 8/24 = 1/3

Now, there are 7 black-haired children left among 23 children. The probability of randomly selecting black haired children for the second time is:
P2 = 7/23

Since we want both of these events to occur together, we will multiply their probabilities:
P = P1 * P2 = 1/3 * 7/23 = 7/69

6 0

3 years ago

Find f(2) if f(x) = (x + 1)2 a 9 b 6 c 5

viktelen [127]

Answer:

B.6

Step-by-step explanation:

f(2)=(2+1)2

=(3) 2

4 0

3 years ago

Simplify (-8z+4) + (7z-7)

Karo-lina-s [1.5K]

Answer:

1. -1z-3

2. 4x+2

3. -y+11

4. 7a-22

Step-by-step explanation:

Not too sure about the last one

5 0

3 years ago

(08.04 MC) Christina bought a yoyo from a company that claims that, with each retraction, the string rolls up by 70% of the orig

egoroff_w [7]

Here is the answer to the given problem. So, what Christina wants to find out is the sum of the length after 10 throws given that in each throw, it retracts 70% of the original length. So to continue the given data, here are the results:
4: 1.029
5: 0.7203
6: 0.50421
7: 0.352947
8: 0.2470629
9: 0.17294403
10: 0.12106082
Since she wants to find the sum of the length after 10 throws, we are just going to add the lengths above. So the answer would be this: 9.71752475. To round this off to the nearest hundredth, the answer would be 9.72. Hope this helps.

6 0

3 years ago

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