3 years ago

Should I have plugged in values of theta rather than x to have received the points to graph the equations?

Mathematics

1 answer:

Artyom0805 [142]3 years ago

4 0

Answer:

No, you did a good job!

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There are two drama classesoffered at a middle school. The 8th grade class has 13 fewer students than the 7th grade class. If th

Eddi Din [679]

Answer:

Class 8 has 27 and class 7 has 40

Step-by-step explanation:

8th (r) class has 13 fewer than 7th (x).
x -13 = r

Total for both classes = 67

r + x - 13 = 67
r + x = 80

80 divided by two = 40 (per class)

40 - 13 = 27

4 0

2 years ago

A rubber bouncy ball is dropped from a

ss7ja [257]

Answer:

353.35 is the answer of this question

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2 years ago

Please help me on this

dlinn [17]

Answer:

-q

Step-by-step explanation:

We know that we are trying to find an expression equivelant to p - q:

p - q can be p - 1q

We can then put parenthesis around -1q:

p + (-1q)

We then can simplify:

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3 years ago

If I Mowed 4 yards for 20 dollars what the rate and unit rate

Vilka [71]

Answer:

The rate would be: 4:20 and the unit rate would be 1:5.

Step-by-step explanation:

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3 years ago

It's believed that as many as 23% of adults over 50 never graduated from high school. We wish to see if this percentage is the

laila [671]

Answer: 756

Step-by-step explanation:

Given : The proportion of adults over 50 never graduated from high school. = 0.23

Margin of error : E=0.03

Significance level : $\alpha=1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.96$

The formula to find the sample size is given by:_

$n=p(1-p)(\dfrac{z_{\alpha/2}\ }{E})^2$

i.e. $n=(0.23)(0.77)(\dfrac{(1.96)}{0.03})^2=755.941511111approx756$

Hence, the required minimum sample size = 756

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3 years ago