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Romashka [77]
2 years ago
15

PLEASE HELP!!!! The equation shows how the total cost of members-only speaker series is related to the number of events attended

.
c= a + 7

Variable a represents the number of events attended, and variable c represents the total cost. What is the maximum number of events someone can attend for a total cost of $156?
Mathematics
2 answers:
ad-work [718]2 years ago
5 0

Answer:

149 is what i think it is

Step-by-step explanation:

kolbaska11 [484]2 years ago
4 0

Answer:

149=a

Step-by-step explanation:

all you need to do is subtract 7 from 156

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Which equation represents the value of x? x=100−y2−−−−−−−√ x=10+y2 x=10−y x=y2+100−−−−−−−√ Right triangle A B C with angle B as
Nostrana [21]

Answer:

Therefore the required value of x,

x=\sqrt{(100-y^{2})}

Step-by-step explanation:

Given:

ΔBC is a Right Angle Triangle at ∠ B = 90°

As ∠ B = 90° , AC will be the Hypotenuse

AC = 10 = Hypotenuse

BC = y = Longer leg ( say )

AB = x = Shorter leg ( say )

To Find :

x = ?

Solution:

In Right Angle Triangle Δ ABC , By Pythagoras Theorem we get

(\textrm{Hypotenuse})^{2} = (\textrm{Shorter leg})^{2}+(\textrm{Longer leg})^{2}

Substituting the given values we get

10^{2}= x^{2}+y^{2} \\\\x^{2}=100-y^{2} \\\\\textrm{square rooting on both the side we get}\\\\x=\sqrt{(100-y^{2})}\\\therefore x=\sqrt{(100-y^{2})}\ \textrm{ which is the required value of x}

Therefore the required value of x,

x=\sqrt{(100-y^{2})}

8 0
3 years ago
What was silly Sally's arrow in graphing the equation y equals 2 / 3x - 4​
nordsb [41]
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3 0
2 years ago
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Harrizon [31]

Answer:

(-6,0)

Step-by-step explanation:

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8 0
3 years ago
Suppose the population standard deviation is σ = 5 , an SRS of n = 100 is obtained, and the confidence level is chosen to be 98%
beks73 [17]

Answer:

1.165.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.98}{2} = 0.01

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.01 = 0.99, so z = 2.33

Now, find the margin of error M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

In this problem, we have that:

\sigma = 5, n = 100. So

M = z*\frac{\sigma}{\sqrt{n}}

M = 2.33*\frac{5}{\sqrt{100}} = 1.165

So the correct answer is:

1.165.

6 0
3 years ago
A COUPLE PLAN TO HAVE THREE CHILDREN.
Helen [10]
A) 8 possibilities
BBB
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GGG

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C) 2 or 3 girls
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D) same sex
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4 0
1 year ago
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