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Tomtit [17]
3 years ago
9

Solve 5(2x) = 7(x−1). (2 points)

Mathematics
1 answer:
Rashid [163]3 years ago
7 0

X = -7 / 3

Hope this helps:)

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Assume that when adults with smartphones are randomly​ selected,41 ​% use them in meetings or classes. If 5 adult smartphone use
kotegsom [21]

Answer:

0.345

Step-by-step explanation:

Use binomial probability:

P = nCr pʳ qⁿ⁻ʳ

where n is the number of trials,

r is the number of successes,

p is the probability of success,

and q is the probability of failure (1−p).

n = 5, r = 2, p = 0.41, and q = 0.59.

P = ₅C₂ (0.41)² (0.59)⁵⁻²

P = 0.345

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in a group of 200 game lover students 120 like cricket and 15 black football West Bengal pin diagram find how many students like
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Ook at these three equations.
Simora [160]

Answer:

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Step-by-step explanation:

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2 years ago
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If a line has slope​ a, what is the slope of its reflection across the line y​=x?
aleksandrvk [35]

Check the picture below.

notice the reflected gray line on the red one over the y=x line, the slope of either line across the y=x line is simply the other's upside-down.

\stackrel{\textit{slope of line "a"}}{a\implies \cfrac{a}{1}}\hspace{5em}\stackrel{\textit{slope of its reflection}}{\cfrac{1}{a}}

3 0
1 year ago
Find the measure of ∠FEG.<br> A) 25° <br> B) 65° <br> C) 80° <br> D) 90°
MissTica

First, you have to set 5x equal to (3x+10). They are vertical angles and therefore congruent.

5x = 3x+10              The variable should only be on one side of the equation,

5x - 3x = 10             Therefore subtract 3x from both sides

2x = 10                     Divide by 2 on both sides.

x = 5


We're not done yet, since we've found the x-value we have to solve for ∠GEC.

∠GEC = 3x+10 = 3(5)+10 = 15+10 = 25°


∠GEC and ∠FEG form a right angle. This means that the sum of the two angles is 90°

90° = 25° + x            In this case, we're using "x" to solve for ∠FEG

90-25 = x                  We subtract 25 from both sides to get the variable by itself.

65° = x


<h2>∠FEG = 65°            The Answer is B</h2>
6 0
3 years ago
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