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3 years ago

Find the measures of the numbered angles of the parallelogram.

Mathematics

1 answer:

frosja888 [35]3 years ago

6 0

Answer:

1=40

2=140

3=40

Step-by-step explanation:

We know on side

140 and side 2 are equal

1 and 3 are equal

So since 140 and 2 are equal

140*2=280

360 degrees total in any 4 sided shape

360-280=80

80/2=40

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76 people left before the movie ended 124 people remained how many people were in the theater when it was full

andre [41]

Answer:

Step-by-step explanation:

124 + 76 = 200 ☺

8 0

3 years ago

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twinlakes on the shelf of a covenience store lose their fresh tastines over time. we say that the taste quality is 1 when the tw

Zolol [24]

Answer:

The graph is shown below.

The time to make the taste to half is <u>4.265 s.</u>

Step-by-step explanation:

Given:

Initial value of the taste is, $Q_0=1$

Therefore, the quality of taste over time 't' is given as:

$Q(t)=Q_0(0.85)^t\\Q(t)=1(0.85)^t$

Now, when the taste reduces to half, $Q=0.5$

Therefore,

$0.5=1(0.85)^t$

Taking natural log on both the sides, we get:

$\ln(0.5)=\ln(0.85)^t\\\ln(0.5)=t\ln(0.85)\\t=\frac{ln(0.5)}{\ln(0.85)}=4.265\ s$

Therefore, the time to make the taste to half is <u>4.265 s.</u>

4 0

3 years ago

The length of a rectangle is one inch less than three times its width. If the perimeter of the rectangle is 54 inches, find the

CaHeK987 [17]

w - width

3w - 1 - length

54 in - perimeter

w + w + (3w - 1) + (3w - 1) = 8w - 2 - perimeter

The equation:

8w - 2 = 54 <em>add 2 to both sides</em>

8w = 56 <em>divide both sides by 8</em>

w = 7

3w - 1 = 3(7) - 1 = 21 - 1 = 20

<h3>Answer: The length = 20 in.</h3>

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3 years ago

Use the correct order of operations to solve the problem below.

barxatty [35]

Answer:

The answer is D. 29.64

Step-by-Step Explanation:

Parenthesis first...

39.64-5*(2)

Then multiplication...

39.64-10

Then subtraction...

29.64

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3 years ago

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How do i solve 3x+y=13, 5x-2y=18 using the substitution method

jasenka [17]

$\left\{\begin{array}{ccc}3x-y=13&\text{multiply both sides by (-2)}\\5x-2y=18\end{array}\right\\\underline{+\left\{\begin{array}{ccc}-6x+2y=-26\\5x-2y=18\end{array}\right}\\.\qquad-x=-8\qquad\text{change the signs}\\.\qquad\boxed{x=8}\\\\\text{Put the value of x to the first equation}\\\\3(8)-y=13\\\\24-y=13\qquad\text{subtract 24 from both sides}\\\\-y=-11\qquad\text{change the signs}\\\\\boxed{y=11}\\\\Answer:\ \boxed{x=8\ and\ y=11\to(8,\ 11)}$

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4 years ago