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vovikov84 [41]
3 years ago
10

What is the area of the isosceles trapezoid shown?

Mathematics
2 answers:
igor_vitrenko [27]3 years ago
8 0

Answer:

the answer is 80

Step-by-step explanation:

you can split the trapezoid into a rectangle and two triangles to find the area

balandron [24]3 years ago
4 0

If you want the area of the entire trapeziod.

The formula for area of a trapeziod is:

1/2h(b₁+b₂)

So the equation applied to the trapeziod is:

2.5(20+12)

20+12 is 32. 32 multiplied by  2.5 is 80.

<h3><u><em>Your answer is 80.</em></u></h3>
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Malcolm is filling bags with rice. He starts with a 5 1/4 pound container of rice and fills each
Sliva [168]

Basically we want to know how many times 5/8 goes into 5 1/4.

5 1/4 ÷ 5/8 = 21/4 ÷ 5/8 = 21/4 × 8/5 = 42/5 = 8.4 bags

Since we cannot have a fraction of a bag, he can fill 8 bags completely.

answer: 8 bags

6 0
3 years ago
Please help me pleasee
ryzh [129]

Answer:

<em>x = y = 64° , z = 20°</em>

Step-by-step explanation:

<em>x = y</em> = \frac{180-52}{2} <em>= 64 </em>°

m∠ADC = 52° + x

m∠ADC = 52° + 64° = 116°

<em>z</em> = 180° - 116° - 44° <em>= 20</em> °

7 0
2 years ago
What is the measure of ∠1 in the trapezoid?<br><br><br><br> 130°<br> 105°<br> 75°<br> 25°
Nata [24]
It is bigger than 50, so 25 is out. It is smaller than 105, so 105 and 130 are out. That leaves 75. Process of elimination. I hope this helps.
8 0
3 years ago
The branch manager of a clothing store is analyzing the average total bill of sale for his location. the national manager has co
nadya68 [22]

Using the Central Limit Theorem, the branch manager can be 95% certain that the sample mean will fall within $1.034 of the mean.

<h3>What does the Central Limit Theorem state?</h3>

  • It states that the sampling distribution of sample means of size n has standard deviation s = \frac{\sigma}{\sqrt{n}}.
  • By the Empirical Rule, 95% of the sample means fall within 2 standard errors of the mean.

In this problem, we have that the standard deviation and the sample size are given as follows:

\sigma = 10.34, n = 400

Hence the standard error is given by:

[tex]s = \frac{10.34}{\sqrt{400}} = 0.517.

Two standard errors is represented by:

2 x 0.517 = $1.034.

Hence, the branch manager can be 95% certain that the sample mean will fall within $1.034 of the mean.

More can be learned about the Central Limit Theorem at brainly.com/question/24663213

#SPJ4

5 0
2 years ago
Select the correct answer.
RideAnS [48]

Answer: Your question options are not legible but the inverse of the function is f-1(x) = (x + 2) / 2

Step-by-step explanation:

y = 2x + 2

Make x the subject of formula:

2x = y - 2

x = (y - 2) / 2

Now substitute y for x:

(x - 2) / 2

Y = (x - 2) / 2 is the inverse equation of the above graph.

4 0
2 years ago
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