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irakobra [83]
2 years ago
8

Uadrilateral ABCD has coordinates A (3, 1), B (4, 4), C (7, 5), D (6, 2). Quadrilateral ABCD is a

Mathematics
1 answer:
madam [21]2 years ago
7 0

AB ≅ DC and AD ≅ BC

slope of BC = slope of AD (m = 1/3), slope of AB = slope of DC (m = 3/1)

opposite sides are congruent and parallel so ABCD is a parallelogram.

Answer: parallelogram

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Drupady [299]

Answer:

4.  988 people

5. a. 7 quarters

    b. 6 quarters 2 dimes 1 nickel

    c. 5 quarters 5 dimes

    d. 4 quarters 7 dimes 1 nickel

1.  $65.65, $5.05

2. $7.70, $15.40

3. a. 7 quarters

    b. 6 quarters 2 dimes 1 nickel

    c. 5 quarters 5 dimes

    d. 4 quarters 7 dimes 1 nickel

4. 31 bags

5. $30, $4.50

Step-by-step explanation:

4. take value times percent.

5. think coins

1. find difference then divide by number of days (13)

2. multiply by 1/3 then find difference.

3. think coins

4. find area then divide by 200

5. just break the problem down and go quarter by quarter.

4 0
3 years ago
20) In a recent poll of 1200 randomly selected adult office workers, 32% said they had worn a Halloween costume to the office at
Allisa [31]

Answer: Option 'c' is correct.

Step-by-step explanation:

Since we have given that

n = 1200

x = 32% of 1200

So, \hat{p}=32\5=0.32

We need to find 95% confidence interval.

so, z = 1.96

So, margin of error would be

z\times \sqrt{\dfrac{p(1-p)}{n}}\\\\=1.96\times \sqrt{\dfrac{0.32\times 0.68}{1200}}\\\\=1.96\times 0.0135=

So, Interval would be

\hat{p}\pm \text{margin of error}}\\\\=0.32\pm 0.0263\\\\=(0.32-0.0263,0.32+0.0263)\\\\=(0.2937,0.3463)\\\\=(0.294,0.346)\\\\=(29.4\%,34.6\%)

Hence, Option 'c' is correct.

6 0
2 years ago
30 POINTS! <br><br> Use set builder notation to represent the following set. {... -3, -2, -1, 0}
Wittaler [7]
<span>{x | x I, x ≤ 0}
because I is the Integers</span>
4 0
3 years ago
Hello help please i’ll mark brainliest!!!
Wittaler [7]

Answer:

The moon has moved past the full moon and is moving toward the third quarter.

Step-by-step explanation:

7 0
2 years ago
Please help what is q-75=50
kogti [31]
You have to add 75 to Both sides and 50+75= 125 So q=125. Hope this helped!
4 0
3 years ago
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