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vfiekz [6]
3 years ago
15

Help me please it’s geometry

Mathematics
1 answer:
mr Goodwill [35]3 years ago
7 0
1.true
2.false
3.false
4.true
5. False
6. True
7.false
8.true
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The area of a rectangle is 44 square units. Its length measures 4 units. Find the length of its diagonal. Round to the nearest t
NikAS [45]

Answer:

√(137)

Step-by-step explanation:

First, you will need to find the other side length.....then you can use the Pythagorean Theorem to find the diagonal:

L x W = 44

4 x W = 44

W =11

Now the Pythag, Theorem:

 diagonal^2 = 4^2 + 11^2

        d^2 = 16+121

         d^2 = 137

          d = √(137)

3 0
2 years ago
Solve each system of equations using matrices.<br> -2x = -6y + 8<br> 2y = x + 1
Elden [556K]

Answer:    1.) x - 2y = 4 , add 2y to both sides. ---> answer is, X = 2y + 4

2.) 2x - 6y = 8, Add 6y to both sides, then divide both sides by 2. --> answer is, X = 3y + 4

6 0
3 years ago
Hypothesis testing on samples with fewer than 30 participants can be carried out by using the t-value for the corresponding leve
Eva8 [605]

Answer: true

Step-by-step explanation:

Z-tests are statistical calculations that can be used to compare the population mean to a sample mean The z-score is used to tellsbhow far in standard deviations a data point is from the mean of the data set. z-test compares a sample to a defined population and is typically used for dealing with problems relating to large samples (n > 30). Z-tests can also be used to test a hypothesis. Z-test is most useful when the standard deviation is known.

Like z-tests, t-tests are used to test a hypothesis, but a t-test asks whether a difference between the means of two groups is not likely to have occurred because of random chance. Usually, t-tests are used when dealing with problems with a small sample size (n < 30).

Both tests (z-tests and t-tests) are used in data with normal distribution (a sample data or population data that is evenly distributed around the mean).

3 0
3 years ago
Solve 2x + 2 &gt; 10<br><br>A. x&lt;6<br>B. x&gt;6<br>C. x&gt;4<br>D. x&lt;4​
melamori03 [73]
The answer is c) x>4
4 0
3 years ago
The average of the weights of six people sitting in a boar is 145 pounds. After a seventh person gets into the boat, the average
Tems11 [23]
<u>Weight : </u>

<em>⇒ x for 6 people</em>
<em>⇒ y for the 7th person</em>

x/6=145 \\ (x+y)/6=147 \\  \\ x=145*6 \\ x=870 \\  \\ x+y=1029 \\  \\ 870+y=1029 \\ y=1029-870 \\ y=159

<u>The correct answer is B).</u>
5 0
3 years ago
Read 2 more answers
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