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Degger [83]
3 years ago
7

Plsss help i do not understand this:(

Mathematics
1 answer:
Ivahew [28]3 years ago
5 0
Answer: ( 2, -3/2)

Using the midpoint formula:

(x1 + x2), (y1 + y2)
———. ———-
2. 2

(2 + 2), (-7+4)
——. ——
2. 2

( 2, -3/2)
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On a 28-question test, there are 2-point questions, 4-point questions, and 5-point questions. The test is worth a total of 100 p
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Answer:

The test has 8 questions of 2 points, as well as 16 of 4 points and 4 of 5 points.

Step-by-step explanation:

Since, on a 28-question test, there are 2-point questions, 4-point questions, and 5-point questions, the test is worth a total of 100 points and there are twice as many 2-point questions as 5- point questions on the test, to determine how many 2-point questions are on the test, the following calculation must be performed:

18 x 2 + 9 x 5 + 1 x 4 = 36 + 45 + 4 = 85

16 x 2 + 8 x 5 + 4 x 4 = 32 + 40 + 16 = 88

14 x 2 + 7 x 5 + 7 x 4 = 28 + 35 + 28 = 91

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10 x 2 + 5 x 5 + 13 x 4 = 20 + 25 + 52 = 97

8 x 2 + 4 x 5 + 16 x 4 = 16 + 20 + 64 = 100

Thus, the test has 8 questions of 2 points, as well as 16 of 4 points and 4 of 5 points.

4 0
3 years ago
Select the polynomial that is a perfect square trinomial
netineya [11]
Its the last choice

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5 0
3 years ago
Madison and Tyler each wrote an expression that is equivalent to 14.1 (19.8 + 7.6). The expressions they created are shown in th
diamong [38]

Answer: Tyler used the distributive property.

Step-by-step explanation:

For the expression:  

Madison wrote:  which is by commutative property of addition.

The commutative property of addition says that , for a,b be any real number

Tyler wrote: which is by distributive propery.

The distributive property says that , for a,b,c be any real numbers.

Hence, the last option is correct.

6 0
3 years ago
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Answer:

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2 years ago
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Simply the fraction <br><br> 21wx<br> 49xy
ddd [48]

\frac{3w}{7y}
this is the answer
3 0
3 years ago
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