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lyudmila [28]
2 years ago
7

THE

Mathematics
1 answer:
tino4ka555 [31]2 years ago
6 0

Answer:

4.3275

next time use a standard deviation calculator they are really easy to use just look it up on google

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The temperature rose from -7°F to 21°F. By how much did the temperature increase?
horrorfan [7]

Answer: 28

Step-by-step explanation: you have to add 21 + 7 because your counting up from -7 to 21

7 0
3 years ago
If m ∥ k and m ∥ ℓ, then _____
saul85 [17]

Answer:

\large\huge\boxed{\text{If}\ m\ ||\ k\ \text{and}\ m\ ||\ l,\ \text{then}\ k\ ||\ l}

4 0
3 years ago
Plz help with 12<br> Will give brainliest
Irina-Kira [14]

Answer:

True, based on the <em>Transitive Property of Equality</em>.

Step-by-step explanation:

Note that the <em>Transitive Property of Equality </em>states that "If a = b, & b = c, then a = c.

In this case it is the same.

∠1 ≅ ∠2 (because both are complementary), ∠1 ≅ ∠3 (again, both are complementary), then based on the Transitive Property, ∠2 ≅ ∠3, making all of them complementary angles

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<em>~Senpai</em>

8 0
3 years ago
Read 2 more answers
Which type of factoring is used to factor the following expression:<br> 2x^2 + 7x- 30
svetlana [45]

Answer:

 (2x - 5) • (x + 6)

7 0
3 years ago
Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y &lt;
Mandarinka [93]
Part A:
 The first thing you should do is to graph both lines. Notice that one is of positive slope and another of negative slope.
 The solution of the inequation system is given by the shaded region. That is, all the points that are in the shaded region satisfy the system of inequations.
 Part B:
 the point (-2, -2) is NOT included in the solution area (it is not in the shaded region.
 Mathematically it is demonstrated by substituting inequalities and seeing that they are not satisfied
 inequality 1
 -2 <4 (-2) - 2
 -2 <-10 (false)
 inequality two
 -2> = - (5/2) (- 2) - 2
 -2> = 3 (false).

6 0
3 years ago
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