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IgorC [24]
2 years ago
12

12 What is the solution to this equation?

Mathematics
1 answer:
Levart [38]2 years ago
5 0

Answer:

x=-5

Step-by-step explanation:

add 7 to 53 then divide -12 to itself and 60.

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The temperature is 60 F. The temperature will decrease by 3 F each hour. Let h be the number of hours. When will the temperature
Yuliya22 [10]

Answer:

32<-3x+60 ;10 hours

Step-by-step explanation:

6 1
3 years ago
Triangle QST is isosceles, and Line segment R T bisects AngleT. Triangle Q S T is cut by bisector R T. The lengths of sides S T
Katyanochek1 [597]

Answer:

m∠QRT = 90°

m∠QRT = m∠SRT

Step-by-step explanation:

Triangle QST is isosceles with QT ≅ ST. In isoscels triangle QST, angles STR and RTQ are congruent.

RT is angle T bisector, so angles QTR and STR are congruent.

Consider two triangles QTR and STR. In these triangles:

  • TR ≅ TR (reflexive property);
  • ∠QTR ≅ ∠STR (given);
  • QT ≅ ST (given).

By SAS postulate, these two triangles are congruent. Two congruent triangles have congruent corresponding sides, so

  • QR ≅ SR
  • ∠QRT ≅ ∠SRT

Angles QRT and SRT are supplementary (add up to 180°). Since these two angles are congruent, they have the same measure equal to \frac{1}{2}\cdot 180^{\circ}=90^{\circ}

So, true options are

m∠QRT = 90°

m∠QRT = m∠SRT

7 0
3 years ago
Read 2 more answers
PLZ HELP AND EXPLAIN !! Arron borrowed $200 from his cousin. He promised to repay the loan in 2 years at a simple annual interes
Dmitriy789 [7]
The first thing you have to do is know the equation. The equation is a(1+p)^t.
a= the amount of money p= the percent represented as a decimal and t=time ( the t is raised as an exponent)
so, in this case, it is represented as 200(1+0.05)^2\
200(1.05)^2
200(1.1025)
220.5 That is how much extra he would owe in interest fee's

5 0
3 years ago
(2+5x)9= combine like terms
rodikova [14]

Answer:

18+45x

Step-by-step explanation:

4 0
3 years ago
Given N is between M and P. If MP = 15 and MN = 6, determine NP
cluponka [151]

Answer:

NP= 9

Step-by-step explanation:

MP = 15

MN = 6

Let NP be x

MN+NP=MP

6+x=15

x=15-6

x=9

The value of NP is 9

4 0
3 years ago
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