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Zigmanuir [339]
3 years ago
10

Simplify. Write your answer in standard form. (4x3+6x−7)+(3x3−5x2−5x+9)

Mathematics
1 answer:
irga5000 [103]3 years ago
3 0

Answer: x+13

Step-by-step explanation:

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Triangle 2 and triangle 3 were created by drawing an altitude in triangle 1. What is the relationship between the green highligh
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Answer:

Triangle 1 line segment AB and triangle 2 line segment BA correspond to each other

Step-by-step explanation:

Point b and point a don't correspond to anything else

triangle 1 and 2 are congruent my answer would be a 50/50 guess between C and D If it were me id risk it and go D but it is up to you.

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Find the following rates. Round your answer to the nearest hundredth. a. ? % of 75 = 5 b. ? % of 28 = 140 c. ? % of 100 = 40 d.
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A.15 b.500 c.40 d.7.5 yeah, not to confident but I think it's correct.
5 0
3 years ago
94b + 48 < b + 54 < 94b + 82
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3 years ago
5. Sean has 56 bills in his pockets. The bills are only fives and tens.
noname [10]

Answer:

He have 43 bills of 10 and 13 bills of 5

Step-by-step explanation:

5x + 10y = 495

x + y = 56

Isolate x:

x = 56 - y

Substitute in the first equation:

5(56 - y) +10y = 495

280 -5y +10 y = 495

5y = 495 -280

5y = 215

y = 215/5

y= 43

Now substitute the value of y to find x:

x = 56 - y

x = 56 - 43

x = 13

3 0
2 years ago
Give two real world examples of a "sector" of a circle.
bixtya [17]

Answer : One of the most common real-life examples of the area of a sector is a slice of a pizza. The shape of slices of a circular pizza is like a sector. A pizza of 7 inches radius is sectioned into 6 equal slices as shown in the below figure. Each slice is a sector.

Step-by-step explanation:

4 0
3 years ago
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