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Sphinxa [80]
3 years ago
10

Help me on this last one, I'm offering 100 points

Mathematics
1 answer:
lawyer [7]3 years ago
7 0

Answer:

b=73

Step-by-step explanation:

Apply the concept of vertically opposite angles.

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The base of a triangle is given as 2b. The height of the triangle is given as 5b-7. Find an expressions for the area of the tria
Tcecarenko [31]

Answer:

Step-by-step explanation:

Area = 1/2 * 2b * (5b - 7)

Area = 1/2 * 2b * (5b - 7) = 24

b * (5b - 7) = 24

5b^2 - 7b = 24

5b^2 - 7b - 24= 0

(b- 3 )(5b + 8) = 0

b = 3                    This the only solution that works.  b can't be minus

The base is 2b or 2 * 3 = 6

4 0
2 years ago
I need help please help
Rzqust [24]

Answer:

a) 2/10

b) 5/10

c) 3/10

Step-by-step explanation:

There is 10 balls in the jar so the probability of each color depends on how many balls in each color and how many balls in the jar.

8 0
2 years ago
Read 2 more answers
Which two statements contradict each other? I. Jon, Elizabeth, and Franco read 27 books among them for a class. II. Franco read
Alex73 [517]
Answer 1 & 3. If none of the students read over 7 books, there is no way for them to read 27 in total.

6 0
3 years ago
Rachael needs to rent a car while on vacation. The rental company charges $17.95, plus 19 cents for each
Scorpion4ik [409]

Answer:

116 miles

Step-by-step explanation:

We can solve this by first writing an equation for the cost of the car rental. To begin, the base cost is $17.95, so any further costs must be added to that. Next, the car costs 19 cents (0.19 dollars) for each mile driven, so for each mile, we add 19 cents. This can be written as 0.19 *x if x represents the amount of miles driven. Therefore, we can add the two input costs of the car (the base cost and cost per mile) to get

17.95 + 0.19 * x = total cost.

After that, we want to maximize x/the number of miles with only 40 dollars. We can do this by setting this equal to the total cost, as going over the total cost is impossible and going under would be limiting the amount of miles (this because we are adding money for each mile, so more money means more miles). Therefore, we have

17.95 + 0.19 * x = 40

subtract 17.95 from both sides to isolate the x and its coefficient

22.05 = 0.19 * x

divide both sides by 0.19 to isolate x

22.05/0.19 = x = 116.05

The question asked us to round down, and 116.05 rounded down is 116 for our answer

5 0
2 years ago
If one of the exterior angles of a triangle is acute, then the triangle must be:
Arada [10]

Answer:

acute

Step-by-step explanation:

Hope this helps

8 0
3 years ago
Read 2 more answers
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