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RUDIKE [14]
2 years ago
10

You scored 80 points on your first math test. On the next test you scored 96 points. What is the percent increase?

Mathematics
1 answer:
Tom [10]2 years ago
5 0

Answer:

20%

Step-by-step explanation:

96-80/80 *100

16/80*100

1/5*100 =20

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The base of a triangular field is three times its height. If the cost of cultivating the feild at $36 per hectare is $486, find
Anna [14]

Answer:

Formula of the area of triangle = 1/2 × b × h (where 'b' is the base and 'h' is the height)

1 hectare = $36

$486 = 13.5 hectares

13.5 hectares = 1/2 × b × h

To get b × h, you use the reverse of the formula. Hence:

13.5 = 1/2 × b × h

13.5 ÷ 1/2 = b × h

               = 27

27 is b × h.

The question states that the base is three times the height. Hence:

b = 3u

h = 1u

b × h = 27

        = 3u × 1u

Thus, we need to find one value which is three times the other, in order to get a product of 27.

Factors of 27:

1 × 27

3 × 9

9 is three times of 3. Thus, the base is 9, while the height is 3.

5 0
2 years ago
ASAP HELP, PLEASE HELP NEED IT FOR COLLEGE SCHOLARSHIP PLEASE HELP ASAP i really need it for college scholarship help ive to sub
sweet-ann [11.9K]

Answer:

I think it might be 30pi m or 94.2 m.

Step-by-step explanation: So you are finding the perimeter of the circle. You have a radius of 15, the perimeter for a circle is C=2pir. Now we can do  C=2pi(15). The answer is 30pi or C=2 x 3.14 x 15= 94.2 Hope this helps.

3 0
2 years ago
How would you write "there were 3 times as many baby dinosaurs as adult dinosaurs" as an algebraic equation where x = baby dinos
Mrrafil [7]
X = 3y

hope it helped!
5 0
2 years ago
Read 2 more answers
29) Find the area of a right triangle with a base of 22 cm and height of 10 cm.
Arte-miy333 [17]

Answer:

110 cm²

Step-by-step explanation:

The area of a triangle is 1/2 times base times height.

A = 1/2bh

A = 1/2(22)(10)

A = 110

7 0
3 years ago
Hayden has 6 rolls of dimes. There are 50 dimes in each roll. How many dimes does he have altogether?
Aleks04 [339]
6 times 50 is 300, there’s your answer. He was 300 dimes altogether.
6 0
3 years ago
Read 2 more answers
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