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Firdavs [7]
3 years ago
6

Please answer correctly I’ll mark you brainlist!

Mathematics
2 answers:
a_sh-v [17]3 years ago
8 0

Answer:

5

Step-by-step explanation:

Basically we need 60 because the area is 30, the formula to find area of a triangle is base times height times 1/2, so then 30 (area) times 2 is 60, then, 60 divided by 12 is 5. so your answer is 5!!

Vladimir [108]3 years ago
4 0

Answer: 5 cm

Step-by-step explanation:

since the last step in finding area of a triangle is divide by 2, multiply the area by 2 to get the original number

30 x 2 = 60

area/base = height

60/12 = 5

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What would you multiply the dividend and divisor by in the following division problem so that the divisor would become a whole n
horsena [70]
Devisor is the bottom number
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11.75=11 and 3/4
so times it by 4  to clear denomenator
but do it by top and bottom

23.4/11.75 times 4/4=93.6/47

so times it by 4/4
5 0
3 years ago
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HELP! Write the exponential equation that is represented by the table below? y=a·b^x
hram777 [196]

Answer:

y=5*3^x

Step-by-step explanation:

y=5*3^(-1) =5/3

y=5*3^0=5*1=5

y=5*3^1=5*3=15

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4 0
2 years ago
The difference between two rational numbers is always negative true or false?
Gennadij [26K]

Answer:

I feel that the answer is false.

Step-by-step explanation:

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3 years ago
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You put $800 in an account that earns 4% simple interest. Find the total amount in your account after each year for 3 years. (Pl
alexandr402 [8]
To get 4% of 800 you times 800 by 4 and divide it by 100. Once you have that amount you add it to 800 to find the amount you will have in your bank the first year. To get the next year's amount you then get 4% of 832(because after the first year you have more than $800) and then add the 4% to 832, that is the answer for the second year. To find the third year's amount you get 4% of the new amount (last year's total) and add it to last year's total, that is your total for the third year. So the first year will be: (800x4÷100)+800 =32+800 =832 The second year will be: 832+(832x4÷100) =832+33.28 =865.28 The third year will be: (865.28×4÷100)+865.28 =34.61(rounded off)+865.28 =899.89
3 0
3 years ago
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A taxi driver had 27 fares to and from the airport last Monday. The price for a ride to the airport is $14, and the price for a
OLga [1]

Answer:

(15, 12)

Step-by-step explanation:

Let's generate two systems of equations that fit this scenario.

Number of trips to the airport = x

Number of trips from the airport = y

Total number of trips to and from the airport = 27

Thus:

x + y = 27 => equation 1.

Total price for trips to the Airport = 14*x = 14x

Total price of trips from the airport = 7*y = 7y

Total collected for the day = $294

Thus:

14x + 7y = 294 => equation 2.

Multiply equation 1 by 7, and multiply equation 2 by 1 to make both equations equivalent.

7 × x + y = 27

1 × 14x + 7y = 294

Thus:

7x + 7y = 189 => equation 3

14x + 7y = 294 => equation 4

Subtract equation 4 from equation 3

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Divide both sides by -7

x = 15

Substitute x = 15 in equation 1

x + y = 27

15 + y = 27

Subtract both sides by 15

y = 27 - 15

y = 12

The ordered pair would be (15, 12)

7 0
2 years ago
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