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noname [10]
2 years ago
11

Write the following statements in the form of equations.

Mathematics
1 answer:
pav-90 [236]2 years ago
8 0

Answer:

a. The sum of five times p and 8 is 23.

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Find the area of this triangle, round to the nearest tenth, I will give brainliest
Setler79 [48]

Answer:

59.15 in^2

Step-by-step explanation:

Using Heron's formula

semiperimeter , s = 1/2 ( 28.8+18+12) = 29.4

Area = sqrt ( 29.4(29.4-28.8)(29.4-18)(29.4-12) ) = 59.15 in^2

4 0
2 years ago
Read 2 more answers
Five times the sum of the digits of a two-digit number is 13 less than the original number. If you reverse the digits in the two
mafiozo [28]

Answer:

The difference of the original two-digit number and the number with reversed digits is 18.

Step-by-step explanation:

Since it's a two digit number, let x represent the tens digit and let y represent the units digit.

Thus, the original two digit number is;

10x + y.

The reverse two digit number is;

10y + x.

We are told that five times the sum of the digits of the two-digit number is 13 less than the original number.

Thus;

5(x + y) = (10x + y) - 13

Multiplying out the bracket gives;

5x + 5y = 10x + y - 13

Rearranging gives;

10x - 5x + y - 5y = 13

5x - 4y = 13 - - - - (3)

Also,we are told that, four times the sum of its two digits is 21 less than the reversed two-digit number. Thus;

4(x + y) = (10y + x) - 21 - - - (4)

Simplifying gives;

4x + 4y = 10y + x - 21

>> 10y - 4y - 4x + x = 21

>> 6y - 3x = 21 - - - (4)

Solving eq(3) and (4) simultaneously gives;

x = 5 and y = 3

Thus,

Original number = 53

Reversed number = 35

Difference between original and reversed number = 53 - 35 = 18

6 0
3 years ago
Plis reply fast and get brainless
insens350 [35]

Answer:

number 1 - 2 is bigger ----- Number 2 - 1 is bigger ------ Number three - 5 is bigger

Step-by-step explanation:

7 0
3 years ago
if you took 7 hours to mow 4 lawns, then at that rate, how many lawns could be lawns could be mowed in 35 hours? at what rate we
liraira [26]
It takes 7 hours to mow 4 lawns
Therefore every hour, (4 ÷ 7) or 4/7 lawns are mowed. This gives the rate.

For 35 hours, 4/7 x 35 lawns are mowed.
=35 ÷ 7 = 5
= 4 × 5
= 20 lawns
3 0
3 years ago
Please someone help I’m in the middle of my test and I don’t understand this question please someone help me answer it.
DENIUS [597]

Answer:

Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.Freedom of the American people

broadened as a result of the Civil War.

Step-by-step explanation:

8 0
2 years ago
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