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madreJ [45]
3 years ago
10

How to solve the problem -3(4x+3)+4(6x+1)=43

Mathematics
1 answer:
Nikitich [7]3 years ago
5 0

Step-by-step explanation:

-12×-9+24×+4=43

24×-12×=43-4+9

12×=48

×=4

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One number is 3 times another. If the sum of the two numbers is 15, find the two numbers.
gregori [183]

Answer:

15/4 and 45/4

Step-by-step explanation:

Let x and y be the numbers

x = 3y

x+ y = 15

Substitute the first equation in to the second equation

3y+y = 15

4y = 15

y = 15/4

x = 3(15/4)

x = 45/4

The two numbers are 15/4 and 45/4

8 0
3 years ago
Read 2 more answers
Two sides of a triangle are equal in length and double the length of the shortest side. The perimeter of the triangle is 36 inch
chubhunter [2.5K]

Answer:

Two equal sides = 14.4 inches each

Shortest side = 7.2 inches

Step-by-step explanation:

a + b + c = 36

a = b

a = 2c

then:

c = a/2

a + a + a/2 = 36

2a + a/2 = 36

4a/2 + a/2 = 36

5a/2 = 36

a = 2*36/5

a = 72/5

a = 14.4

a = 2c

14.4 = 2*c

c = 14.4/2

c = 7.2

a = b

b = 14.4

Check:

14.4 + 14.4 + 7.2 = 36

3 0
3 years ago
Three out of 7 people were sneakers. In Grand
Stels [109]

Answer:

Step-by-step explanation:

3/7 × 1256

= 358

4 0
3 years ago
Complete the Table.
JulsSmile [24]

Interest rate = 5.25%

<u>Step-by-step explanation:</u>

Simple Interest = Pnr = 4252.50

n = time = 54 months = 4.5 years

r = rate of interest = ?

P = 18,000

r = SI/Pn = 4252.50 / 18000× 4.5

              = 0.0525 = 5.25%

7 0
3 years ago
Read 2 more answers
Step by step on how to solve this equation 2 x + 3 = x − 4 because I fogot how to do basic math
valentina_108 [34]

Answer:

-7

Step-by-step explanation:

2x +3 =x-4

2x - x =-4 - 7

x=-7

4 0
3 years ago
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