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nata0808 [166]
3 years ago
12

Solve for x: Need help with this problem.

Mathematics
2 answers:
Ludmilka [50]3 years ago
6 0

Answer:

x = 10

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 given angles and equate to 180, that is

5 + 3x + 70 + 75 = 180

3x + 150 = 180 ( subtract 150 from both sides )

3x = 30 ( divide both sides by 3 )

x = 10

rusak2 [61]3 years ago
4 0

The sum of all angles in a triangle is equal to 180.

75 + 70 + 5 + 3x = 180

150 + 3x = 180

3x = 180 - 150

3x = 30

x = 10

Third angle:

5 + 3(10)

35

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Answer:

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Step-by-step explanation:

3 0
3 years ago
Why is 3 + (−5) equal to −2?
VashaNatasha [74]

since the 5 is a negative you are actually subtracting it from 3

 so 3 +(-5) is actually 3-5. which = -2

7 0
3 years ago
Jane has 18 juice boxes, 24 bags of peanuts and 36 apples. She wants to make snack bags with same number of each thing in each b
pishuonlain [190]

Answer:  6 snack bags.

Step-by-step explanation:

For this exercise it is important to remember the Greatest Common Divisor (GCD). This is defined as  the largest positive intener by which  you can divided evenly "n" numbers.

In  this case, you know that Jane has  18 juice boxes, 24 bags of peanuts and 36 apples. Therefore, the steps are the following:

1. You need to descompose 18, 24 and 36 into their prime factors, as below:

18=2*3*3=2*3^2\\\\24=2*2*2*3=2^3*3\\\\36=2*2*3*3=2^2*3^2

2. Now you must choose the common ones with the smallest exponent and multiply them.

Then, you get:

GCD=3*2\\\\GCD=6

Therefore, the greatest number of snack bags that Jane can make is:  6 snack bags.

8 0
4 years ago
Six less than one-third of the sum of a number and four is negative two.
Helga [31]
1/3(n + 4) - 6 = -2 <== ur equation
1/3n + 4/3 - 6 = -2 ...multiply by 3
n + 4 - 18 = - 6
n - 14 = -6
n = -6 + 14
n = 8 <== ur number
4 0
4 years ago
Solve for x 3(8x-5)=-4(7-6x)
tekilochka [14]

3(8x - 5) = -4(7 - 6x)

Distribute 3 and -4 inside their respective parentheses.

24x - 15 = -28 + 24x

Add 28 to both sides.

24x + 13 = 24x

Subtract 24x from both sides.

13 = 0

This is an untrue statement, so that means there are no solutions to this equation.

Your answer is no solution.

6 0
3 years ago
Read 2 more answers
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