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harkovskaia [24]
3 years ago
11

Find the value of x. help please !

Mathematics
1 answer:
Kisachek [45]3 years ago
4 0

Answer:

33

Step-by-step explanation:

The sum of the three interior angles in a triangle is ALWAYS equivalent to 180 degrees.

69 + 78 = 147

180 - 147 = 33

Hope this is helpful & accurate! Best wishes.

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SoIve: 12 = -4(-6x - 3) <br><br><br> x = -0.625<br> x = -0.375<br> x = -2<br> x = 0
Vinvika [58]

Answer:

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

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3 0
3 years ago
13. What is the result of adding 5.4a + 7.1 and -1.28 - 6.3?
den301095 [7]

Answer:

C. 4.2a + 0.8

Step-by-step explanation:

Given:

The two binomials given for addition are:

5.4a+7.1 and -1.2a-6.3

Now, adding both the binomials, we get:

5.4a+7.1+(-1.2a-6.3)

Distributing the positive sign inside the second binomial, we get:

5.4a+7.1-1.2a-6.3

Now, combining like terms using the commutative property of addition, we get:

(5.4a-1.2a)+(7.1-6.3)

Simplifying the above expression, we get:

(5.4-1.2)a+0.8\\4.2a+0.8

Therefore, the resulting addition of the given binomials is 4.2a+0.8

Hence, option C is the correct answer.

8 0
3 years ago
Please help trigonometry and special right trianglez
Mice21 [21]

Answer:

Step-by-step explanation:

3 0
2 years ago
I'll give points just please help(it's a little long sorry:( A student randomly selects some crayons from a large bag of crayons
andrey2020 [161]

the probability of selecting a blue crayon for the bag is 16.7% while estimate probability of selecting a red crayon is 20% and the most likely crayon to be selected is brown crayon and also the possibility of getting a real possibility of the number of crayons in the bag is 60

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3 years ago
If she saves 1$ the first week 3$ the season week 9$ the third week how much will she save in 5 weeks
ycow [4]

Based on the numbers we have we can assume that she saves 3 times more each week than the last (1*3=3, 3*3=9).

Following this trend we would multiply the amount she saved the third week ($9) by 3 to get $27 for the fourth week.

Then, we would multiply the amount she saved the fourth week ($27) by 3 to get $81 for the fifth week.

Finally, to figure out how much she saved in the 5 weeks, we need to add each value up to get 1+3+9+27+81= $121 saved in 5 weeks

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3 years ago
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