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diamong [38]
3 years ago
6

4(a + 10) = 80 find a

Mathematics
2 answers:
Harman [31]3 years ago
6 0

Answer:

10

Step-by-step explanation

4(a+10) = 80

4a+40=80

4a=40

a=10

nirvana33 [79]3 years ago
5 0

Answer: x = 4

Step-by-step explanation: To solve this equation, we start by distributing the 4 through the parentheses on the left side.

So we have 4(a) which is 4a and 4(10) which is 40.

So our equation now reads 4a + 40 = 80.

Solving from here, we subtract 40 from both sides of the equation and we have 4a = 40 and dividing both sides by 4, we find that <em>x = 4</em>.

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How do you solve this
Fed [463]

Answer:

x is equal to 55 degrees.

Step-by-step explanation:

In order to find this, we must first realize that the angle next to 160 is equal to 20 degrees. This is because they come together to make a straight line, which is equal to 180 degrees.

Now knowing this, we can find the two congruent angles at the top. Since they form one angle of a large triangle along with the right angle and 20 degrees, we know they combine to be worth 70 degrees. Since they are even, we know each is 35 degrees.

For the final step, we know that the 35 degree angle and 90 degree angle form a triangle with x. Knowing these all add up to 180, we can solve for x.

35 + 90 + x = 180

125 + x = 180

x = 55

6 0
4 years ago
A flower shop has 8 bouquets of red lilies, 5 bouquets of pink lies and 7 bouquets of violet lilies. Raymond who is colorblind b
Vadim26 [7]

Answer:

12/20, or 3/5

Step-by-step explanation:

To find the probability of Raymond not picking red lillies, we first must establish the total amount Raymond can choose from as well as the amount of non-red lillies.

The total amount Raymond can choose from is the amount of bouqets. There are 8 red ones, 5 pink ones, and 7 violet ones. This means that there are 8+5+7=20 total bouquets.

The amount of non-red lillies is determined because we are asked to find the probability of selecting a non-red bouquet. We find the number of non-red bouquets by subtracting the total (20) by the number of red bouquets (8) to get 12.

Therefore, the total amount is 20 and the number of non-red bouquets is 12. Thus, if Raymond picks one bouquet, the probability of him selecting a non-red one is 12/20, or 3/5. The probability of him picking up a red bouquet, similarly, would be 8/20, as there are 8 options of red bouquets out of 20 total

7 0
3 years ago
Can somebody please help me
Law Incorporation [45]

Answer:

c

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Please answer the question it’s being timed tysm!
son4ous [18]

Answer:

a=1,b=3,c=10

Step-by-step explanation:

a= the number with the highest power, in this case it is x^2. Therefore, a=1.

b= the number with the second number, the one that has an x. Therefore, b=3.

c=the last number, the one with no variable. therefore, c=10

If this helps please mark as brainliest

3 0
3 years ago
Saleh is delivering newspapers for his part-time job. He needs to deliver 30 newspapers and has distributed 10 so far.
Nikolay [14]
He has delivered 33.3% of his papers. Think of it as a fraction 10/30. Now 100% is 30 papers. 1/3 of that, which is our fraction reduced, is where you get 33.3%. If you divide 100 into thirds (100/3), you get the percent.
3 0
3 years ago
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