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Fed [463]
3 years ago
15

Чbhow do you do it's really confusing can you please help ​

Mathematics
1 answer:
Zepler [3.9K]3 years ago
7 0
Do what? your question doesn’t include a photo
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The measure of one angle is 13 less than five times The measure of another angle. The sum of the measure of the two angles is 14
kodGreya [7K]

\huge\boxed{a=\frac{229}{2};\ \ b=\frac{51}{2}}

<em>In decimal form, a = 114.5; b = 25.5</em>

We will write this as a system of equations, where a and b are the two angles.

\left \{ {{a=5b-13} \atop {a+b=140}} \right

We will use substitution to solve this system. We know what a equals, so we plug that into the second equation.

5b-13+b=140

Combine the like terms.

6b-13=140

Add 13 on both sides.

6b=153

Divide both sides by 6.

b=\frac{153}{6}=\boxed{\frac{51}{2}}

Now just subtract that from 140.

a=140-\frac{51}{2}=\boxed{\frac{229}{2}}

7 0
3 years ago
Estimate and then find the sum
tekilochka [14]

Answer:

304,900

Step-by-step explanation:

186,000

88,900

304,900

6 0
3 years ago
Read 2 more answers
Help me thanks<br> Xxxxxxxxx
Vilka [71]

Answer:

The answer is C.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
If two of the four expressions x + y, x + 5y, x – y, and 5x – y are chosen at random, what is the probability that their product
storchak [24]

Answer:

  1/6

Step-by-step explanation:

The product will only be of the required form if the two chosen factors are of the form (x +by) and (x -by).

For the factor (x+y), there is also a factor (x-y) on the list. For the factor (x+5y), there is no factor (x-5y) available.

So, of the (4·3)/2 = 6 possible ways to choose two expressions from the four given expressions, only one pair of the 6 will have a product of the required form.

The probability is 1/6.

8 0
3 years ago
PLEASE help me!!!!!!!!!!!!!!!!!!!!! this is due Friday and I don't understand this at all I will give brainliest points but PLEA
andrey2020 [161]

Answer:

Is it a 90 degree rotation? Pretty sure it is

Step-by-step explanation:

7 0
3 years ago
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