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ohaa [14]
3 years ago
9

Evaluate the variable expression x + y for the given values of x and y. x = 38,221; y = 51,671

Mathematics
1 answer:
valentina_108 [34]3 years ago
4 0

Answer:

89,892

Step-by-step explanation:

x+y

(38,221)+(51,671)

89,892

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Two angle measures of a triangle are 35° and 50° . What is the measure, in degrees, of the other angle?
zubka84 [21]

Answer:

95

Step-by-step explanation:

35+50= 85

180-85=95

7 0
3 years ago
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Convert 150 degrees to radian
Dafna1 [17]

Answer:

A

Step-by-step explanation:

To convert degrees to radians

radian measure = degree measure × \frac{\pi }{180}

Hence

radian measure = 150° × \frac{\pi }{180}

Cancel both 150 and 180 by 30, then

radian measure = 5 × \frac{\pi }{6} = \frac{5\pi }{6}

8 0
3 years ago
Noel is a computer repairman. To fix a computer, he charges a customer $40 per hour, plus a fixed fee of $15, represented by the
SVETLANKA909090 [29]

Answer: the answer would be A. the number of hours Noel worked

sorry i responded so late but i hope this helps you

Step-by-step explanation:

4 0
3 years ago
Which of the following is most likely the next step in the series?<br> A.
wolverine [178]

Answer:

D.

Step-by-step explanation:

If you look at the pattern, the first shape (square) has four sides. Then, you have 5 sides, and finally, 6 sides.


Thus, a pattern of 4, 5, 6. So, the next shape must have 7 sides, leaving the only possible answer as D.

7 0
2 years ago
A student solves the following equation and determines that the solution is −2. Is the student correct? Explain. 3 a + 2 − 6a a2
Ganezh [65]

For this case, we have the following equation (according to the comments):

\frac{3}{a+2} - \frac{6a}{a^2-4}  = \frac{1}{a-2}

First, we factor the quadratic expression in the denominator:

\frac{3}{a+2} - \frac{6a}{(a-2)(a+2)}  = \frac{1}{a-2}

Then, we multiply both sides of the equation by (a-2) (a + 2):

\frac{3(a-2)(a+2)}{a+2} - \frac{6a(a-2)(a+2)}{(a-2)(a+2)}  = \frac{(a-2)(a+2)}{a-2}

Later, canceling similar terms we have:

3(a-2) - 6a = a+2

We do distributive property on the left side of the equation:

3a-6-6a=a+2

By grouping variables and constant terms we have:

3a - 6a -a = 2+6

Rewriting we have:

-4a=8

Finally, by clearing "a" we have:

a=-\frac{8}{4} a=-2

Note: the value of a is a extraneous solution because it makes the denominator of the original equation equal to zero.

Answer:

the student correct, but the value of a= -2 is an extraneous solution

8 0
4 years ago
Read 2 more answers
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