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Luden [163]
3 years ago
15

What is the value of the expression when x = 4 and y = 3?

Mathematics
1 answer:
Mars2501 [29]3 years ago
6 0

Answer:

63

Step-by-step explanation:

3x^2+5y

Where X=4,Y=3

So

=3×4×4+5×3

=48+15

=63

So 63 is the answer

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Value rent a car rents a luxury car at a daily rate of $37.49 plus 20 cents per mile. A business person is allotted $130 for car
alex41 [277]

Answer:

In the allocated budget of $130 , the business person can travel 462.55 miles a day.

Step-by-step explanation:

The daily rate of car service = $37.49

Cost per mile of the car   = 20 cents   = $ 0.20

Total allocated budget  for each day  = $130

Now, out of the total budget :

The actual travelling budget  = Total Budget  - Daily car rate

                                                =  $130  -  $37.49  

                                                =   $92.51

So, the actual travelling budget each day = $92.41

Now, \textrm{Number of total miles traveled }  = \frac{\textrm{Actual traveling budget}}{\textrm{Rate per mile }}

= \frac{92.51}{0.20}   = 462.55

or, the number of miles traveled  = 462.55 miles

Hence, in the  allocated budget of $130 , the business person can travel 462.55 miles a day.

7 0
4 years ago
What is the completely factored form of x2 – 16xy 64y2? xy(x – 16 64y) xy(x 16 64y) (x – 8y)(x – 8y) (x 8y)(x 8y)
Alja [10]

The complete factored  form of the quadratic expression is (x-8y)(x-8y)

<h3>Factorizing quadratic expression</h3>

Quadratic expressions are expressions that has a leading degree of 2

Given the expression

x^2 – 16xy + 64y^2

Factorize

x^2 - 8xy - 8xy + 64y^2

Group

(x^2 - 8xy) - (8xy + 64y^2)

x(x-8y) - 8y(x - 8y)

Since (x-8y) is common, hence;

x^2 - 8xy - 8xy + 64y^2 = (x-8y)(x-8y)

The complete factored  form of the quadratic expression is (x-8y)(x-8y)

Learn more on factoring here: brainly.com/question/65494

#SPJ4

3 0
2 years ago
PLS HELP!!!! Vera is running for school president. Her best friend designed her campaign poster, which measured 3 feet by 2 feet
Andrej [43]

Answer:

1 ft = 12 inches

3 ft = 36 inches

36/2 = 18

answer = 1/18

Step-by-step explanation:

6 0
3 years ago
What is the equivalent of 3/8​
mixas84 [53]

Answer:

6/16 is equivalent to 3/8 because after dividing the numerator (6) and denominator (16) we get 3/8.

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Answer:

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Step-by-step explanation:

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