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kolbaska11 [484]
2 years ago
5

Calculate the area and perimeter

Mathematics
1 answer:
siniylev [52]2 years ago
4 0

Answer:

Area: 38 cm^2 Perimeter: 28 cm

Step-by-step explanation:

blegh

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Use one or more exponents to write the expression 9 x 9 x 9 x 9 x 7 x 7
Helen [10]

Answer:

9^3 times 7^2

Step-by-step explanation:

6 0
3 years ago
Giveng (x) = 6x – 19whatisg (25)?
abruzzese [7]

Answer:

131

Step-by-step explanation:

x=6(25)-19

x=150-19

x=131

7 0
3 years ago
the sum of twice a number and 18 less than the number is the same difference between -30 and the number. What is the number?
trasher [3.6K]
X - the number

2x+x-18=-30-x \\
3x-18=-30-x \\
3x+x=-30+18 \\
4x=-12 \\
x=\frac{-12}{4} \\
x=-3

The number is -3.
4 0
3 years ago
This is confusing. Can someone please explain it to me?
morpeh [17]
First, graph 3,-5 [RED]

then, reverse the x coordinate {3} (it is now at -3,-5) [BLUE]

next, move the point 6 to the right and 7 to the left (it is now at 3,2) [GREEN]

then, reverse the x coordinate {3}<span> (it is now at -3,2) [ORANGE]
</span>
finally, connect the dots.

8 0
3 years ago
A television set manufacturing firm has to decide on the mix of color and black-and-white TVs to be produced. A market research
zhannawk [14.2K]

Answer:

Objective Function,  Max P =60c+30b

Subject to the Constraints

0

0

20c+15b\leq 60000

Step-by-step explanation:

Let the number of black t.v. produced =b

Let the number of colored t.v. produced =c

at most, 2000 units of color t.v. can be sold i.e. c\leq 2000

at most 4000 units of black-and-white TVs can be sold i.e. b\leq 4000

Total man hours per product = Number of Units X Man Hour Per Unit

A color TV requires 20 man-hours  = 20c

A black-and-white TV requires 15 man-hours =15b

Since Maximum number of man Hours is 60000 hours

20c+15b\leq 60000

The unit profits of the color TV is $60, therefore total profit =60c

The unit profits of the black-and-white TVs $30, respectively, therefore total profit =30b

Since we are to maximize profit, the Objective Function, Max P =60c+30b

3 0
3 years ago
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