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Ludmilka [50]
3 years ago
7

Evaluate 12x-(4y+7z) for x=9 y= 4 and z = 2

Mathematics
1 answer:
Brums [2.3K]3 years ago
6 0

The answer to "12x-(4y+7z) for x=9 y= 4 and z = 2" is 78.

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Find the triangles area drawing not to scale.
Ganezh [65]

Answer:

35 lol

Step-by-step explanation:

a = b*h/2

a = 10*7/2

a = 70/2

a = 35 lol

8 0
3 years ago
Gary earns $12 an hour plus $16 an hour for every hour of overtime. Overtime hours are any hours more than 30 hours for the week
hoa [83]

Part A.

Amount of money earned = Regular rate per hour * Number of working hours

M = 12 x

 

Part B.

Amount of wages earned = Regular rate per hour * Maximum number of regular working hours + Overtime rate per hour * Excess working hours

T = 12 * 30 + 16 * y

T = 360 + 16 y

or

T = 16 y + 360

 

Part C.

Given T = 408, find y:

408 = 16 y + 360

y = 3 hrs

Therefore the total hours Gary worked that week is,

<span>x + y = 30 + 3 = 33 hrs        </span>

<span>(x = 30 since that is the maximum limit for regular working hours)</span>

7 0
3 years ago
Can someone simplify pls
algol [13]

we are given to simplify

\\ \ (x^6y^5)(5xy^2)(-6x^4)\\ \\

Open the bracket and write the like terms together

\\ \ =x^6y^5*5xy^2*(-6)x^4\\ \\ \ =-30x^6*x*x^4*y^5*y^2\\ \\

when the bases are same then the exponents gets added

\\ \ =-30x^{6+1+4}y^{2+5}\\ \\ \ =-30x^{11}y^7

8 0
3 years ago
Read 2 more answers
URGENT: Amy and Lucy were doing a craft involving yarn. Amy cut a piece of red yarn that was 4 1/3 inches long, and Lucy cut a p
Jlenok [28]

Answer:

1 11/15

Step-by-step explanation:

5 0
3 years ago
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Find the area of a regular pentagon with an apothem of 2.75 cm and a side length of 4 cm. (round to the nearest whole number)
valentinak56 [21]

Answer:B 28 cm^2

Step-by-step explanation:

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3 years ago
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