40 divided [24-4 x (2+3)]

Answers

Answer 1
Answer: (40)/(24 - 4 * (2 + 3)) =\ \textgreater \ (40)/(20 * (5)) =\ \textgreater \ (40)/(100)

Final answer .40

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What is the solution to the system of equations?5x - 3y = -9
2x - 5y = 4

(_,_)

THANKS!!

Answers

Multiply the 1st equation by 2 and the 2nd by 5 to get:
10x-6y= -18
10x-25y=20
subtract equation 2 from equation 1 and the x's cancel:
10x-6y= -18
10x-25y=20
19y= -38
y= -2
substitute y= -2 into either of the original equations to get x= -3
(-3, -2)

Which expression is a difference of squares with a factor of 2x + 5?0 4х2 + 10
o 4х2 – 10
o 4х2 + 25
o 4х2 – 25

Answers

I am pretty sure it is 4(2+25) because if you factor it out you will get the factores form you got before.

Please answer this correctly

Answers

B; 25.65+13.23+6.35=45.23

To do this mentally just add the 2 decimals places together first (1.23). Then just add the whole numbers (44). Then add the 2 numbers together, 44+1.23=45.23

Translate the sentence into an equation.The difference of a number times 3 and 8 is 2. Use the variable c for the unknown number. How do I figure this out?

Answers

I hope that this is what you are looking for....


C X 3(8) = 2

 The parenthesis means to multiply again.


Hope that this helps... :)
-3c+8=2 you minus 8 on both sides of the equation then you'll get -6 then divide -3c by -6 so c equals to 2 c=2

The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he pay?

Answers

x\ -\ cost\ of\ digital\ camera\ny\ -\ cost\ of\ video\ camera\n5x+3y=3213\ny=4x\n5x+3\cdot4x=3213\n17x=3213/:17\nx=189\ny=4\cdot189\ny=756\n\n189+756=945
Answer: John pays 945 for a digital camera with a video camera.

I hope I helped :D

Answer:

945

Step-by-step explanation:

Mrs. Solar is remodeling a house and is looking for a contractor to do the work. She is getting quotes from 3 different contractors, and will hire one of them based on the total cost. Each company uses a formula to calculate its fees based on the number of hours the work will take. Score (5 points) 1. Mrs. Solar modeled Contractor 1’s fee formula with the equation y = 50x + 200. (a) Graph the equation y = 50x + 200. Give each axis a label. (b) Describe what the equation y = 50x + 200 means in the real-world context. (c) Give 3 ordered pairs that are true to the equation and explain what each ordered pair means in the real-world context.

Answers

#b. The equation y = 50x + 200 represents the total cost that the contractor will charge for x hours of work.
#c. (1, 250); (2, 300); (3, 350)