MATHEMATICS MIDDLE SCHOOL

Will mark brainliest
Please help!
Thank you!
flowercrown123 avatar

Answers

Answer 1
Answer:

Answer:

A = 4 * 2 1/2

A = 4*5/2

Step-by-step explanation:

A = l*w

A = 4 * 2 1/2

Another way to write 2 1/2 is as an improper fraction

A = 4 * (2*2+1)/5

A = 4*5/2
Answer 2
Answer:

Answer:

A & D

Step-by-step explanation:

To find area simply multiply Lenght times Width

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D1 = 35 md2 = 12 m

A= ________

Formula of a rhombus is A=1/2 d1 d2
what is the area??

Answers

a=1/2d1d2
plug in
a=1/2(35)(12)
a=210

The number of vehicles a dealership sells varies directly with the money spent on advertising. How many vehicles does the dealership sell for each $1000 spent on advertising?

Answers

Answer:

For each $1000 spent on advertising, the dealership sell 8 vehicles.

Step-by-step explanation:

To find the exact answer, we can find the linear equation and then use it to calculate the number of vehicles sold for each $1000 spent on advertising.

First, we choose two points from the graph (5,40)(0,0), this two points will be used to find the slope.

m=(40-0)/(5-0)=(40)/(5)=8

Now, we use the point-slope formula to find the linear expression:

y-y_(1)=m(x-x_(1))\ny-0=8(x-0)\n y=8x

So, we replace x=1, which represent $1000, and see what value returns for y:

y=8(1)=8

Therefore, for each $1000 spent on advertising, the dealership sell 8 vehicles.
Two points I can assuming to have integer coordinates (points without decimals in (x, y) ) are (0, 0) and (5, 40)

From this, I can make a safe assumption that y is 8 times the x value.

since x value is money spent on advertising in $1000s', number of vehicles is 80 times of how much money is spent on advertising in $1000.

But, if you want to be fancy (or I guess this is more correct), 8/1000 = 0.08, so for extra dollar spent, 0.08 more vehicles are sold, rounded down.

Marisa painted 1/2 of her bedroom in 3/4 of an hour. At this rate, how long would it take her the paint the entire room?

Answers

Answer: 1 1/2 hours or 90 minutes

Step-by-step explanation: Painting 1/2 of her bedroom took 3/4 an hour or 45 minutes. At the same rate, it would take her another 3/4 of an hour or 45 more minutes. Add it together to get 90 minutes or 1.5 hours to paint the full room.

What is the probability that the first spinner will land on 1 or the second spinner will land on 5?

Answers

The probability that the first spinner will land on a 1 would be 1/3 because their are three numbers on the spinner and only one 'one.' 

The probability that the second spinner will land on a 5 is 1/6 because there are 6 numbers on the spinner and only one 5.

Determine the equation for the parabola graphed below

Answers

Answer:

y=(x-2)^2-1

Step-by-step explanation:

The given function:

Since the function  is open upwards means is of y=x^2

And we can see one unit down and 2 units shifted on right in parent function.

Therefore, the function is of y=(x-2)^2-1

Graph takes parabola shape by quadratic function.

Round 9.16515138991 to a whole number

Answers

If you round it to the ones place you get 9 but if you round it to the tenths place you get 10
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