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Mazyrski [523]
3 years ago
14

Please help me on this one kinda stuck on this Thank you

Mathematics
2 answers:
Goshia [24]3 years ago
6 0
1) 100 * 40 = 4000 (cm²) the area of rectangle
2) 40 * 30 * 1/2 = 600 (cm²) the area of triangle
3) 4000 + 600 = 4600 (cm²)

Answer: 4600 cm²
sp2606 [1]3 years ago
5 0
First find the area of the rectangle like so, 100 * 40 = 4000cm
Then, find the area of the triangle like so, 30 * 40 = 1200cm
Then, since the triangle is a triangle, and not a square, you divide 1200cm by 2, and get 600cm. 
Finally, add them up. The answer you should get is 4600cm².
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find two consecutive odd integers whose product is 1 less than 6 times their sum. Domain for the smallest : {-1, 1, 11}
inn [45]
Let x be the 1st odd number, and x+2 the second odd consecutive number:

(x)(x + 2) = 6[((x) + (x+2)] -1
x² + 2x = 6(2x + 2) - 1

x² + 2x = 12x +12 - 1
And x² - 10x - 11=0

Solve this quadratic expression:

x' = [+10 +√(10²- 4.(1)(-11)]/2  and x" = [+10 -√(10²- 4.(1)(-11)]/2

x' = [10 + √144]/2      and  x" = [10 - √64]/2

x' = (10+12)/2    and x" = (10-12)/2

x = 11 and x = -1

We have 2 solutions that satisfy the problem:

1st for x = 11, the numbers at 11 and 13
2nd for x = - 1 , the numbers are -1 and +1
If you plug each one in the original equation :(x)(x + 2) = 6[((x) + (x+2)] -1
you will find that both generates an equlity


6 0
3 years ago
Suppose v varies directly as g, and v=36 when g=4. Find v when g=11.
vovangra [49]
For a variable to vary directly to another is telling you to set up a proportion

v/g = v/g

36/4 = v/11

4v = 396

v = 99
5 0
3 years ago
Read 2 more answers
Jennifer's basketball team played 18 games this season, and they won twice as many games as they lost. How many games did they l
irakobra [83]
6 -they lost that many


they won this many 6 plus this many 6

666







6 0
3 years ago
Which of these is the same as 8/9 divided 2/3
swat32
Well, since you didn't attach the options. I will try to simplify the problem for you.⬇

Problem➡8/9 ÷2/3

~How to solve it ⬇
8(3) / 9(2) = 24/18

So, that means that your answer might have to be
1 1/3~
4 0
3 years ago
Kelly signed copies of her new book at a local book store. He had budgeted 1.15 per student. It turned out that he spent 0.25 le
PolarNik [594]

Answer:

$27

Step-by-step explanation:

In this question, we are asked to calculate how much spent on some number of students in a bookstore where books were being signed by an author. We proceed as follows:

To calculate the amount she budgeted, there are different approach we can take. We can calculate the amount she has to pay for the signing at the old price. Then, we calculate the amount of money she has to pay on discounting the fees. We then subtract the values to arrive at the total value she has spent.

Firstly, we calculate the total amount of money to be spent on the students based on his budget. He had budgeted 1.15, then the total amount budgeted would be 30 * 1.15 = $34.5

Now we are made to know that she spent 0.25 less. Thus, the total amount spent less would be 30 * 0.25 = $7.5

The actual amount thus spent is $34.5 - $7.5 = $27

He spent a total of $27 on 30 students

3 0
3 years ago
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