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olasank [31]
3 years ago
14

TAKE A PIC OF A PEICE OF PAPER WITH THE WORK ON IT AND AWNSER. Heyyy pls help me :( it would mean a lot!!! I have a 55% in math

rn and I’m trying to get it up.. it would mean a lot if you could help me. I’m not doing so good rn. My parents are very mad about my grades, pls help. JUST 5 QUESTIONS

Mathematics
2 answers:
lisov135 [29]3 years ago
3 0

Answer:

1.

4x-5x+3-8

-x-5

2.

3x^2+8x^2-2x+7x

11x^2-5x

3.

4x+9x+2y+3y^2

3y^2+5y+13x

4.

-5x-7x-2

-5x+-7x-2

-12x-2

5.

6(3x-5)-9x

6(3(4)-5)-9(4)

6(12-5)-36

6(7)-36

6

IRINA_888 [86]3 years ago
3 0
Hopefully this helps! the boxed answers are the answer to the problem, feel free to comment if you need more help or clarification!

You might be interested in
Kahi can eat 32 pieces of candy in 1 hr her sisters can eat the same amount in 3 hrs how long will it take both them togethr to
pantera1 [17]
So, in order to find the answer, this is what we are going to do.
Let K be the number of candies that Kahi can eat per hour and S be the number of candies that her sisters can eat per hour.
So for the sisters, let us divide 32 by 3 and we get, 10.67. so 10.67/ hour.
Now, consider this expression: <span>(K+S)*h = 32
Plug in the given values.
(32 +10.67)h = 32
42.67h = 32
Divide both sides by 42.67 and we get
h= 1.33. Therefore, it will take 1.33 hour for both of them together to eat 32 candies. Hope this answer helps.</span>
5 0
4 years ago
Kevin planted ome corn in the back yard and meaure it height regularly. Currently, the talk are 75 inche tall. That i 25% taller
Pavlova-9 [17]

The height of the tree was 56 inches.

We can calculate the percentage of a certain amount by :

Subtracting  New - Original / New multiplied by 100

this implies it will be

75 - x / 75 × 100 = 25 %

7500 - 100 x = 1875

this implies 7500 - 1875 = 100 x

5625 = 100 x

Thus , On dividing both sides by 100 we get

56.25 = x

Now on rounding off this number we will get

56 = x

Thus the original height of the corn plant was 56 inches

To know more about percentage you may visit the link which is mentioned below :

brainly.com/question/10168902

#SPJ1

8 0
2 years ago
Write the equation in function notation. <br> 25x -5y = 35
Mrrafil [7]

Answer:

F(x) = 5x - 7

Step-by-step explanation:

25x - 5y = 35

-5y = - 25x +35

Y = 5x - 7

F(x) =5x - 7

7 0
3 years ago
Five pounds of bananas cost $2.35. How much does it cost per pound?
andrezito [222]

Answer:

The answer is 0.47

Step-by-step explanation:

You can get this answer by doing division 5 divided by 2.35 and

then you get 0.47

6 0
4 years ago
Annie estimates that the height of a bookcase is 78.25 in. The actual height is 75.50 in.
tankabanditka [31]

Answer:

The percentage error is 3.6 % .

Step-by-step explanation:

Formula

Error\ percentage = \frac{Error\times 100}{Exact\ value}

Error = \left |Approx - Exact \right |

As given

Annie estimates that the height of a bookcase is 78.25 in. The actual height is 75.50 in.

Here

Approx value =  78.25 in

Exact value = 75.50 in

Error = \left |78.25 - 75.50\right |

Error = 2.75

Put in the formula

Error\ percentage = \frac{2.75\times 100}{75.50}

Error\ percentage = \frac{275}{75.50}

Error percentage = 3.6 %

Therefore the percentage error is 3.6 % .


3 0
3 years ago
Read 2 more answers
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