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iren2701 [21]
2 years ago
13

Please help its a test!

Mathematics
1 answer:
marishachu [46]2 years ago
7 0

Answer: the answer is A :)

Step-by-step explanation:

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Answer:
B. 4/11

Solution:
Gradient=(y1-y2)/(x1-x2)
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3 0
3 years ago
What part of the story does this portion of the graph represent?
NeX [460]

Answer:

Step-by-step explanation:

Area of the Velocity-Time graph gives the displacement of the motion .

3 0
3 years ago
Which of the following expressions are equivalent to \left(9\dfrac{7}{8} + 2\dfrac{4}{5}\right)-\dfrac{1}{2}(9 87​ +2 54​ )− 21​
lora16 [44]

Answer:

12\dfrac{7}{40}

Step-by-step explanation:

The given expression is

\left(9\dfrac{7}{8} + 2\dfrac{4}{5}\right)-\dfrac{1}{2}

We need to find the simplified form of the given expression.

It can be rewritten as

\left(9+\dfrac{7}{8} + 2+\dfrac{4}{5}\right)-\dfrac{1}{2}

Combine integers and fractions separately.

(9+2)+(\dfrac{7}{8}+\dfrac{4}{5}-\dfrac{1}{2})

Taking LCM we get

11+\dfrac{35+32-20}{40}

11+\dfrac{47}{40}

In can be written as

11+\dfrac{40+7}{40}

11+1+\dfrac{7}{40}

12+\dfrac{7}{40}

12\dfrac{7}{40}

Therefore, the expression 12\dfrac{7}{40} is equivalent to the given expression.

5 0
3 years ago
Complete the square to make a perfect square trinomial. Then, write the result as a binomial squared. c2+3c
Nana76 [90]

Answer:

(c+3/2)^2

Step-by-step explanation:

8 0
3 years ago
What does it mean? I need help with this
kykrilka [37]
In order to do mean you have to add all of the numbers in the list together. then divide them by the total amount of numbers (ex. 7,9,3,2,5. you would add all of these up 7+9+3+2+5=26 then you would divide that by 5 because there are five numbers in the list.
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3 years ago
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