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hichkok12 [17]
3 years ago
6

Find the square of (a+b+c)​

Mathematics
1 answer:
melamori03 [73]3 years ago
3 0

Answer:

a^2 + b^2 + c^2 +2ab + 2ac + 2bc

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Find the rate of interest, if the interest is 490 the sum(principal) is 7000 for 2 years. Please use this formula for this answe
Amanda [17]

Answer:

Step-by-step explanation:

rate of interest=(interest×100)÷(principal×time)

=(490×100)÷(7000×2)=3.5 %

5 0
3 years ago
Write the sentence as an equation.<br> the quotient of w and 319 is equal to 342
Maurinko [17]

Answer:

w÷319= 342

Step-by-step explanation:

w divided by 319 is equal to 342

8 0
3 years ago
Complete the following sentences to make true statements.
lora16 [44]

Step-by-step explanation:

  1. diagonal
  2. parallel and equal
  3. bisect
  4. supplementary
  5. trapezium
  6. equal
  7. sum of opposite
  8. double of area of triangleAZC
  9. ??
  10. 90°
  11. diagonal
  12. ?
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hope it helps..

6 0
3 years ago
An inner city revitalization zone is a rectangle that is twice as long as it is wide. The width of the region is growing at a ra
Ket [755]

Answer:

The area is changing at the point of  \mathbf{61200 m^2/year}

Step-by-step explanation:

From the given information:

Let's recall from our previous knowledge that the formula for finding the area of a rectangle = L × w

where;

L = length and w = width of the rectangle

Suppose the Length L is twice the width w

Then L = 2w --- (1)

From The area of a rectangle

A = L  × w

A = 2w  × w

A = 2w²

Taking the above differentiating with respect to time

\dfrac{dA}{dt }= 4w \times  \dfrac{dw}{dt} --- (2)

At the time t

\dfrac{dw}{dt}= 34 m \ per \ year ; w = 450 \ m

Replacing the values back into equation 2, we get:

\dfrac{dA}{dt }= 4 \times 450 \times 34

\mathbf{\dfrac{dA}{dt }= 61200 m^2/year}

7 0
3 years ago
I really need help on this, how do you get 20 as a denominator and 19 as a numerator in the end answer? Pls help
valentina_108 [34]

Answer:

ADD them

Step-by-step explanation:

11 1/5+ 5 1/4 is 19/20

If you were subtracting the fractions your answer would be different (look at attachment)

7 0
3 years ago
Read 2 more answers
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