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Arlecino [84]
3 years ago
5

7(9b)x78 what does this mean

Mathematics
1 answer:
scoundrel [369]3 years ago
3 0
Basically 7(9b) is just multiplication so you get 63b times 78. You can't simplify it further cause you don't know what b is.
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kow [346]
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7 0
3 years ago
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a student required to 40% marks to pass in exam he got 190 marks and fail with 10 marks. find total marks?
Andrej [43]

Answer:

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Step-by-step explanation:

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3 0
2 years ago
SOLVE USING ELIMINATION *20 POINTS*
V125BC [204]

1. No answer ( may be due to incorrect question)

2. x = -3

y = 4

3. x= 4

y = 2

4.x = -63/40

y= -19/20

Step 1

Multiply equation 1 by the coefficient of x in equation 2

Multiply equation 2 by the coefficient of x I'm equation 1

(after completing this step you will derive equation 3 and 4 )

Step 2

Subtract equation 4 from equation 3

Step 3

Divide both sides of the equation by the coefficient of y

Step 4

substitute your value for y in equation 1 or 2

(after this you will derive the values of x)

Note : This method is for the Elimination of x

I hope it helps

5 0
3 years ago
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sashaice [31]

Answer:

monomial

Step-by-step explanation:

3 0
3 years ago
How many more equal angles does a square have than a rectangle?
leva [86]
A rectangle, is a quadrilateral with all angles at 90°.

a square is a quadrilateral with all equal sides, and right-angles all around.

now, the rectangle as well as the square, have all right-angles, the only difference is that the square has all equal-length sides, whilst a rectangle can have pairs of sides that vary in length.
5 0
3 years ago
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