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Sati [7]
3 years ago
8

HELP I NEED HELP ASAP

Mathematics
1 answer:
Bezzdna [24]3 years ago
6 0

Answer:

sorry I did not learn those yet

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The figure shows three quadrilaterals on a coordinate grid:
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Answer:

E and G are similar but not congruent.

Step-by-step explanation: I don't really know how to explain this but I am positive this is the answer.

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Translate the expression into a word phrase. k + 12 A. a number less than 12 B. 12 more than a number C. the product of a number
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The answer is b) 12 more than a number

when you use the word "more than" it means addition. when you use the word "less than" it means subtraction. when you use the word "product of" it means multiplication. when you use "quotient of" it mean division.

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Find the slope between the following 2 coordinate points. (-3,6) and (-1,-8)
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The slope formula is y2-y1 divided by x2- x1 so -8-6=-14 and -1+3=2
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3:20pm to 8:00 pm how many hour's is that
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7) Solve the following system of equations below algebraically using substitution.
Pani-rosa [81]

Answer:

x = 3.25

y =4.75

Step-by-step explanation:

In order to Solve the following system of equations below algebraically using substitution method we say that;

let;

8x - 4y = 7 ..................... equation 1

x + y = 8.......................... equation 2

from equation2

x + y = 8.......................... equation 2

x = 8 - y.............................. equation 3

substitute for x in equation 1

8x - 4y = 7 ..................... equation 1

8(8-y) - 4y = 7

64-8y-4y=7

64-12y=7

collect the like terms

64-7 = 12y

57= 12y

divide both sides by the coefficient of y which is 12

57/12 = 12y/12

4.75 = y

y =4.75

put y = 4.75 in equation 3

x = 8 - y.............................. equation 3

x = 8 -4.75

x = 3.25

to check if your answer is correct, put the value of x and y in either equation 1 or 2

from equation 2

x + y = 8.......................... equation 2

3.25 + 4.75 =8

8=8.................... proved

8 0
3 years ago
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