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lidiya [134]
3 years ago
13

Find the sum or difference.

Mathematics
1 answer:
Liula [17]3 years ago
6 0
The answer is C because 1/8 equals 2/4 and she needs 3/4
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The sum of two positive integers, x and y, is not more than 40. The difference of the two integers is at least 20. Chaneece choo
Butoxors [25]

Answer:

The value of x lies between 20 and 40 and value of y lies between -20 and 10

Step-by-step explanation:

We are given that

y\leq 40-x....(1)

y\leq x-20...(2)

First we convert inequality equation into equality equation to find the solution of the given system of inequality equation.

Therefore, we can write as

y=-x+40...(3)

y=x-20...(4)

Adding equation (3) and (4) we get

2y=20

y=10

Substitute y=10 in equation (3) we get

10=40-x

x=40-10=30

(30,10) is the intersect point of two equation.

Put x=0 in equation (3)

y=40

Substitute y=0 in equation (3)

x=40

Substitute x=0 in equation (4)

y=-20

Substitute y=0 in equation (4)

x=20

Substitute x=0 and y=40 and in equation (1)

40\leq 40

Hence, the equation is true.Therefore, the shaded region below the line.

Substitute x=0 and y=-20 in equation (2)

-20\leq -20

The equation is true. Hence, the shaded region is below the line.

Hence, the value of x lies between 20 and 40 and value of y lies between -20 and 10.

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3 years ago
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The x-intercept of the line whose equation is 2x - 3y= 6 is
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The x-intercept is 3 and the y-intercept is -2
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given a point A is on a coordinate plane in quadrant I. if it is rotated 90° counter clockwise then reflecred across the y axis.
den301095 [7]

Answer:

it would be -90⁰ because its clockwise its the opposite direction

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These equations represent the number of bacteria in four different dishes as a function of time, t, in days. Which equation repr
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<u>The growth factor</u>:

   ⇒ <em>is the </em><u><em>base in the exponent</em></u><em>:</em>

<em>        ⇒ the larger it is ⇒ the greater the growth factor is!</em>

<em />

<u>Let's Analyze our choices:</u>

  • c(t)'s growth factor: 5/2
  • a(t)'s growth factor: 5/6
  • d(t)'s growth factor: 3
  • b(t)'s growth factor: 1/50

<u>The greatest growth factor is 3</u>

<u />

<u>Answer: d(t)</u>

<u></u>

Hope that helps!

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How much does it cost to fix an odometer?
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