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Semenov [28]
2 years ago
14

Solve the inequality! PLEASE HELP I’LL MARK BRAINLIEST!!

Mathematics
1 answer:
ratelena [41]2 years ago
4 0

Answer:

1.) X = 7 and Y = 5

2.) 5 streamers

Step-by-step explanation:

According to the question, you are given the inequality equation of

2.5x + 3.5y < = 35

Since the equation is less than or equal to, than means that the equation can be 2.5x + 3.5y = 35

According to the graph,

X = 14 and Y = 10

Substitute both into the equation if it will not exceed 35

2.5(14) + 3.5(10) = 35

35 + 35 = 70. This is wrong.

Take the half value of both x and y and substitute again

X = 7 and Y = 5

2.5(7) + 3.5(5)

17.5 + 17.5 = 35

Therefore, she can buy 7 helium - filled balloons and 5 streamers

2.) If Julie buy 6 ballons, substitute x for 6 in the inequality equation to find y

2.5(6) + 3.5y < = 35

Open the bracket

15 + 3.5y < = 35

Collect the like terms

3.5y <= 35 - 15

3.5y <= 20

Make y the subject of formula

Y <= 20/3.5

Y < = 5.7

We can therefore conclude that she can buy 5 streamers. Or 5 1/2 if possible.

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The sum of 0.8 and 0.04 can be written as a fraction where the numerator and the denominator are both positive integers. When th
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Answer: 0.84 as a fraction is 84/100

Greatest common factor is 4

Resulting fraction is 21/25

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Step-by-step explanation:

From the question, the sum of 0.8 and 0.04 is written as 0.8 + 0.04 = 0.84

Convert 0.84 to fraction = 84/100

The numerator and denominator in 84/100 are both positive integers.

The greatest common factor to the numerator and denominator is 4

Divide 84 by 4 = 21

Divide 100 by 4 = 25

Therefore, the resulting fraction is 21/25

Addition of 21 and 25 equals 46.

I hope this helps.

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2 years ago
A wheel on christine’s bicycle is 0.5 m in diameter christine races the bicycle for 50m how many times does the wheel turn as th
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2 years ago
Please help me fast I still nee to finish 2 more ixl's by monday!!!!
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Answer:No

Step-by-step explanation:

Given system of equation is:

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2x + y = 15

To check whether (2,7) is solution to this system or not, we will put x=2 and y=7 in both equations.

Putting x=2 and y=7 in Eqn 1

2(2) + 3 = 7

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Thus the ordered pair satisfies the equation

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The ordered pair do not satisfy the second equation.

Hence,

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