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3 years ago

Please answer please will give brainliest

Mathematics

2 answers:

Bogdan [553]3 years ago

7 0

Answer:

4 into 3 is not a ratio.

Step-by-step explanation:

If the example is 2 purple crayons to 6 red crayons you could put it as 2/6, 2:6 or 2 to 6.

4 into 3 is not a valid way to represent a ratio.

<em>Hope this helps!</em>

tatiyna3 years ago

4 0

Answer: D; 4 into 3

Step-by-step explanation: Ratios are a number "to" another number or a number over another number or the numbers are separated by a colon

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Jin, Deb, and Bashir raised $135.78 for their soccer team. Deb raised $34 less than Bashir, who raised $29 more than Jin.

timurjin [86]

Money raised by Jin = x = 37.26

Money raised by Bashir = x + 29 = 37.26 + 29 = 66.26

Money raised by Deb = x - 5 = 37.26 - 5 = 32.26

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

Let x represent the amount raised by Jin, hence:

Money raised by Bashir = x + 29

Money raised by Deb = x + 29 - 34 = x - 5

Hence:

x + x + 29 + x - 5 = 135.78

Money raised by Jin = x = 37.26

Money raised by Bashir = x + 29 = 37.26 + 29 = 66.26

Money raised by Deb = x - 5 = 37.26 - 5 = 32.26

Find out more on equation at: brainly.com/question/2972832

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8 0

2 years ago

The parabolas defined by the equations y=-x^2-x+1 and y=2x^2-1 intersect at points (a, b) and (c, d), where c>=a. What is c-a

Fittoniya [83]

Answer:

c - a = $\frac{5}{3}$

Step-by-step explanation:

Since the parabolas intersect we can equate them, that is

2x² - 1 = - x² - x + 1 ← subtract terms on right side from terms on left side

3x² + x - 2 = 0

Consider the factors of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term.

product = 3 × - 2 = - 6 and sum = + 1

The factors are + 3 and - 2

Use these factors to split the x- term

3x² + 3x - 2x - 2 = 0 ( factor the first/second and third/fourth terms )

3x(x + 1) - 2(x + 1) = 0 ← factor out (x + 1) from each term

(x + 1)(3x - 2) = 0

Equate each factor to zero and solve for x

x + 1 = 0 ⇒ x = - 1

3x - 2 = 0 ⇒ 3x = 2 ⇒ x = $\frac{2}{3}$

Since c > a, then

a = - 1 and c = $\frac{2}{3}$

Thus

c - a = $\frac{2}{3}$ - (- 1) = $\frac{2}{3}$ + 1 = $\frac{2}{3}$ + $\frac{3}{3}$ = $\frac{5}{3}$

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3 years ago

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forsale [732]

The answer is .03 u move the decimal twice to the left

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4 years ago

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Answer:

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3 years ago

I'll give brainliest

notka56 [123]

Answer:

2:1 thats how i learnd it in highschool

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