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2 years ago

A vase contains r roses and 6 tulips. Write two equivalent expressions for the total number of flowers in the vase.

Mathematics

2 answers:

katrin2010 [14]2 years ago

8 0

V=r+6 V= number of flowers in the vase

v-6=r

Margaret [11]2 years ago

5 0

Two equivalent fractions equations are
r + 6
6 + r <span />

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What is the interquartile range of the following data set?3,8,14,19,22,29,33,37,43,49

Vaselesa [24]

Q1: 14
Q3: 37
Interquartile: 37-14 = 23

THE ANSWER IS 23

(Brainliest please?)

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2 years ago

What is the value of w?

Arlecino [84]

Looks like 49 and w complete the 77 angle
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2 years ago

Determine the next step for solving the quadratic equation by completing the square

GaryK [48]

Answer:

The two solutions are: $x=\frac{1}{2}+/-\frac{\sqrt{7} }{2}$

The next and every step are below.

Explanation:

1. $-3=-2x^2+2x$ : Given (addition property / add - 3 to both sides)

2. $-3 = - 2(x^2-x)$ : Given (commom factor - 2)

3. $-3-1/2=-2(x^2-x+1/4)$

To obtain the perfect square it was added the square of half of the coefficient of x: (1/2)² = 1/4, inside the parenthesis.

Since, the terms inside the parentthesis are multiplied by - 2, you have to add - 2 (1/4) = - 1/2 to the left side of the equation.

4. Now, you have that the trinomial x² - x + 1/4 is a square perfect trinomial which is factored as (x - 1/2)² and get the expression:

$-7/2=-2(x-1/2)^2$

5. Divide both sides by - 2 to get the next expression:

$-7/4=(x-1/2)^2$

6. The last step is to extract squere root from both sides of the equality:

$(x-1/2)=+/-\sqrt{\frac{7}{4}}\\ \\ x-1/2=+/-\frac{\sqrt{7} }{2}\\ \\ x=\frac{1}{2}+/-\frac{\sqrt{7} }{2}$

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2 years ago

Do 9/11 and 36/33 form a proportion

satela [25.4K]

Answer:

Nope!

Step-by-step explanation:

No, because 9 x 4 = 36, whereas 11 x 3 = 33.

Hope that helps!

6 0

2 years ago

Read 2 more answers

Marco's mom has measured his height in centimeters every few months between the ages of 4.5 and 7.5. The recorded values are bes

Contact [7]

Answer:

Extrapolation

Step-by-step explanation:

Extrapolation is a type of estimation, beyond the original observation range. In this case, the observation range is from 4.5 to 7.5 years. Marco's mom is extrapolating the regression line to estimate Marco's height at 14 years old. This sort of estimation assumes that Marco's height will continue changing at the same rate until he is 14 years old.

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2 years ago