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gavmur [86]
3 years ago
5

The bag contained only red marbles and white marbles. If the ratio of red marbles to white marbles was

Mathematics
1 answer:
juin [17]3 years ago
6 0

Answer:

Did u complete the question and u need to subtract to get the white marbles

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Select the correct answer from each drop-down menu. A restaurant is analyzing its customer satisfaction level. The manager perfo
Scorpion4ik [409]

Answer:

Not valid

Biased

inappropriate

Step-by-step explanation:

No actual study was done, only observation.

3 0
4 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=7x%5E%7B2%7D%20-3%3D60" id="TexFormula1" title="7x^{2} -3=60" alt="7x^{2} -3=60" align="absmid
Pavel [41]

Answer:

<h3>x = -3 , x = 3</h3>

Step-by-step explanation:

7x² - 3 = 60

7x² - 3 - 60 = 0

7x² - 63 = 0

Simplify the terms

Divide both terms by 7

That's

x² - 9 = 0

Solve the quadratic equation

Use difference of two squares

That's

a² - b² = ( a + b)(a - b)

x² - 9 = 0

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

x + 3 = 0 x - 3 = 0

x = - 3 x = 3

Hope this helps you

7 0
3 years ago
a certain shade of blue is made by mixing 1.5 quarts of blue paint with 5 quarts of white paint. If you need a total of 16.25 ga
Law Incorporation [45]

we know the blue and white paints are on a 1.5 : 5 ratio, thus, if we have a total of 16.25 gallons of paint to be split along that ratio, we can simply divide 16.25 by (1.5+5) and distribute accordingly.

\bf \cfrac{blue}{white}\qquad \stackrel{ratio}{1.5:5}\qquad \cfrac{1.5}{5}~\hspace{5em}\cfrac{1.5\cdot \frac{16.25}{1.5+5}}{5\cdot \frac{16.25}{1.5+5}}\implies \cfrac{1.5\cdot \frac{16.25}{6.5}}{5\cdot \frac{16.25}{6.5}} \\\\\\ \cfrac{1.5\cdot 2.5}{5\cdot 2.5}\implies \cfrac{3.75}{12.5}\qquad \qquad \boxed{\stackrel{blue}{3.75}~:~\stackrel{white}{12.5}}

5 0
3 years ago
Write an equation for each graph:
Amiraneli [1.4K]

Answer:

y=-|x+1|+1

Step-by-step explanation:

Parent function:  y=|x|

Reflect in the x-axis:  y=-|x|

Translate 1 unit to the left:  y=-|x+1|

Translate 1 unit up:  y=-|x+1|+1

Please refer to the attachments to see the individual transformations.

4 0
2 years ago
Solve for x in the equation x2 - 4x - 9 = 29.
Oxana [17]

Answer:

x = 2 + \sqrt{42}   or   x = 2 - \sqrt{42}

Step-by-step explanation:

x^2 - 4x - 9 = 29

Subtract 29 from both sides.

x^2 - 4x - 9 - 29 = 29 - 29

x^2 - 4x - 38 = 0

There are no two integers whose sum is -4 and whose product is -38, so the trinomial is not factorable. We can use the quadratic formula.

a = 1; b = -4; c = -38

x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a}

x = \dfrac{-(-4) \pm \sqrt{(-4)^2 - 4(1)(-38)}}{2(1)}

x = \dfrac{4 \pm \sqrt{16 + 152}}{2}

x = \dfrac{4 \pm \sqrt{168}}{2}

x = 2 \pm \dfrac{\sqrt{4 \times 42}}{2}

x = 2 \pm \dfrac{2\sqrt{42}}{2}

x = 2 \pm \sqrt{42}

x = 2 + \sqrt{42}   or   x = 2 - \sqrt{42}

3 0
4 years ago
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