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3 years ago

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A salad dressing is made by combining 2 part vinegar 5 part oil. How much ounces of oil should be mixed with 9 ounces of vinegar

?

1 answer:

11111nata11111 [884]3 years ago

3 0

$\bf \begin{array}{ccll} vinegar&oil\\ \cline{1-2} 2&5\\ 9&x \end{array}\implies \cfrac{2}{9}=\cfrac{5}{x}\implies 2x=45\implies x=\cfrac{45}{2}\implies x=22\frac{1}{2}$

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An elliptical culvert is 3.5 feet tall and 6 feet wide. It is filled with water to a depth of 0.95 feet. Find the width of the s

maks197457 [2]

Answer:

$W_s \approx5.3$

Step-by-step explanation:

From the question we are told that

Height $H=3.5ft$

Weight $W= 6ft$

Depth $D=0.95ft$

Generally the equation for ellipses is given as

$\frac{x^2}{a^2} +\frac{y^2}{b^2} =1$

Where

$b=H/2\\b=3.5/2\\Therefore\\b=1.75\\a=W/2\\a=6/2\\Therefore\\a=3\\$

$\frac{x^2}{3^2} +\frac{y^2}{1.75^2} =1$

Generally to find y in the equation $\frac{x^2}{a^2} +\frac{y^2}{b^2} =1$

$y=-b+d$

$y=-1.75+0.95$

$y=-0.8$

Therefore

$\frac{x^2}{3^2} +\frac{(0.8)^2}{1.75^2} =1$

$\frac{x^2}{3^2} =1-\frac{(0.8)^2}{1.75^2}$

$\frac{x^2}{3^2} =1-0.2089795918$

$X^2 =3^2(1-0.2089795918)$

$X^2 =7.119183674$

$X =\sqrt{7.119183674}$

$X =2.66817984$

Therefore the width of the given stream is

$W_s=2.66817984*2$

$W_s=5.33635968$

$W_s \approx5.3$

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3 years ago

The radius of a circular disc is 5.8 inches. Find the circumference. Use 3.14 for pi.

Yakvenalex [24]

Since the radius is 5.8 you have to do 2 x 3.14 x 5.8 then that will give you , your answer 36.42

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lora16 [44]

Answer: 4.1 cups of flour

Step-by-step explanation: Each cookie contains 0.125 of flour. If Megan wants 2.75 times as many cookies as the recipe calls for she would have to make 33 cookies. 0.125 x 33 = 4.1 CUPS OF FLOUR.

***If you found my answer helpful, please give me the brainliest. :) ***

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oee [108]

Where is the table?

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If you invest $600 at 5% interest compounded continuously, how much would you make after 6 years?

algol13

Answer:

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Step-by-step explanation:

Amount of money = Principal x e^(rate x year)

= 600 x e^(0.05 x 6)

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3 years ago

Read 2 more answers