All categories

3 years ago

A certain shade of pink is created by adding 3 cups of red paint to 7 cups of white paint.

Mathematics

2 answers:

elixir [45]3 years ago

7 0

I’m pretty sure the answer is 0.4

Debora [2.8K]3 years ago

4 0

Answer: The answer is 0.429 (0.43 or 0.4)

Step-by-step explanation: When you do 7/3, you get 2.33. So, you take 1 for the 1 cup of red paint and divide it from 2.33 (constant of proportionality) and you get 0.4!

You might be interested in

Ben played at a friends house for 2 hours and 35 minutes.Later he played at a park.He played for a total of 3 hours 52 minutes t

rjkz [21]

1hour and 17 minutes

8 0

4 years ago

Read 2 more answers

Solve for x without using a calculator<br> x^4+81=0

Roman55 [17]

X^4+81=0 sorry if I got it wrong I apologize

8 0

3 years ago

Read 2 more answers

An equation of an ellipse is given. y2 = 1 − 3x2 (a) Find the vertices, foci, and eccentricity of the ellipse. vertex (x, y) = (

oksian1 [2.3K]

Answer:

Step-by-step explanation:

Given

$y^2=1-3x^2$

$3x^2+y^2=1$

$\frac{x^2}{(\frac{1}{\sqrt{3}})^2}+\frac{y^2}{1}=1$

therefore it is a vertical ellipse

thus a=1

$b=\frac{1}{\sqrt{3}}$

eccentricity of Ellipse

$e^2=1-\frac{b^2}{a^2}$

$e^2=1-\frac{1}{(\sqrt{3})^2}$

$e^2=1-\frac{1}{3}$

$e^2=\frac{2}{3}$

$e=\sqrt{\frac{2}{3}}$

Focii are $(0,ae)$ and $(0,-ae)$

$ae=1\times \sqrt{\frac{2}{3}}$

thus focii are $(0,\sqrt{\frac{2}{3}})$ & $(0,-\sqrt{\frac{2}{3}})$

(b) Length of major axis $=2a=2\times 1$

length of minor axis $=2b=2\times \sqrt{\frac{2}{3}}=2\cdot \sqrt{\frac{2}{3}}$

8 0

3 years ago

A pharmacist is filling small empty bottles with cough syrup from a larger bottle. He can solve the inequality to find the numbe

sammy [17]

Answer:

1000 -25x >250.

Step-by-step explanation:

Let us assume the capacity of a large bottle = 1000 ml.

And the capacity of each small bottle = 25 ml.

Reaming milliliters in large bottles = 250 milliliters.

Number of bottles = x bottles.

The total capacity of the large bottle - capacity of a small bottle × number of bottles > Remaining milliliters in a large bottle.

Therefore, we can set up an inequality.

1000 - 25 × x > 250.

1000 -25x >250.

4 0

4 years ago

Pen has 1/2- cup and 1/8- cup measuring cups. What are two ways he could measure 1 3/4 cups of flour?

astraxan [27]

<span>You can get two half cups and then two eighth cups OR you can get fourteen eighth cups</span>

4 0

3 years ago

Read 2 more answers