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masha68 [24]
3 years ago
8

To make the color purple, Jamal's art teacher instructed him to mix equal parts of red paint and blue paint. To make a different

shade of purple, the ratio of red paint to blue paint is 2:1. What does the ratio 2:1 mean?
Mathematics
1 answer:
Reptile [31]3 years ago
6 0

Answer:

Two parts red paint to one part blue.

Step-by-step explanation:

An example would be 2/3 cup red paint mixed with 1/3 cup blue.

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Help I need help with the chart the most!!!
Gemiola [76]
(a) and (b) looks correct

(c) Here's how my table looks like:

15    -18      324
27    -6       36
28    -5       25
34     1         1
42     9        81
52     19      361
           SUM 828

(d) Take the sum of 828 and divide it by 6 to get 138.  Now take the square root of 138 to get the standard deviation:

sqrt(138) ≈ 11.75
6 0
3 years ago
A city block has 6 pigeons and then 1 week later there are 9 pigeons. Let P(t)be the number of pigeons where t is measured in we
Pavel [41]

Using proportions, it is found that the differential equation which describes the growth of the pigeon population is given by:

\frac{dP}{dt} = 1.5P

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

In this problem, considering the initial population and the population one week later, the rate of growth is given by:

k = 9/6 = 1.5.

The standard differential equation for population growth is:

\frac{dP}{dt} = kP

Hence:

\frac{dP}{dt} = 1.5P

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

8 0
2 years ago
Which of the following formulas would find the lateral area of a right cylinder
zmey [24]

Answer:

2πrh unit^2.

Step-by-step explanation:

The lateral area is  the circumference of the base * the height =  2πrh.

6 0
3 years ago
T is a point inside parallelogram ABCD. The area of ΔTAB = 11, the area of ΔTBC = 4, and the area of ΔTCD = 6. Find the area of
antoniya [11.8K]

wrong question

the ∆TAC is not the triangle

5 0
3 years ago
Convert y + 3 = -3(x + 5) to standard form.
emmasim [6.3K]
Hi there!

y  + 3 =  - 3(x + 5)
First we need to work out the parenthesis, which can for instance be done using rainbow technique.

y + 3 =  - 3x  -  15
Now subtract 3 from both sides.

y =  - 3x  - 18
And finally add 3x to both sides.

3x + y =  - 18
The 4th answer choice is correct.



6 0
4 years ago
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