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marusya05 [52]
2 years ago
6

A mixture of purple paint contains 6 teaspoons of red paint and 15 teaspoons of blue paint. To make 35 teaspoons of purple paint

, how much red paint would we need?
Mathematics
2 answers:
seropon [69]2 years ago
8 0
210 teaspoons of red paint
Serggg [28]2 years ago
7 0

Answer:

Step-by-step explanation:

14 teaspoons of red paint

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The volume of a cube is 441cm3.<br> Work out the length of its side rounded to 1 DP.
Klio2033 [76]

Answer:

volume of a cube = 441cm3.

l³=441cm³

l=7.6cm

5 0
3 years ago
What is the explicit formula for the sequence 10, 15, 22.5, 33.75, …?
Flura [38]

Answer:

Step-by-step explanation:

Since there's no one one number you can add to one number in the sequence to get to the next number, this is not arithmetic. It must be geometric. We need then to find the common ratio. Let's start with the first 2 numbers, find a ratio, and then use it to test for accuracy.

10x = 15 and

x = \frac{15}{10}=\frac{3}{2} If this is in fact a geometric sequence witha common ratio of 3/2, we should be able to multiply 15 by 3/2 to get to the next number in the sequence. Let's try it out:

15(\frac{3}{2})= \frac{45}{2}=22.5 Good. So the common ratio is 3/2. The formula for an explicit geometric formula is

A_n=a_1(r)^{n-1 where a1 is the first number in the sequence and r is the common ratio. Filling in:

A_n=10(\frac{3}{2})^{n-1

8 0
3 years ago
5/12 hour = how many minutes. And 2/3 yard = how many inches
Brums [2.3K]
There are 60 minutes in one hour. So 5/12 of 60 minutes (1 hr) is 25 minutes.
There are 36 inches in one yard. So 2/3 of 36 inches (1 yard) is 24 inches.
Hope this helps. 

3 0
3 years ago
Which angle is congruent to 5?
solniwko [45]

Answer:

Angle #4

Step-by-step explanation:

4 & 5 are equal, and opposite.

1 & 2 are also congruent by this standard.

6 0
2 years ago
Suppose the population of a town is 2700 and is growing 4% per year. Write an equation to model the population growth. Predict t
Leviafan [203]

Answer:

Equation: P = P0(1.04)^n

Population at 12 years: 4323

Step-by-step explanation:

The population starts at 2700 and increases by 4% per year. In equation form this can be written as:

P = P0(1.04)^n

Where P is the final population, P0 is the initial population, and n is the number of years.

Subbing in 2700 for P0 and 12 for n we get:

P = 2700(1.04)^12

P = 4323

5 0
3 years ago
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