the ratio 1mm represents 1cm is the same as 1:10 complete the following the ratio 1cm represents 1km is the same ratio as 1:

Answers

Answer 1

Answer: Answer: 1:100

Explanation: If 1cm is 10 and there is 1mm for every 10cm, and the unit that is after centi- is kilo- then all you’d have to do is put another zero.

Answer 2

Answer:

Final answer:

Given that 1 km is equal to 100000 cm, the ratio of "1 cm represents 1 km" is identical to the ratio of "1:100000."

Explanation:

The ratio in the question has been adjusted from millimeters to centimeters and is presently being altered from centimeters to kilometers. In light of the fact that 1 centimeter is equal to 0.00001 kilometers, the original ratio of 1cm:1km can be restated as 1:100000. In other words, 1cm represents 1km is the same ratio as 1:100000. This is a demonstration of how units of measure can impact ratios and proportions in mathematics.

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This recipe makes 3 portions of potato soup. Richard follows the recipe but wants to make 9 portions.
Complete the amounts of each ingredient that he needs.

Recipe: Serves 3
20 ml oil
30 g onions
400 g potatoes
450 ml milk

Answers

Answer:

60 ml oil, 90 g onions, 1200 g potatoes, 1350 ml milk

Step-by-step explanation:

What you need to do here is multiply all of these ingredients by 3, because the recipe serves 3 and he needs to serve 9, and 9/3 = 3. Therefore, he would have to triple the recipe.

A line in the Cartesian plane passes through the points (–2, 4) and (2, –1). What are the rise and the run of the line?a. The rise is –5, the run is 4.
b. The rise is –4, the run is –5.
c. The run is –5, the rise is 4.
d. The run is 4, the rise is 5.

Answers

Answer: a. The rise is –5, the run is 4.

Step-by-step explanation:

Given :- A line in the Cartesian plane passes through the points (–2, 4) and (2, –1)

Let $(x_1,y_1)=(-2,4)$ and $(x_2,y_2)=(2,-1)$

We know that rise of a line = vertical change of points=change in the coordinates of y

= $y_2-y_1=-1-4=-5$

Run of line=horizontal change of points=change in the coordinates of x

= $x_2-x_1=2-(-2)=2+2=4$

Therefore, The rise is –5, the run is 4.

Hello,

C is the good answer.

Δy=-1-4=-5 is the rise

Δx=2+2=4 is the run.

Question number 4 please help

Answers

$(x^2+x-30)/(x^2-3x+2)\n\nx^2-3x+2=0\n\nx^2-x-2x+2=0\n\nx(x-1)-2(x-1)=0\n\n(x-1)(x-2)=0\iff x-1=0\ \vee\ x-2=0\n\nx=1\ \vee\ x=2\n\nAnswer:For\ x=1\ or\ x=2.$

A bag contains 4 oranges, 3 grapefruits, and 8 tangerines. A piece of fruit is chosen from the bag at random. What is the probability that a grapefruit is NOT chosen?

Answers

What you’ll have to do is find the probability of the oranges and the tangerines. There is a total is 15 fruit. 12 of those are not grapefruit. You’ll then have to find the percentage of 12/15.

12 is divided by 15, then multiplied by 100.

12 divided by 15 = 0.08

0.08 x 100 = 80

There is an 80% chance that a grapefruit will not be picked.

Answer:

80% converted into a fraction is 4/5

the grapefruit has a probability of not being chosen 4/5 times

A researcher wants to develop a product for families who have small children. He needs to determine if there is a nationwide interest in a toy that will help children describe their emotions. He asks only a sample of the population to complete his survey. What should be true of the sample so that the results of the survey can be used to predict the results of surveying the population?A) The size of the sample should be the same size as the population.
B)The families included in the sample should represent the families in the population.
C) The families included in the sample cannot be included in the population.
D)The size of the sample should be larger than the size of the population.

Answers

Here is the answer to the given question above. Given the scenario, that statement that is considered true of the sample so that the results of the survey can be used to predict the results of surveying the population is this: The families included in the sample should represent the families in the population. The answer would be option B.

Answer:

The answer is B.

What is the value of s in the equation 3r=10+5s

Answers

3r=10+5s
3*10=10+5s
30=10+5s
30-10=5s
20=5s
s=4
r=10

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