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quester [9]
3 years ago
6

Need help plz with this if nobody don’t mind

Mathematics
2 answers:
Triss [41]3 years ago
7 0

Answersheeeeeeeeeeeeeeeeeeeeeeeeeesssh

Step-by-step explanation:

Phoenix [80]3 years ago
4 0
I don’t get the question
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What is the value of k?
Georgia [21]

Answer:55

Step-by-step explanation:

8 0
3 years ago
X=8 y=20 find y when x=42
mart [117]

In this problem, we need to use the concept of proportions. Proportion says that two ratios (or fractions) are equal. So, we have two numbers, namely:

x=8 \ and \ y=20

So, the given proportion is:

\frac{x}{y}=\frac{8}{20} \\ \\ \therefore \frac{x}{y}=\frac{2}{5}

That is, x-out-of-y is equal to 2-out-of-5

On the other hand, we know that x=42, so by using the previous proportion we have:

\frac{42}{y}=\frac{2}{5} \\ \\ Isolating \ y: \\ \\ y=\frac{42 \times 5}{2} \\ \\ y=\boxed{105}

6 0
3 years ago
Read 2 more answers
A building 350 feet tall casts a shadow 1/2 mile long. How long is the shadow of a person five feet tall?
Nuetrik [128]

Answer:

37.7 feet

Step-by-step explanation:

1/2 mile is 2,640.. which you would do 2,640 ÷ 350 and it will give you some number... now with that number you would multiply that with 5.

6 0
3 years ago
What is the value of 10^6?
ss7ja [257]
It would be 1000000.

hope this helps you

6 0
3 years ago
When adding or subtracting with scientific notation,why is it important to have the same power of 10?
sladkih [1.3K]
<h2>Explanation:</h2><h2></h2>

Because we perform something like common factor, so this guarantee that corresponding digits have regarding coefficients have the same place value. Remember that a number written in scientific notation is given by the product of a number between 1 and 10 and another number that is power of 10. For example, let's write two examples about this:

Addition:

a=2\times 10^3 \\ \\ b=4\times 10^3 \\ \\ \\ Then: \\ \\ a+b=2\times 10^3+4\times 10^3 \\ \\ =(2+4)\times 10^3 \\ \\ =5\times 10^3

Addition:

a=2\times 10^3 \\ \\ b=4\times 10^3 \\ \\ \\ Then: \\ \\ a+b=2\times 10^3+4\times 10^3 \\ \\ =(2+4)\times 10^3 \\ \\ =6\times 10^3

Subtraction:

a=7\times 10^5 \\ \\ b=2\times 10^5 \\ \\ \\ Then: \\ \\ a-b=7\times 10^5-2\times 10^5 \\ \\ =(7-2)\times 10^5 \\ \\ =5\times 10^5

4 0
3 years ago
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