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kolezko [41]
2 years ago
12

What is the value of k?

Mathematics
1 answer:
Nadya [2.5K]2 years ago
5 0

Answer:k=2.4

Step-by-step explanation:

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2 PART QUESTION
AleksandrR [38]
The first answer is B because the bottom half of the proportions are how many km/minutes he CAN run, while the top half of the proportion is how many he WILL run.

He will run 60km in 285 minutes.
8 0
2 years ago
Mary sees 10 ravens and 5 blackbirds in a tree. Which of the following best compares the number of ravens and blackbirds in the
NikAS [45]

Answer:

there are 15 birds all together and 5 black birds on the tree.

Step-by-step explanation:

4 0
2 years ago
How to solve the equation 9v = 8 + v
zloy xaker [14]
Here are some things you should know when solving algebraic equations.

If you add an expression to both sides of an equation, the resulting equation will have the same solution set as the original equation. In other words, they will be equivalent. This is true for all operations. As long both sides are treated the same, the equation will stay balanced.

You will also need to know how to combine like terms. But what are like terms to begin with? Like terms are defined as two terms having the same variable(s) (or lack thereof) and are raised to the same power. In mathematics, something raised to the first power stays the same. So, 5x and 10x are like terms because they both have the same variable and are raised to the first power. You don’t see the exponents because it doesn’t change the value of the terms.

To combine like terms, simplify add the coefficients and keep the common variable(s) and exponent.

The distributive property is another important rule you will need to understand.

The distributive property is used mostly for simplifying parentheses in expressions/equations. 

For example, how would you get rid of the parentheses here?

6(x + 1)

If there wasn’t an unknown in between the parentheses, you could just add then multiply. That is what the distributive property solves. The distributive property states that a(b + c) = ab + ac

So, now we can simplify our expression.

6(x + 1) = 6x + 6

Now let's solve your equation.

9v = 8 + v
8v = 8 <-- Subtract v from each side
v = 1 <-- Divide both sides by 8

So, v is equal to 1.
5 0
2 years ago
Please explain and help me with this question.
k0ka [10]

it is so easy

Step-by-step explanation:

can i help you

5 0
2 years ago
In the diagram, the measure of 1 is 55°. If line y is rotated 5° clockwise about the point of
REY [17]
A. 60 degrees is the answer
5 0
2 years ago
Read 2 more answers
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