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LuckyWell [14K]
3 years ago
14

The sum of two numbers is 12, and their difference is 17. What are the numbers.

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
7 0

Answer:

14.5 and -2.5

Step-by-step explanation:

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A line that includes the points (9,j) and (10,4) has a slope of 1. What is the value of j?
Sergeu [11.5K]

Answer:

soln

A=(9,j)

x1=9,y1=j

B=(10,4)

x2=10,y2=4

slope=1

by using the fomulaof slope,

slope=y2-y1/x2-x1

1 =4-j/10-9

1 = 4-j/1

1=4-j

j=4-1

j=3

5 0
3 years ago
Read 2 more answers
How do I get the answer??
Lubov Fominskaja [6]

Answer:

4√10

Step-by-step explanation:

Hello!

Let's first simplify the radical.

We can do this by expanding the radical:

We need to pull out a perfect square factor to expand a radical and simplify it. In 45, we have 9 and 5 multiplied, and 9 is a perfect square.

Let's work with √45:

  • √45 can be written as √9 * √5 (using the rule √ab = √a * √b)
  • √9 simplifies to 3, so it is 3√5

Now we can simplify the operation in the parenthesis by combining like terms:

  • 3√5 + √5
  • √5 + √5 + √5 + √5
  • 4√5

Now using the same rule as above, we can multiply the values:

  • √2(4√5)
  • 4√10

Your solution is 4√10

3 0
2 years ago
F(x) = 7x + 9, g(x) = 4x - 1;<br> Find (fºg)(x).
Oxana [17]

Answer: (fºg)(x) = 28x + 2

(Step-by-step explanation:

8 0
3 years ago
What is csc of angle b<br> reduce fractional answer to lowest terms
Evgen [1.6K]

Answer: about61

Step-by-step explanation:

3 0
3 years ago
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Identify the domain of the function shown in the graph .
lilavasa [31]

Answer:

Option B

Step-by-step explanation:

Domain of a function is the set of x-values or input values.

Similarly, Range of a function is the set of y-values of output values.

From the graph attached,

Function is defined for all x-values (For all real numbers).

Therefore, domain of the function is {x | x ∈ R}

Option B will be the answer.

4 0
3 years ago
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