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zavuch27 [327]
3 years ago
5

An unknown number y is 15 more than an unknown number x. The number y is also x less than 8. The equations to find x and y are s

hown below.
y = x + 15
y = −x + 8

Which of the following statements is a correct step to find x and y?

Multiply the equations to eliminate y.
Add the equations to eliminate x.
Write the points where the graphs of the equations intersect the x-axis.
Write the points where the graphs of the equations intersect the y-axis.
Mathematics
2 answers:
melomori [17]3 years ago
6 0
Add the equations to eliminate x
charle [14.2K]3 years ago
5 0

Answer:

the answer is B. add all the equations to eliminate x. its true. i did the test and  i defiantly got it right.    (brainliest would b appreciated)

Step-by-step explanation:

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The mapping diagram shows a function S(x).<br><br> Which mapping diagram shows the inverse of S(x)?
Nutka1998 [239]
<h3>Answer: Choice A</h3>

Explanation:

Notice how the input 5 leads to the output 3 when we look at the S(x) function. The inverse will undo this. So that must mean the answer is choice A where we have the input 3 lead to the output 5. In short, the inputs and outputs swap places. This means the domain and ranges swap.

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3 years ago
Match the statement to symbols<br> a quarter of a number<br> 4/x<br> 4x<br> ox/4<br> 1/4+x
Reil [10]
A quarter of the number would be 1/4 +x
7 0
3 years ago
What is the probability you roll doubles on two 6 sides dice <br> please show work
Mars2501 [29]

Answer:

1/6

Step-by-step explanation:

We can start by determining all the different combinations we can get.

We are using 6 sided dices, so we have a chance of getting 6 different numbers for each dice.

If we only have 1 dice, the our possible values would be:

1, 2, 3, 4, 5, 6

However, we have 2 dices. As such, our combinations have been multiplied, and now our possibilities are:

(1 , 1) , (1 , 2) , (1 , 3) , (1 , 4) , (1 , 5) , (1 , 6) , (2 , 1) , (2 , 2) , (2 , 3) , (2 , 4) , (2 , 5) , (2 ,6), and so on for 3, 4, 5, and 6

We can find the number of combinations by simply multiplying the amount of possible values for each dice.

Since both dices have 6 possible values, we multiply 6 by 6, and the amount of possible combinations is 36.

Now, let's determine the possibility for getting a double.

First, let's determine how many doubles we can get:

(1 , 1) , (2 , 2) , (3 , 3) , (4 , 4) , (5 , 5) , (6 ,6)

There are 6 different combinations for rolling a double.

So, our probability of rolling a double on two 6 sided dices is 6 out of 36

We can simplify that to 1 out of 6.

So the probability of rolling a double on two 6 sided dices is 1/6

8 0
2 years ago
Round 657,325 to nearest ten thousand <br><br><br> round 543,993 to the nearest ten
Anit [1.1K]

660,000 when rounded to the nearest ten thousand

540,000 to nearest ten thousand


4 0
3 years ago
Read 2 more answers
Peter sold watches ($7) and necklaces ($4) at a flea market. Total sales were $300. People bought 3 times as many watches as nec
Maslowich
<span>36*7=252
21*4=48
total is $300
 12 necklaces and 36 watches.</span>
5 0
3 years ago
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