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kykrilka [37]
3 years ago
13

Moises is determining the solution to the system of equations that is show below. Equation representing line A: y = one-third x

+ 1 Points on line B: (3, –12) and (9, –24) Step 1: Determine the slope for B: StartFraction negative 24 minus (negative 12) Over 9 minus 3 EndFraction = StartFraction negative 12 Over 6 EndFraction = negative 2. Step 2: Determine the y-intercept for B: 3 = negative 2 (negative 12) + b. 3 = 24 + b. Negative 21 = b. Step 3: Write the equation in slope-intercept form: y = negative 2 x minus 21 Step 4: Graph the equations: On a coordinate plane, a line goes through (negative 3, 0) and (6, 3) and another line goes through (negative 9, negative 3) and (negative 6, negative 9). Step 5: Determine the intersection point: approximately (–9, –2) Which best describes Moises’ error? Moises incorrectly determined the slope of the line. Moises incorrectly determined the y-intercept of the line. Moises incorrectly graphed one or both of the stated equations. Moises incorrectly approximated the point of intersection shown on the graph.
Mathematics
2 answers:
FrozenT [24]3 years ago
4 0

Answer:

the answer is B

Step-by-step explanation:

edge2020 just took the test

Ivanshal [37]3 years ago
4 0

Answer:

b

Step-by-step explanation:

took the test

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SOMEONE PLZZZ ANSWER THIS IM VERY BAD AT THIS!!
Furkat [3]

Answer:

Step-by-step explanation:

A. Linear- the add up to 180

B. 3x-5+2x+3+4x+2=180

   9x=180

    x=20

C. plug x in

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7 0
3 years ago
What is the answer for 4y^2=81
Elena L [17]
<span><u><em>Answer:</em></u>
either y = 4.5
or y = -4.5

<u><em>Explanation:</em></u>
To get the solution, we will need to isolate the y on one side of the equation.
<u>This can be done as follows:</u>
4y</span>²<span> = 81

</span>\frac{4y^2}{4} =  \frac{81}{4}
<span>
y</span>²<span> = 20.25

y = +/- </span>√(20.25)<span>
either y = +</span>√<span>(20.25) = 4.5
or y = -</span>√<span>(20.25) = -4.5

Since there are no restrictions on the value of y, therefore, both answers would be accepted

Hope this helps :)</span>
3 0
3 years ago
Read 2 more answers
2x^3=28<br><br> find the exact solution for x
Alborosie

Answer:

The answer to your question is:  x = 2.41

Step-by-step explanation:

                                            2x³ = 28

                                             x³ = 28/2

                                             x³ = 14

                                             x = ∛14

                                            x = 2.41

6 0
3 years ago
Help me thanks please please thanks
enot [183]

Answer:

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Area of little circle: 615.75

Area of shaded space: 1,231.51

Step-by-step explanation:

thats what i came up with

3 0
3 years ago
Twice a number and 5 more is 100
8090 [49]
Hello there! Thank you for asking your question here at Brainly! I will be assisting you with answering this question today, and will be teaching you how to handle it on your own in the future.

First, let's take a look at our problem.
"Twice a number and 5 more is 100."
Based on this context, we are looking for a specific number to plug in.

To solve for this, I will rewrite the problem. As I do so, I will be writing (in parenthesis) the translation of an equation.

Twice a number (2x) and 5 more (+5) is 100 (=100).

Let's rewrite everything that's in parenthesis.
2x + 5 = 100

This is our equation.
To solve for this, we will need to do some basic algebra. Of course, I will teach you how to handle this on your own in future scenarios.

2x + 5 = 100
To solve for x, we need  to isolate 2x, and then divide both sides by 2.

2x + 5 = 100
Subtract 5 from both sides to isolate 2x.
5 - 5 = 0
100 - 5 = 95

We now have the following equation:
2x = 95
Divide both sides by 2 to solve for x.

2x / 2 = x
95 / 2 = 47.5

x = 47.5

47.5 is your number.

I hope this helps!
3 0
3 years ago
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