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Annette [7]
3 years ago
11

Solve for x: -2x + 1 = -6

Mathematics
1 answer:
lukranit [14]3 years ago
8 0
<h2>Answer:</h2>

This is a 2-step equation. We will solve it in 2 steps.

-2x + 1 = -6\\\\-2x = -7\\\\x = \frac{7}{2}

The solution for this equation is x =<em> </em>\frac{7}{2}.

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Use the drawing tool(s) to form the correct answer on the provided number line. Consider the functions below. Represent the inte
Leno4ka [110]

In order to solve this problem, we will need a little more information, for example, we need to know what the functions are. Let's say the problem looks like this:

Use the drawing tool(s) to form the correct answer on the provided number line. Consider the functions below.

f(x)=|3x|-3

and

g(x)=-x^{2}+8x-5

Represent the interval where both functions are increasing on the number line provided.

Answer:

See attached picture

Step-by-step explanation:

Since this problem is posted on the algebra section of Brainly, I assume we will need to make use of an algebraic approach to solve this. Basically, the idea is to graph the functions and find the x-values for which both functions increas. In order to graph the functions, we will need to build a table with points for each of the functions. In order to graph the functions you need to pick the x-values you wish and evaluate them in the given functions. (See attached pictures)

Once you got the desired points, you can plot them in the coordinate axis and find the x-values for which both graphs will be increasing. If we take a close look at the graphs we can see the f(x) graph increases in the interval:

(0,∞)

and the g(x) graph increases in the interval:

(-∞,4)

so the interval in which both graphs are increasing will be the region where both intervals cross each other, which will be (0,4)

so that's the interval we draw on our number line. (see attached picture.

7 0
3 years ago
a chocolate company selects 800 random packages to check their weight. It finds that 12 packages have an incorrect weight. How m
Lerok [7]

Answer:

1.5% of 4000 or 60

Step-by-step explanation:

5 0
2 years ago
Parabola A can be represented using the equation (x + 3)2 = y, while line B can be represented using the equation y = mx + 9. Is
tekilochka [14]

Answer:

The correct answer is C

Step-by-step explanation:

Isabel is incorrect because the point of intersection between line B and parabola A that can be determined is the y-intercept of the equations

Hope this helps!

3 0
2 years ago
Read 2 more answers
Two different sized triangles have a scale factor of 2:3. If the hypotenuse ( the longest side ) of the bigger triangle measures
OlgaM077 [116]

Answer:

16 in

Step-by-step explanation:

The 3 part of the ratio represents 24 inches.

Dividing by 3 gives the value of one part of the ratio.

24 in ÷ 3 = 8 in ← value of 1 part of the ratio, thus

2 parts = 2 × 8 in = 16 in ← hypotenuse of smaller triangle

6 0
3 years ago
Find the solutions of the quadratic equation 3x^2 – 2x +4= 0.
Sergeeva-Olga [200]

Answer:

C. x =(1±i√11)/3

Step-by-step explanation:

Use the quadratic formula to find the solutions.

(−b±√b²−4(ac))/2a

Substitute the values a=3, b=−2, and c=4 into the quadratic formula and solve for x.

2±√(−2)²−4⋅(3⋅4)2⋅3

Simplify.

x=(1±i√11)3

6 0
3 years ago
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