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Mila [183]
3 years ago
14

PLEASE HELP ASAP What is the sum of the first 7 terms of the series: -8 + 16 - 36 + 64 -...?

Mathematics
1 answer:
mr Goodwill [35]3 years ago
6 0
-12

-8+16-36+64-112+188-124
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What are the coordinates of the x-intercept of the equation -5y=4-2x?
umka2103 [35]
The x intercept of -5y=4-2x  equals  (2,0)
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4 years ago
Juan wants to find the mode of the data set below.
MrMuchimi

Answer:

A line plot shows all the numbers lined up and will easily show what the mode, or most occurring number is. A stem and leaf plot shows this, but is less clear and is more used for what numbers are.

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3 years ago
What is the domain of the function f(x) = x^2 + 3x + 5?
Galina-37 [17]
We need to have (x^2 - 3x + 2) ≥ 0 

<span>That is the same as (x - 2) * (x - 1) ≥ 0 </span>

<span>This happens when both (x - 2) and (x - 1) ≥ 0, which is when x ≥ 2 and when x ≥ 1, so it happens when x ≥ 2. </span>

<span>It also happens when they are both ≤ 0, which is when (x - 2) and (x - 1) are both ≤ 0. That happens when x ≤ 2 and when x ≤ 1, in other words, when x ≤ 1 </span>

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6 0
4 years ago
The inequality −8(x − 1) ≥ 88 is given. Part A: Solve the inequality and show every step of your work. (4 points) Part B: Explai
lana66690 [7]

Regarding the inequality defined by −8(x − 1) ≥ 88, we have that:

A. The solution is given by: x < -4.

B. On the number line, the solution set is composed by x = -10 and the values to the left of it.

C. Two possible solutions are x = -11 and x = -12.

<h3>Solving the inequality</h3>

The inequality is defined by:

−8(x − 1) ≥ 88

It is solved similarly to an equality, applying the distributive property and isolating the variable x, finding a range of values of x which are the solution to the inequality, as follows:

−8(x − 1) ≥ 88

8(x - 1) ≤ -88 (multiplication by -1 changes the inequality signal)

x - 1 ≤ -11 (simplify both sides of the inequality by 8).

x ≤ -10.

This the solution set is composed by the value of x = -10 and the values to the left of it, and two possible solutions are x = -11 and x = -12, which are numbers that are less than, that is, to the left of x = -10.

Learn more about inequalities at brainly.com/question/25275758

#SPJ1

5 0
1 year ago
How do graph linear equations?
Ilia_Sergeevich [38]

Here is one method.

For each equation, first, let x = 0 and solve for y. that gives you one ordered pair. Plot that point. Then let y = = and solve for x. That gives you another ordered pair. Plot that point. Then draw a line that goes through those two points. Once you do this for both equations, if the lines intersect, the point of intersection is the solution.

6 0
3 years ago
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