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3 years ago

Solve the following equation for x. x^2 - 36 = 0

Mathematics

1 answer:

Ilia_Sergeevich [38]3 years ago

4 0

X = -6, x = 6
option c

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PLEASE HELP ME! Find the 10th term of the geometric sequence that has a1 = 400 and A2 = 200.

algol13

Answer:

I believe the answer is 0.7813

Step-by-step explanation:

Find the difference between 400 and 200, as they are first and second terms. This is going to be 0.5 since it is being divided.

The formula is: a∨n=a∨1(r)^(n-1)

n= the number of the sequence you are looking for

r=0.5

a∨1=400

a∨2=200

400(0.5)^(10-1)

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2 years ago

The figure below shows a line graph and two shaded triangles that are similar:

Mariulka [41]

Answer:

Step-by-step explanation:

i'm not 100% sure though

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3 years ago

Read 2 more answers

Ann is growing two different plants for a science project. Plant A grew 4/12 inch the first week and 2/12 inch the second week.

Galina-37 [17]

Start the number line from 0 and put divisions at 1/12. Then mark at 4/12 for plant A and indicate this was its growth in the first week. Then, make another mark up to 6/12 and indicate this was the plant's growth in the second week.
For plant B, make one mark at 7/12 and indicate that this is plant B's growth in the first week.

After two weeks, plant A has a height of 6/12 inches and plant B has a height of 7/12 inches, so B is taller.

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3 years ago

ASAP PLEASE! :) A store sells 3 categories of kitchen items: cups, bowls, and spoons. There are 5 types of cups, 4 types of bowl

Nezavi [6.7K]

Answer:

Step-by-step explanation:

5 x 4 x 2 = 40

6 0

3 years ago

Y = 4x - 5 and (3,4) (7, 3) A. parallel B. perpendicular D. neither

s344n2d4d5 [400]

Answer:

The lines are perpendicular. Option B.

Explanation:

Equation of the Line

One of the characteristics of the line is its slope. It can be determined in two ways:

* From the equation y=mx+b, the m is the slope. The given equation is y=4x-5. Thus, the slope of this line is m=4.

* Suppose we know the line passes through points A(x1,y1) and B(x2,y2). The slope can be calculated with the equation:

$\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

The points are (3,4) and (7,3), thus the slope is:

$\displaystyle m=\frac{3-4}{7-3}=-\frac{1}{4}$

A. For two lines to be parallel, their slopes must be equal. Since m1=4 and m2=-1/4, the lines are not parallel. Incorrect

B. For two lines to be perpendicular, their slopes must meet the condition:

$m1*m2=-1$

4*(-1/4)=-1

Both lines are perpendicular. Correct choice

D. Since choice B. is correct, this cannot be true. Incorrect

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3 years ago