3 years ago

How do you do One-Step Equations?

2 answers:

5 0

It depends on the kind of equation. It could be subtraction, addition, division, our multiplication. If you give an equation, I may be able to help you.

olga55 [171]3 years ago

4 0

I agree with the comments. If you give an example, I will walk you through the steps to solve it.

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A number r is no less than −1.5 and fewer than 9.5

melisa1 [442]

Answer:

r can be any number -1.5 to 9.4999999

Step-by-step explanation:

4 0

3 years ago

for the spring fundraiser, there were 50 committee members. Each member worked 2 hour. The eveent raised $ 1,267.00. What amount

Sindrei [870]

50 x 2 =100 hours
1267/100= 12.67
$12.67 was raised per hour

3 0

3 years ago

4. A horizontal ellipse, centered at the origin has a major axis of 10 units and minor axis of 8 units. Write the

s2008m [1.1K]

Answer:

$\frac{x^2}{25} +\frac{y^2}{16} =1$

Step-by-step explanation:

For ellipses, the length of the major axis is represents as:

Major axis = $2a$

where $a$ is called the semi-major axis.

In this case since the major axis is equal to 10 units:

$10=2a$

solving for the semi-major axis $a$ :

$a=10/2\\a=5$

and also the minor axis of an ellipse is represented as:

Minor axis = $2b$

where $b$ is called the semi-minor axis.

Since the minor axis has a length of 8 units:

$8=2b$

solving for b:

$b=8/2\\b=4$

Now we can use the equation for an ellipse centered at the origin (0,0):

$\frac{x^2}{a^2} +\frac{y^2}{b^2} =1$

and substituting the values for $a$ and $b$ :

$\frac{x^2}{5^2} +\frac{y^2}{4^2} =1$

and finall we simplify the expression to get the equation of the ellipse:

$\frac{x^2}{25} +\frac{y^2}{16} =1$

5 0

3 years ago

Because the graph below is misleading, which magazine appears to have about four times the circulation of Circuitry Today?

OverLord2011 [107]

I think the answer is b

7 0

2 years ago

Find b. Question 19 options: 70.1 57.7 31.5 43.8

Reptile [31]

Answer: 57.7

Step-by-step explanation:

6 0

3 years ago