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2 years ago

Don’t really understand this lesson any help

Mathematics

1 answer:

icang [17]2 years ago

7 0

Answer:

its positive.

Step-by-step explanation:

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3. If each person paid an equal amount, who would save the most money? Explain your reasoning using at least two complete senten

Rzqust [24]

There ar 4persons so each will pay

$\\ \sf\longmapsto \dfrac{83.90}{4}=20.975$

Only two persons have spent more money than everyone average i.e mia and Jasmin.

Now

Mia has-28.47
Jasmin has=20.99

Mia left more money so she saved most money.

7 0

2 years ago

Solve for the variable "a" in this equation. Show work:<br><br> c=8πab

Contact [7]

C=8πab
Divide both sides by 8πb
c/(8πb) = a

7 0

3 years ago

Consider the line x+5y=6

Tems11 [23]

Answer:

$x + 5y = 6$ is perpendicular to $y = 5x + \frac{6}{5}$ and parallel to $y = -\frac{1}{5}x + 2\\$

Step-by-step explanation:

First, convert the equation to standard form so that y is isolated.

x + 5y = 6 --> x - 6 = -5y (divide both sides by -5) --> $y = -\frac{1}{5}x + \frac{6}{5}$

A perpendicular line will have a slope that is the opposite reciprocal of the original slope (meaning you flip the numerator and denominator then make it negative).

$-\frac{1}{5}$ is perpendicular to $-(\frac{-5}{1} )$ which simplifies to 5.

A parallel line will have the same slope, but the y-intercept will be different. It can be pretty much any number as long as the original slope is used in the new equation.

$y = -\frac{1}{5}x + \frac{6}{5}\\$ is parallel to $y = -\frac{1}{5}x + 2\\$ just like $y = -\frac{1}{5}x - \frac{100}{23}$ .

6 0

2 years ago

What is the surface area?

torisob [31]

Answer:

since the formula of a triangle is ab/2 and since there is four simply multiply 3x4 which is 12 and divide by 2 which is 6 and 6x4= 24 and add that tp 9 since the base is just 3x3 which results for an answer of 33.

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Examine the figures. What is the ratio of squares to triangles?

Orlov [11]

Answer:

Step-by-step explanation:

First, count how many squares there are: 8 squares.

Now, count how many triangles there are: 6 triangles.

Ratio is simply the number of one thing divided by the number of the other. Here, since we want the ratio of squares to triangles, we have:

8 squares / 6 squares

We can simplify this to:

8 / 6 = 4 / 3

And finally, this can be written in the "ratio notation":

4 / 3 = 4 : 3

The answer is B.

5 0

2 years ago

Read 2 more answers