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3 years ago

5/1 + 1/7 this is how the problem is set up do I flip the 5/1 if so what method...

1 answer:

8 0

Use the fraction addition formula. $\frac{a}{b} + \frac{c}{d}= \frac{(ad+bc)}{bd}$

Substitute the numbers into the formula.
a=5, b=1, c=1, d=7

$\frac{5}{1}+ \frac{1}{7} = \frac{12}{35}$

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Write an equation for the line (4,7) and ( 1,1)2. Write an equation for the graph

Nastasia [14]

ANSWER:

$y=2x-1$

STEP-BY-STEP EXPLANATION:

We have that the equation in its slope-intercept form is the following:

$\begin{gathered} y=mx+b \\ m\text{ is the slope and b is the y-intercept } \end{gathered}$

The slope can be calculated as follows:

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

We use the points (4,7) and (1,1) to calculate the slope:

$m=\frac{1-7}{1-4}=\frac{-6}{-3}=2$

Now, we calculate the value of b, using the point (1,1) and the slope, like this:

$\begin{gathered} 1=1\cdot2+b \\ b=-2+1 \\ b=-1 \end{gathered}$

Therefore, the equation would be:

$y=2x-1$

5 0

1 year ago

Jacob sells stools with round seats. if

Bas_tet [7]

The surface area of the stool is 3629.84 square cm

<h3>How to determine the surface area?</h3>

The radius is given as:

r = 34.2

The surface area is calculated using:

A = πr^2

So, we have:

A = 3.14 * 34^2

Evaluate

A = 3629.84

Hence, the surface area of the stool is 3629.84 square cm

Read more about surface area at:

brainly.com/question/6613758

#SPJ1

5 0

1 year ago

Help me on this question

NeX [460]

Answer:

$x = 18$

Step-by-step explanation:

Vertically Opposite Angles are equal..

so,

$x + 54 = 4x \\ 54 = 4x - x \\ 54 = 3x \\ \frac{54}{3} = \frac{3x}{3} \\ 18 = x$

4 0

3 years ago

Read 2 more answers

Jim drives his children to their sports activities outside of school. When he drives his son to baseball practice, it is a 6-km

trapecia [35]

Answer:

17.4 kilometers per week

Step-by-step explanation:

we know that

The number of kilometers that Jim drives a week is equal to the number of baseball practice multiplied by its round trip plus the number basketball practice multiplied by its round trip

Remember that

$1\ km=1,000\ m$

$1,800\ m=1,800/1,000=1.8\ km$

$2(6)+3(1.8)=17.4\ km$

6 0

3 years ago

What is the slope of the line that contains the points (1,-1) and (-2,8)? (Also can you show me how you got it please?)

ArbitrLikvidat [17]

The answer is -3

You use the formula y1-y2
———
x1-x2
-1 and 8 are your y’s
1 and -2 are your x’s

Your equation should look like this
-1-8 -9
—— = —— = -3
1-(-2) 3

I plugged the y’s and x’s into the formula.
I hope this helps!!

3 0

3 years ago