3 years ago

{7TH GRADE} Create four (4) problems that include fractions. Solve the problems using estimation.

Mathematics

2 answers:

zaharov [31]3 years ago

8 0

Answer:

Step-by-step explanation:

bulgar [2K]3 years ago

3 0

1/4 +2/3 =
3/4 - 1/7
6/8 / 9/12

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stepladder [879]

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so on one side of A you have 98 so 180 - 98 = 82

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3 years ago

Divide use multiplication to check 6 divide 67

DanielleElmas [232]

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3 years ago

Find an equation of a line with the x- and y-intercepts below. Use exact fractions when necessary.

Ludmilka [50]

Answer:

The line with the x- and y-intercepts below has the following equation:

$f(x) = \frac{5x}{7} - 5$

Step-by-step explanation:

The equation of the line has the following format:

$f(x) = ax + b$

We are given two points, we are going to substitute them into the above equation, and find the equation of the line given the conditions.

Solution

Starting from the y-intercept makes the solution easier, since the term a is multiplied by 0

y-intercept -5

This means that when $x = 0, y = f(x) = -5$ , so:

$f(x) = ax + b$

$-5 = a(0) + b$

$b = -5$

For now, the line has the following equation:

$f(x) = ax - 5$

x-intercept 7

This means that when $y = f(x) = 0,x = 7$ , so:

$f(x) = ax - 5$

$0 = 7(a) - 5$

$7a = 5$

$a = \frac{5}{7}$

So, the line with the x- and y-intercepts below has the following equation:

$f(x) = \frac{5x}{7} - 5$

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3 years ago

8 in. 7 in. 8 in. 12 in. Find the perimeter of the figure.

Leona [35]

Answer:

35 in.

Step-by-step explanation:

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stiv31 [10]

Answer:

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Step-by-step explanation:

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2 years ago