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2 years ago

8. Critique Reasoning Franco made this graph to

Mathematics

1 answer:

lubasha [3.4K]2 years ago

6 0

The graph that Franco made is incorrect.

A linear equation is in the form:

y = mx + b

where y, x are variables, m is the slope of the line and b is the y intercept

Given the equation:

y = -x

The equation was plotted using geogebra online graphing tool. The graph is attached.

The graph that Franco made is incorrect.

Find out more at: brainly.com/question/13911928

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Brian can lay a slab of concrete in 6 hours, while Greg can do it in 4 hours. If Brian and Greg work together, how long will it

anastassius [24]

Answer:

2 2/5 hours

Step-by-step explanation:

In 6 hours Brian can lay 1 slab of concrete

dividing both side by 6

in 6/6 hours Brian can lay 1/6 slab of concrete

Thus, in 1 hour Brian can lay 1/6 slab of concrete

In 4 hours Greg can lay 1 slab of concrete

dividing both side by 4

in 4/4 hours Greg can lay 1/4 slab of concrete

Thus, in 1 hour Greg can lay 1/4 slab of concrete

Thus, total part of slab laid by both in 1 hour when they work together

1/6 + 1/4 = 4+6/(6*4) = 10/24 = 5/12

5/12 of slab of concrete is laid by both of them in 1 hour

time taken to lay 5/12 of slab = 1 hour

dividing both side by 5/12

time taken to 5/12/ 5/12 of slab = 1/5/12 hour = 12/5 hours

time taken to 1/1 of slab = 12/5 hours = 2 2/5 hours

Thus,

it takes 2 2/5 hours to lay the full slab of concrete when Brian and Greg work together,

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3 years ago

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aleksklad [387]

Answer:

$=81$

Step-by-step explanation:

$\left(-3\right)^4$

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PEMDAS

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