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3 years ago

Find the product (x-1)(x-8)

Mathematics

2 answers:

zubka84 [21]3 years ago

8 0

(x-1)(x-8)

There is a multiplying method called FOIL (First, Outside, Inside, Last). This refers to the order in which you multiply the parts in the parenthesis before adding the parts together.

First: (x)(x)= x^2
Outside: (x)(-8)= -8x
Inside: (-1)(x)= -1x
Last: (-1)(-8)= 8

Then add it up...

x^2 + (-8x) + (-1x) + 8

x^2 - 9x + 8

yuradex [85]3 years ago

4 0

This is the answer look at the steps

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In a study investigating a link between walking and improved health, researchers reported that adults walked an average of 873

Rainbow [258]

Answer:

$H_0:\mu =873\\\\H_a: \mu$

Step-by-step explanation:

Given : In a study investigating a link between walking and improved health, researchers reported that adults walked an average of 873 minutes in the past month for the purpose of health or recreation.

Claim : The true average number of minutes in the past month that adults walked for the purpose of health or recreation is lower than 873 minutes.

i.e. $\mu$

We know that the null hypothesis contains equal sign , then the set of hypothesis for the given situation will be :-

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Lerok [7]

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4 years ago

On a coordinate plane, a curved line with a minimum value of (5.1, negative 7) and a maximum value of (0, 25), crosses the x-axi

liubo4ka [24]

Answer:

The true statement is D

Step-by-step explanation:

The rest of the question is the attached figure and the statement options.

A. Over the interval [–4, –2], the local minimum is 0.
B. Over the interval [–2, –1], the local minimum is 25.
C. Over the interval [–1, 4], the local minimum is 0.
D. Over the interval [4, 7], the local minimum is -7.

============================================================

According to the graph, we will check the options:

A. Over the interval [–4, –2], the local minimum is 0. (Wrong)

Because the minimum is -12

B. Over the interval [–2, –1], the local minimum is 25. (Wrong)

Because the minimum is 18

C. Over the interval [–1, 4], the local minimum is 0. (Wrong)

Because the minimum is at x = 4 less than zero

D. Over the interval [4, 7], the local minimum is -7. (True)

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Justin wants to fence in his yard for his dog. He lives on a rectangular lot 48 feet long and 62 feet wide. How much fencing doe

Alenkasestr [34]

48 X 2 = 96
62 X 2 = 124
124+96 = 220
You could also do it this way:
P = 2(W + L)
P = 2(48 + 62) 
P = 2(110) 
P = 220 feet

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