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3 years ago

PLEASE HELP MODULE 7

Mathematics

1 answer:

barxatty [35]3 years ago

3 0

The difference between a temperate coniferous forest and a taiga forest is a temperate coniferous forest receive a good amount of rainfall.

<h3>What is a temperate coniferous forest ?</h3>

Temperate coniferous forest is a terrestrial biome that is found in coastal regions that have warm summers and cool winters. They are also found in montane areas.

<h3>What is a taiga forest?</h3>

A taiga forest is characterised by cold, harsh climate with a low rate of rainfall and snow. They are characterized by coniferous forests.

To learn more about taiga forest, please check: brainly.com/question/7131637

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Select the table that represents a linear function. (Graph them if necessary.) O A. A. X 012 3 124 8 B. X 0 1 2 3 y 01 03 O C. (

lozanna [386]

9514 1404 393

Answer:

Step-by-step explanation:

The x-values are evenly-spaced, so any linear function table will have constant differences between the y-values. Here are the y-differences for the different options:

A 1, 2, 4

B 1, -1, 3

C -1, -2, 1

D 5, 5, 5 . . . . this represents a linear function

3 0

3 years ago

Find x: 3/(x-4)(x-7) + 6/(x-7)(x-13) + 15/(x-13)(x-28) - 1/x-28 = -1/20

Novay_Z [31]

The value of x<em> </em>in the polynomial fraction 3/((x-4)•(x-7)) + 6/((x-7)•(x-13)) + 15/((x-13)•(x-28)) - 1/(x-28) = -1/20 is <em>x </em>= 24

<h3>How can the polynomial with fractions be simplified to find<em> </em><em>x</em>?</h3>

The given equation is presented as follows;

$\frac{3}{(x - 4) \cdot (x - 7) } + \frac{6}{(x - 7) \cdot (x - 13) } + +\frac{15}{(x - 13) \cdot (x - 28) } - \frac{1}{(x - 28) } = - \frac{1}{20}$

Factoring the common denominator, we have;

$\frac{3\cdot(x - 13) \cdot(x - 28) + 6 \cdot(x - 4) \cdot(x - 28) + 15 \cdot(x - 4) \cdot(x - 7) - (x - 4) \cdot (x - 7)\cdot(x - 13)}{(x - 4) \cdot (x - 7)\cdot(x - 13) \cdot(x - 28)} + = - \frac{1}{20}$

Simplifying the numerator of the right hand side using a graphing calculator, we get;

By expanding and collecting, the terms of the numerator gives;

-(x³ - 48•x + 651•x - 2548)

Given that the terms of the numerator have several factors in common, we get;

-(x³ - 48•x + 651•x - 2548) = -(x-7)•(x-28)•(x-13)

Which gives;

$\frac{-(x - 7) \cdot(x - 28)\cdot (x - 13)}{(x - 4) \cdot (x - 7)\cdot(x - 13) \cdot(x - 28)} + = - \frac{1}{20}$

Which gives;

$\frac{-1}{(x - 4)} + = - \frac{1}{20}$

x - 4 = 20

Therefore;

x = 20 + 4 = 24

Learn more about polynomials with fractions here:

brainly.com/question/12262414

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5 0

2 years ago

A silversmith mixed 100 g of a 40% silver alloy with 40 g of

notsponge [240]

Hey, don’t call for that link thing. It’s fake. Here’s how I solved this: x = [35(80%) + 70(25%)]/(35 + 70) = 43.3%

The answer is 43.3%

6 0

3 years ago

Can you please help<br><br> Solve: x/2 = 7<br><br> Answers are: <br> x=5<br> X=7<br> X=9<br> X=14

QveST [7]

Answer:

X = 14

14/2=7

6 0

4 years ago

Read 2 more answers

1. What does it mean for a number to have a variable at the end of it? (i.e 1.6x)

miskamm [114]

Answer:

1. 1.6x has a variable which means an unknown number

2. 5 more than 0.10 times a number

Step-by-step explanation:

A variable is an unknown number represented by a letter. It provides a way to write a relationship in the real world without knowing all the values involved, 1.6x means 1.6 times an unknown number mathematically. A real world example would be a percent growth of 60% on an unknown price - 1.6x.

5 + 0.10x means 5 more than 0.10 times an unknown number. A real world example here would be "10% off a sale plus $5 coupon". We don't know the price of the item but we do know it is 10% off and we get $5 off. Once we know the price we input it int for x and find the total discount.

8 0

3 years ago