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uysha [10]
3 years ago
13

85 x + 1.09 = 96.90 i need help

Mathematics
1 answer:
alexandr1967 [171]3 years ago
8 0

Answer:

x = 1.13

Step-by-step explanation:

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2 significant figures of 124.4562 L
Charra [1.4K]

Answer:

120 liters.

Step-by-step explanation:

124.4562 rounded to the nearest 2 significant figures is 120.

The third significant figure is 4, which is lower than five, so when rounded don't add +1 to the second significant figure.

The answer is 120 liters.

8 0
3 years ago
Please help anyone and explain?
ddd [48]

Answer:

a) 47 people (count each leaf)

b) 66 - 1 = 65 (max - min)

c) 4 (occurs the most)

6 0
3 years ago
Write a polynomial function with the given zeros. multiply the terms (write in standard form).
ryzh [129]

1) \ f(x)=x^3-3x-2 \\ \\ 2) \ g(x)=x^3-x^2-6x

<h2>Explanation:</h2>

A \ \mathbf{polynomial \ function} \ of \ x \ with \ degree \ n \ is \ given \ by:\\ \\ f(x)=a_{n}x^{n}+a_{n-1}x^{n-1}+\ldots +a_{2}x^{2}+a_{1}x+a_{0} \\ \\ where \ n \ is \ a \ nonnegative \ integer \ and \ a_{n}, a_{n-1}, \ldots a_{2}, a_{1}, a_{0} \\ with \ a_{n}\neq 0

In this exercise, we have two cases and both will be polynomial functions with degree 3 because we have three real roots in each case. So:

<h3>First.</h3>

The roots are:

x= -1, -1, 2

So we can write this polynomial functions as the product of linear factors:

f(x)=(x-(-1))(x-(-1))(x-2) \\ \\ f(x)=(x+1)^2(x-2)

Since we have to write it in standard form, let's expand:

f(x)=(x+1)^2(x-2) \\ \\ \\ By \ property: \\ \\ (a+b)^2=a^2+2ab+b^2 \\ \\ \\ f(x)=(x^2+2x+1)(x-2) \\ \\ f(x)=x^3+2x^2+x-2x^2-4x-2 \\ \\ \\ Combine \ like \ terms: \\ \\ x^3+(2x^2-2x^2)+(x-4x)-2 \\ \\ \\ \boxed{f(x)=x^3-3x-2}

<h3>Second.</h3>

The roots are:

x= -2, 0, 3

Writing the polynomial function as the product of linear factors:

g(x)=(x-(-2))(x-0)(x-3) \\ \\ g(x)=(x+2)x(x-3) \\ \\ g(x)=x(x+2)(x-3) \\ \\ \\ Distributive \property: \\ \\ g(x)=x(x^2-3x+2x-6) \\ \\ g(x)=x(x^2-x-6) \\ \\ \\ Distributive \ property \ again: \\ \\ \boxed{g(x)=x^3-x^2-6x}

<h2>Learn more:</h2>

Degree of polynomial functions: brainly.com/question/5451252

#LearnWithBrainly

7 0
3 years ago
Read 2 more answers
What is 0.08333333333 as a fraction????
katovenus [111]

Answer: So the answer is 083/1000! Hope this helped!!!!!


Step-by-step explanation:

There is not much that can be done to figure out how to write .083 as a fraction, except to literally use what the decimal portion of your number, the .083, means. Since there are 3 digits in 083, the very last digit is the "1000th" decimal place. So we can just say that .083 is the same as 083/1000.

4 0
3 years ago
How many km are equal to 3,400 m
Archy [21]
1 km = 1000 m

So 

x km = 3,400 m

that means 3.4 km would be equal to 3,400 m

your final answer is

\boxed{\bf{3.4~km}}
3 0
3 years ago
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