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kvasek [131]
3 years ago
6

A man weighs k kg. He goes on a diet and

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
3 0

Answer:

His weight is 9/10 of what it used to be before.

Step-by-step explanation:

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I will give 50points and braniliest
Anna35 [415]

Answer:

il help you if you put me as a brainlest

Step-by-step explanation:

5 0
3 years ago
HELP PLEASE<br> Will give brainliest
Alenkasestr [34]

Answer:

=7x^2+8x-2

Step-by-step explanation:

So, on Monday, Tuesday, and Wednesday, he mowed:

(4x^2+3x-4),(5x-8),(3x^2+10)

yards, respectively.

To determine how many yards he mowed in the three days, simply add the three expressions. Thus:

(4x^2+3x-4)+(5x-8)+(3x^2+10)

Combine like terms:

=(4x^2+3x^2)+(3x+5x)+(-4-8+10)

Add or subtract:

=7x^2+8x-2

And it cannot be simplified further :)

6 0
3 years ago
If a1= 7 and r=3, find a4
9966 [12]

Answer:

a4 = 189

Step-by-step explanation:

Geometric sequence:

In a geometric sequence, the quotient r between consecutive terms is always the same.

The nth term of the sequence is given by:

a_n = a_1*r^{n-1}

In which a_1 is the first term.

In this question:

a_1 = 7, r = 3

The fourth term is:

a_4 = 7*3^3 = 189

So

a4 = 189

7 0
3 years ago
Find the difference. (9/x^2-9x)-(6/x^2-81)
Sunny_sXe [5.5K]

The difference is  $\frac{3 x+81}{x(x-9)(x+9)}$

Explanation:

The expression is $\left(\frac{9}{x^{2}-9 x}\right)-\left(\frac{6}{x^{2}-81}\right)$

Removing the parenthesis, we have,

$\left\frac{9}{x^{2}-9 x}\right-\left\frac{6}{x^{2}-81}\right$

Factoring the terms $x^{2}-9 x$ and $x^{2}-81$, we get,

$\frac{9}{x(x-9)}-\frac{6}{(x+9)(x-9)}$

Taking LCM, we get,

$\frac{9(x+9)-6x}{x(x-9)(x+9)}}$

Simplifying the numerator, we get,

$\frac{9x+81-6x}{x(x-9)(x+9)}}$

Subtracting the numerator, we have,

$\frac{3 x+81}{x(x-9)(x+9)}$

Hence, the difference is $\frac{3 x+81}{x(x-9)(x+9)}$

7 0
3 years ago
435 rounded to the nearest hundred
Lady bird [3.3K]
The answer to the nearest is 400
cause 435 is closer to 400 than to 500
8 0
3 years ago
Read 2 more answers
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