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aniked [119]
4 years ago
10

How to solve -2(5n+6)+5(2-7n)

Mathematics
2 answers:
Nana76 [90]4 years ago
7 0

Answer:

-45n+(-2)

Step-by-step explanation:

-10n+(-12)+10-35n

-45n+(-2)

Alex Ar [27]4 years ago
5 0

Answer:

-45n-2

Step-by-step explanation:

Let's get rid of parenthesis first using distributive property!

-10n-12+10-35n

Combine like terms!

-10n-35n--12+10

-45n-2 would be the final expression

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Write 100/100 in the simplest form
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100/100 --->   50/50 --------->   25/25  ----------->  5/5 
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A survey asked two age groups which summer sport they most preferred. The results are shown in the table below.
muminat

Answer:

6.98%

Step-by-step explanation:

To find relative frequency we divide frequency with the total number participants in that age bracket

Total number of participants age 10-19=172.....................given in the table

The frequence for those who ski at age 10-19=12---------------given in table

Relative frequency= 12/172 = 0.0697

Expressed as a percentage= 0.06976×100 =6.98%

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What is the sum of the given polynomials in standard form? (x2 – 3x) (–2x2 5x – 3).
Rina8888 [55]

Sum of standard form polynomials means adding the terms of same variable. The sum of the given polynomial in standard form is,

-x^2+2x-3

<h3>What is polynomial equation?</h3>

A polynomial equation is the equation in which the unknown variable is one and the highest power of the unknown variable is n.

Here, <em>n</em> is any real number.

In the polynomial equation the the terms are added or subtracted from each other only when the power of the variable is same.

Given information-

The first polynomial equations given in the problem is,

(x^2 - 3x)

The second polynomial equations given in the problem is,

(-2x^2+ 5x - 3).

To find the sum of these two polynomials, add the two terms together as,

(x^2 - 3x)+(-2x^2+ 5x - 3)

Let the result of the sum is f(x). Thus,

f(x)=(x^2 - 3x)+(-2x^2+ 5x - 3)\\f(x)=x^2-3x-2x^2+5x-3

Separate the similar power variable as,

f(x)=(x^2-2x^2)+(-3x+5x)-3\\f(x)=-x^2+2x-3

Thus the sum of the given polynomial in standard form is,

-x^2+2x-3

Learn more about the polynomial equation here;

brainly.com/question/2833285

7 0
2 years ago
1,If 1 − x, x + 3 and 2x + 1 are consecutive terms of an A.P, then find the common
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Step-by-step explanation:

Since they are consecutive terms in an AP,

(1 - x) + (2x + 1) = 2(x + 3).

=> x + 2 = 2x + 6

=> x = -4.

Therefore the terms are 5, -1 and -7.

=> Common difference = -6.

4 0
3 years ago
2xsquared . 6 = <br><br><br><br> What does 2xsquared times 6 equal?
Allushta [10]

Answer:

24x

Step-by-step explanation:

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