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krek1111 [17]
3 years ago
15

Find a. Round to the nearest tenth

Mathematics
1 answer:
Drupady [299]3 years ago
8 0

Answer:

a = 2.14cm to the nearest 10th =2.1

Step-by-step explanation:

your welcome :)

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If m = 5 and n = -2, evaluate 3m - 4n and n2 - m and find the product of the two expressions.
ddd [48]

Hence the correct answer is C) -23

Further explanation:

We have to put the values of m and n into both expression first separately and then multiply the answers.

Given expressions are:

Exp\ 1:3m-4n\\Exp\ 2: n^2-m

The values are:

m=5\\n=-2

Putting the values in expression 1:

3m-4n\\=3(5)-4(-2)\\=15+8\\=23

Putting the values of m and n in second expression

n^2-m\\=(-2)^2-5\\=4-5\\=-1

Multiplying both expressions:

(3m-4n)(n^2-m)=23* (-1)=-23

Hence the correct answer is C) -23

Keywords: Polynomials, Putting values in expressions

Learn more about polynomials at:

  • brainly.com/question/4142886
  • brainly.com/question/4934417

#LearnwithBrainly

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3 years ago
Using the quadratic formula to solve 5x = 6x- - 3, what are the values of x?
goldfiish [28.3K]

Answer:

x= -3

Step-by-step explanation:

Solve the rational equation by combining expressions and isolating the variable  x.

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2 years ago
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Veronica is saving money to by a saddle for her horse that costs 175 . She plans to save $10 the first month and then increased
Anon25 [30]
You will start off with $175-$10=$165. Then you will take your $165 and divide by $15 to get the answer. $165÷$15=11 months to save the money.
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3 years ago
$1,000 for 40 years at 8% annual simple interest
bekas [8.4K]

Answer:

$3200

Step-by-step explanation:

1000x40x8/100

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SOMEONE HELP ME PLEASE WITH THESE PROBLEMS AND PLEASE SHOW YOUR WORK FOR 50 points and BRAINLIEST THANK YOU
ELEN [110]

<u>Answer</u>:

13. 6x^7 y^7   ||     14. \frac{25x^4}{y^6}

<u>explanation</u>:

13.

\frac{12x^9 y^5}{2x^2 y^-2}

6x^{9-2} y^{5--2}

6x^7 y^7

14.

(\frac{5y^{-3} }{x^{-2} } )^{2}

(\frac{5y^{-3} }{x^{-2} } )(\frac{5y^{-3} }{x^{-2} } )

\frac{\frac{25}{y^6}}{\left(x^{-2}\right)^2}

\frac{\frac{25}{y^{-6} }}{\left(x^{-4}\right)}

\frac{25x^4}{y^6}

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2 years ago
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