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n200080 [17]
3 years ago
12

WILL MARK BRAINLIEST

Mathematics
2 answers:
AleksandrR [38]3 years ago
8 0
45.95+12.95+ 6.89= 65.79

I wouldn’t be too trusting of my answer though, haven’t done this math in a while
guapka [62]3 years ago
6 0
The answers is $62.43

45.95 + 12.95 = 58.90 * 1.06 = 62.434
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david want to go on vacation to puerto rico which is going to cost $1,025 for his birthday his brother gave him $200 in addition
Vlad [161]
Ok? what's the rest, u can't solve unless there's a question like : how many hours does he have to work in order to go on vacation, I'm sorry but u make no sense
4 0
3 years ago
What are the roots of the polynomial equation x3 - 10x=-3x2+ 24? Please help
snow_tiger [21]

Answer:

x = -2, 3, -4.

Step-by-step explanation:

x^3 - 10x = -3x2 + 24 = 0

x^3 + 3x^2 - 10x - 24 = 0

The last term is 24 and the coefficient of x^3 is 1 so +/- 1,  +-2, +/- 3 and +/- 4 could be among the roots ( by The Rational Root Theorem).

Let x = 1

f(x) = 1^3 +3(1)^2 - 10 - 24 = -30 so it's no t .

f(-1) = -1 + 3 + 10 - 24 = -12  so it's not -1.

Let  x = 2:

f(2) =  2^3 +3*4 - 20 - 24 = -32  so its not 2

f(-2) = -8 + 12 + 20 - 24 = 0  so x = -2 is a root

and therefore x+ 2 is a factor and we divide:

x + 2 ) x^3 + 3x^2 - 10x - 24   (  x^2 + x - 12   <------ The quotient

          x^3 + 2x^2

                      x^2 - 10x

                       x^2 + 2x

                              -12x - 24

                              -12x - 24

                                ..............

Now x^2 + x - 12 = (x - 3)(x + 4)

So (x + 2)(x - 3)(x + 4) = 0

This gives

x = -2, 3, -4.

7 0
3 years ago
Read 2 more answers
Consider the function y = 9 - x2, where x ≥ 3. What is the inverse of the function? What is the domain of the inverse? Show all
Brilliant_brown [7]
Hello,
Please see the attached file.
Thanks.

5 0
3 years ago
Read 2 more answers
HELP PLEASE!! (Look at the picture)
neonofarm [45]

9514 1404 393

Answer:

  C.  60%

Step-by-step explanation:

Of the 5 bowls listed, bowls 2 and 4 are out of the allowed tolerance range. That leaves 3 of the 5 bowls that can be used.

  3/5 × 100% = 60% . . . fraction of bowls that can be included

3 0
2 years ago
So what would the answer be to 2/3 x 6/7
Serga [27]

Answer:

4/7

Step-by-step explanation:

Given function:

  • 2/3·6/7

Cross multiply:

  • 6=2 and 3=1

Rename:

  • 2/1·2/7

Multiply the terms:

  • 2/1·2/7=4/7

Therefore, 2/3·6/7 is 4/7..

8 0
2 years ago
Read 2 more answers
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