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ZanzabumX [31]
3 years ago
6

A bat and a ball cost a total of $1.10. If the bat costs a dollar more than the ball, how much does the ball cost?

Mathematics
2 answers:
Natalija [7]3 years ago
8 0
10 cents hope this helps
erma4kov [3.2K]3 years ago
7 0

Answer:

5cent

Step-by-step explanation:

The answer would be 5c. If the ball cost 10 cents and the bat costs $1.00 more than the ball, then the bat would cost $1.10 for a total of $1.20. Therefore the answer would be 5c. 1.05+5= 1.10.’

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WHAT IS THE LINE OF BEST FIT FOR THE FOLLOWING DATA (1,3) (2,0) (5,-8) (9, -25) . WRITE YOUR ANSWERS IN THE FORM OF Y= AX+ B​
dimulka [17.4K]

Answer:

3.471 + 7.2516 x

Step-by-step explanation:

Given the data:

(1,3) (2,0) (5,-8) (9, -25) .

X:

1

2

5

9

Y:

3

0

-8

-25

The line of best fit for the data given can be obtained using an online regression calculator :

The equation of best fit for the data is thus;

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5 0
3 years ago
What substitution should be used to rewrite 16(x3 + 1)2 – 22(x3 + 1) – 3 = 0 as a quadratic equation?
Vesna [10]

Answer:

  z = x^3 +1

Step-by-step explanation:

Noting the squared term, it makes sense to substitute for that term:

  z = x^3 +1

gives ...

  16z^2 -22z -3 = 0 . . . . the quadratic you want

_____

<em>Solutions derived from that substitution</em>

Factoring gives ...

  16z^2 -24z +2z -3 = 0

  8z(2z -3) +1(2z -3) = 0

  (8z +1)(2z -3) = 0

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Then we can find x:

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  x = (-1/2)∛9 . . . . . one of the real solutions

__

  x^3 +1 = 3/2

  x^3 = 1/2 = 4/8 . . . . . . subtract 1

  x = (1/2)∛4 . . . . . . the other real solution

The complex solutions will be the two complex cube roots of -9/8 and the two complex cube roots of 1/2.

7 0
3 years ago
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Evaluate 3x – 4 when x=7. The value of the expression is​
Novay_Z [31]

Answer:

17

Step-by-step explanation:

4 0
3 years ago
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