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3 years ago

Please help!!! ill give brainliest

Mathematics

2 answers:

yawa3891 [41]3 years ago

7 0

Answer:

Step-by-step explanation:

divide the number then add on

Mekhanik [1.2K]3 years ago

3 0

You can solve this using the Quadratic Formula, x =.

a = 1, b = -12, c = 59

x = Multiply 4 and 1

x = Multiply 2 and 1

x = Multiply -4 and 59

x = Square 12

x = Subtract

x = You can't find the square root of negatives, so factor the -92 out.

x = You can find the square of 4, so take that out.

x = Split the expression into two parts

x = (+ or -) The 2 in the numerator and the 2 in the denominator cancel each other out

x = (+ or -) Divide 12 by 2

x = 6 (+ or -) Now, split the solution into the plus and minus parts.

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If the area of a circle is 58 square feet, find the circumference

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C≈27 feet

Step-by-step explanation:

A=πr²

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√A/π =r or –√A/π=r (refused)

then r =√(A/π) =√(58/π) =4.297829403 feet

C=2πr=2π(4.297829403)=27.00405856≈27 feet

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3 years ago

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2 years ago

The difference between half a number and 19

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3 years ago

1. Given the below sequence: -1, -3, -5, -7, . . . (a) What are the next 3 terms? (b) Is this an arithmetic or geometric sequenc

valentinak56 [21]

Answer:

(a) -7 , - 9 , - 11

(b) Arithmetic sequence

(d) -53

Step-by-step explanation:

(a) To find the next three terms , we must firs check if it is arithmetic sequence or a geometric sequence . For it to be an arithmetic sequence , there must be a common difference :

check :

-3 - (-1) = -5 - (-3) = -7 - (-5) = -2

This means that there is a common difference of -2 , which means it is an arithmetic sequence.

The next 3 terms we are to find are: 5th term , 6th term and 7th term.

$t_{5}$ = a + 4d

$t_{5}$ = - 1 + 4 ( -2 )

$t_{5}$ = -1 - 8

$t_{5}$ = - 9

6th term = a +5d

$t_{6}$ = -1 + 5(-2)

$t_{6}$ = -1 - 10

$t_{6}$ = - 11

$t_{7}$ = a + 6d

$t_{7}$ = -1 + 6 (-2)

$t_{7}$ = -1 - 12

$t_{7}$ = -13

Therefore : the next 3 terms are : -9 , -11 , - 13

(b) it is an arithmetic sequence because there is a common difference which is -2

(d) $t_{27}$ = a + 26d

$t_{27}$ = -1 + 26 ( -2 )

$t_{27}$ = -1 - 52

$t_{27}$ = - 53

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3 years ago