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Irina-Kira [14]
3 years ago
14

Need help with these

Mathematics
2 answers:
MatroZZZ [7]3 years ago
7 0

Answer:

1. E 2.C 3.A

Step-by-step explanation:

I put all of these into a graphing calculator.

lakkis [162]3 years ago
6 0
1.E 2.C 3.A those are the answers
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Four integers are consecutive terms of an arithmetic sequence. The sum of these four numbers is 24 and the product is 945.Find t
Marta_Voda [28]

When common difference, d=\sqrt{39} then the largest term of these four terms will be 6+3\sqrt{39}

Let four consecutive terms of AP is,

     a-3d, a-d, a+d, a+3d

Since, sum of all four terms is 24

So,   a-3d+a-d+a+d+a+3d=24\\\\a=6

And product is 945

So,  (a-3d)(a+3d)(a-d)(a+d)=945\\\\9d^4-360d^2+351=0\\\\d^4-40d^2+39=0\\\\(d^2-1)(d^2-39)=0\\\\d=1,-1\\d=\sqrt{39}, -\sqrt{39}

When d= 1, -1 then largest term is 9

When d=\sqrt{39}, -\sqrt{39} then largest term is 6+3\sqrt{39}

Learn more:

https://brainly.in/question/3719232

7 0
2 years ago
I don’t understand this PLEASE HELP
Marta_Voda [28]

Answer:

13

Step-by-step explanation:

If BE is the bisector then m<ABE must be equal to m<EBC

So we make the equation like this :

2x + 20 = 4x - 6

➡

20+6 = 4x-2x

➡

26=2x

➡

x = 13

7 0
3 years ago
Read 2 more answers
How many holes need to be drilled for 24 parts
Westkost [7]

Answer:

432

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Help me plzzzzzzzzzzzzzzzz
ollegr [7]

Answer:

90cm

Step-by-step explanation:

1/3 of a day = 30cms

3/3 of a day = 30 * 3 cms = 90 cms

8 0
3 years ago
Read 2 more answers
Calculați A)-11+(-120)
mrs_skeptik [129]

Answer:  A) -131

B) 1

C) 442

D) -42

-213

Step-by-step explanation:

Properties we use to solve problems related ti INTEGERS:

For sum :

a +(-b)=a-b

-a-b=-(a+b)

For product :

(+)(+)= (+)

(+)(-)=(-)

(-)(-)=(+)

A) -11+(-120)  = -11 -120     [∵ a +(-b)=a-b]

= -(11+120)     [∵ -a -b=-(a+b)]

= -131

 

B)  18+(-17)   = 18-17 =1   [∵ a +(-b)=a-b]

C)+13(+34)   = +442    [(+)(+)= +]

D)   -15+(-27) = -15-27  [∵ a +(-b)=a-b]

= -(15+27)     [∵ -a -b=-(a+b)]

= -42

E) +56+(+27) = 56+27=83  

F)-32+(-181) = -32-181 [∵ a +(-b)=a-b]

= -(213)     [∵ -a -b=-(a+b)]

= -213

6 0
3 years ago
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