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3 years ago

Please help!!!! I need help with this question

Mathematics

1 answer:

aleksandr82 [10.1K]3 years ago

6 0

Answer:

Step-by-step explanation:

hope this helps with the work

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4x^2+4x+1=9 what are all the solutions? Thanks

ziro4ka [17]

4x^2+4x-8=0
X^2+x-2=0
(X+2)(x-1)=0
X= -2 or 1

8 0

3 years ago

Solve the formula C = πd for d

REY [17]

Answer:

$d = \frac{C}{\pi}$

Step-by-step explanation:

$C= \pi d\\$

Isolate d ; Divide both sides of the equation by $\pi$

$\frac{C}{\pi} = \frac{\pi d}{\pi }$

Simplify

$\frac{C}{\pi} = d\\\\d = \frac{C}{\pi}$

Note; Another formula for d(diameter) =

$2\times radius$

3 0

3 years ago

Please Help!! and explain in detail!!!!

tatuchka [14]

Answer:

1/36 = 0.02777...

Step-by-step explanation:

Given the sequence 1, 0.25, 0.111..., 0.0625, 0.04, you would like to know the next term.

<h3>Terms</h3>

We recognize the decimal values to be equivalent to ...

1, 1/4, 1/9, 1/16, 1/25

That is, they are the reciprocals of successive squares.

The next term will be the reciprocal of the 6th square:

1/36 = 0.02777...

8 0

1 year ago

2. Which of the following are terms of the series with nth term T-3n +17? a) 80 b) 170 c)217 d) 312 e) 278 f) 3566

pishuonlain [190]

Answer:

The correct options are a,b,e and f.

Step-by-step explanation:

It is given that the nth terms of the series is defined as

$T_n=3n+17$

Subtract 17 from both the sides.

$T_n-17=3n$

Divide both sides by 3.

$\frac{T_n-17}{3}=n$

The term Tₙ is a term of given series if n is a positive integer.

(a) The given term is 80.

$n=\frac{80-17}{3}=21$

Since n is a positive integer, therefore 80 is a term of given series.

(b) The given term is 170.

$n=\frac{170-17}{3}=51$

Since n is a positive integer, therefore 170 is a term of given series.

$n=\frac{217-17}{3}=66.67$

Since n is not a positive integer, therefore 217 is a term of given series.

(d) The given term is 312.

$n=\frac{312-17}{3}=98.33$

Since n is not a positive integer, therefore 312 is a term of given series.

(e) The given term is 278.

$n=\frac{278-17}{3}=87$

Since n is a positive integer, therefore 278 is a term of given series.

(f) The given term is 3566.

$n=\frac{3566-17}{3}=1183$

Since n is a positive integer, therefore 3566 is a term of given series.

Thus, the correct options are a, b, e and f.

7 0

3 years ago

What number is equal to the absolute value of -36 ?

Rus_ich [418]

Answer:

Step-by-step explanation:

positive version

8 0

3 years ago

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