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3 years ago

5. Which value of x satisfies the equation 4x - 17 = 47?

Mathematics

2 answers:

wariber [46]3 years ago

7 0

Answer:

The answer is C so X is=16

Fudgin [204]3 years ago

4 0

Answer:

C. X = 16

Step-by-step explanation:

4x - 17 = 47 Write the equation out.

4(16) -17 = 47 Plug 16 in for X. Multiply.

64 - 17 = 47 Subtract.

47 = 47 You have your answer!

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Find the 11th term of the following geometric sequence. 1, 3, 9, 27, ...

Natasha_Volkova [10]

Answer:

the answer is 59048

Step-by-step explanation:

as the common ratio is multiplying by 3 and the first term is 1 so from the rule (Tn=ar(power n-1 ) )

so the 11th term is 1*3(power 11-1 ) equal 3 power 10 equal 59048

4 0

3 years ago

Scientists have discovered a vaccine for a debilitating disease. This year there were 570,000 reported new cases of the disease

Ket [755]

Answer: There are approximately 853827 new cases in 6 years.

Step-by-step explanation:

Since we have given that

Initial population = 570000

Rate at which population decreases is given by

$\frac{2}{3}$

Now,

First year =570000

Second year is given by

$570000\times (\frac{1}{3})$

Third year is given by

$570000(\frac{1}{3})^2$

so, there is common ratio ,

it becomes geometric progression, as there is exponential decline.

so,

$570000,570000\times \frac{1}{3},570000\times( \frac{1}{3})^2,......,570000\times (\frac{1}{3})^6$

a=570000

common ratio is given by

$r=\frac{a_2}{a_1}=\frac{1}{3}$

number of terms = 6

Sum of terms will be given by

$S_n=\frac{a(1-r^n)}{(1-r)}$

We'll put this value in this formula,

$S_6=\frac{570000(1-(\frac{1}{3})^6}{(1-\frac{1}{3})}\\\\=853827.16$

So, there are approximately 853827 new cases in 6 years.

6 0

2 years ago

Please help!! ;w; Thank you in advance!!!

Dovator [93]

10 5/6 = 65/6

2 1/4 = 9/4

2 (9/4) = 9/2

So the length left is

65/6 - 9/2 =

65/6 - 27/6 =

38 / 6 =

19 / 3 =

6 1/3 in

sorry this was a late response

5 0

2 years ago

I need help with this ASAP

Mademuasel [1]

Answer:

It would be y=12x

Step-by-step explanation:

I think

8 0

2 years ago

Read 2 more answers

Please help me answer this

balandron [24]

Answer:

option A is the correct answer

3 0

2 years ago