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3 years ago

What is the answer for 1/7(1,000)

Mathematics

2 answers:

12345 [234]3 years ago

5 0

1/7(1000) = 1/7(7000/7)

1*7000
7*7

7000
49

1000
7

so 1/7(1000) = 1000/7 or 142 6/7

Vilka [71]3 years ago

5 0

The answer to this question is 1000/7 or 142.8 correct to 1 decimal place

Step by step solution:

Step 1: Open the brackets and write down the problem. Then multiply accordingly as shown below

1/7 * 1000 (this would be 1* 1000 / 7)

Step 2: Divide using the long division method

= 1000/ 7

= 142.8 (the fraction would be the simplified answer or you can leave it as a fraction)

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Find a1, for the arithmetic series<br> with S14 = - 420 and d = -6.

faust18 [17]

$\bf n^{th}\textit{ term of an arithmetic sequence} \\\\ a_n=a_1+(n-1)d\qquad \begin{cases} a_n=n^{th}\ term\\ n=\textit{term position}\\ a_1=\textit{first term}\\ d=\textit{common difference}\\ \cline{1-1} n = 14\\ d= -6 \end{cases} \\\\\\ a_{14}=a_1+(14-1)(-6)\implies a_{14}=a_1+(13)(-6)\implies a_{14}=a_1-78 \\\\[-0.35em] ~\dotfill$

$\bf \textit{sum of a finite arithmetic sequence} \\\\ S_n=\cfrac{n(a_1+a_n)}{2}\qquad \begin{cases} a_n=n^{th}\ term\\ n=\textit{last term's}\\ \qquad position\\ a_1=\textit{first term}\\ \cline{1-1} n= 14\\ S_{14}=-420\\ a_{14}=a_1-78 \end{cases}\implies S_{14}=\cfrac{n(a_1+a_{14})}{2} \\\\\\ -420=\cfrac{14[a_1+(a_1-78)]}{2}\implies -420=7(2a_1-78)\implies \cfrac{-420}{7}=2a_1-78 \\\\\\ -60=2a_1-78\implies 18=2a_1\implies \cfrac{18}{2}=a_1\implies 9=a_1$

8 0

3 years ago

NEED ANSWER ASAP,BRAINLIEST FOR CORRECT ANSWER. IM FAILING SCHOOL

Vlad1618 [11]

Answer:

c is the anser

Step-by-step explanation:

4 0

2 years ago

4000-1375 and I need work

zheka24 [161]

4000
-1375
———

Take 1 from the number 4 and have it go down the line of zeros.

39910
-1375
———-

Subtract

39910
-1375
———-
2,625

I hope this helped!

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3 years ago

Naomi has 45 minutes to get ready for school she spends x minutes getting dressed write an expression that respetents the number

andriy [413]

ANSWER

$(45 - x) \: minutes$

EXPLANATION

Total minutes Naomi has at her disposal is 45 minutes.

The number of minutes she spends getting dressed is

$x$

To find the number of minutes she still has to get ready, we subtract the minutes spent from the total minutes.

The number of minutes she still have to get ready is

$(45 - x) \: minutes$

5 0

3 years ago

What is the result when the number 64 is decreased by 4.1%? Round your answer to the nearest tenth.

Strike441 [17]

Answer:

61.4

Step-by-step explanation:

64 minus 4.1 percent is 61.376. Rounded to the nearest tenth would be 61.4.

3 0

2 years ago

Read 2 more answers