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aleksklad [387]
3 years ago
8

Given that

="c=\frac{2d+1}{3d-1}" align="absmiddle" class="latex-formula">,
1. calculate the value of c when d = \frac{1}{4}
2. express d in terms of c
Mathematics
1 answer:
nata0808 [166]3 years ago
7 0

Answer:

C = -6

Step-by-step explanation:

C = [2×1/4 + 1] ÷ [3×1/4 -1 ]

C = 3/2 ÷ -1/4

C = 3/2 × -4 = -6

C = 2d + 1 / 3d - 1

So, d = ( C + 1 ) / ( 3C - 2 )

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What is the 20th digit after the decimal point of the sum of the decimal equivalents for the fractions $\frac{1}{7}$ and $\frac{
Afina-wow [57]

Answer:

7

Step-by-step explanation:

1/7+1/3= 3/21+7/21= 10/21= 0.476190

the 6 digits after the decimal point get repeated

6*3= 18- three full cycles and the second digit after 3 cycles = 7 so the 20th digit is 7

5 0
4 years ago
1/4 divided by 2/3 show work pls
NARA [144]
\dfrac{1}{4}:\dfrac{2}{3}=\dfrac{1}{4}\cdot\dfrac{3}{2}=\dfrac{1\cdot3}{4\cdot2}=\boxed{\frac{3}{8}}
5 0
3 years ago
What number is 1/5 of another number the sum of the two numbers is six find the two numbers
Oliga [24]

Answer:

the two numbers are 3 and 3.

1/5 of 3 is 0.6

1/5 of 6 is 1.2

Step-by-step explanation:

3 + 3 = 6

(1/5)3 = 0.6

(1/5)6 = 1.2

8 0
3 years ago
Write (8 x 10) + (6 x 1) +(2 x 0.1) + (7 x 0.001) with words.
aleksklad [387]

Answer:

Eight times ten plus six times one plus two times one-tenth plus seven times one-thousandth.

Step-by-step explanation:

(8 x 10) = eight times ten

(6 x 1) = six times one

(2 x 0.1) = two times one-tenth

(7 x 0.001) = seven times one-thousandth

I am not always the best with the equations to words stuff, so please comment if I am wrong!

4 0
2 years ago
Where would 13/4 be on the number line
Rainbow [258]
13/4 =12/4 +1/4=3+1/4 so it has to be between 3 and 4 on the number line.Hope this helps and thank you for letting me help you ✅
5 0
4 years ago
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