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Dominik [7]
2 years ago
11

Pls help me now!! (T^T)

Mathematics
1 answer:
Minchanka [31]2 years ago
6 0
Vas happenin!!

1. Since it’s subtracting, another word for subtracting is difference

B is correct



2. There’s both a sum and difference

C is correct


Hope this helps

-Zayn Malik
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The denominator of a fraction in the simplest form is greater than the numerator by 1. If 4 is added to the numerator, and 3 is
Fantom [35]

Answer:

Step-by-step explanation:

Let the original fraction is: x/ x-1

And we have that:

  • 4 is added to the numerator => new numerator is: x+4
  • 3 is subtracted from the denominator => new denominator is: x -1-3 = x -4

the fraction itself is increased by 2\frac{1}{6}

<=> \frac{x}{x-1} *2\frac{1}{6} = \frac{x+4}{x-4}

<=> 7x^{2} -70x +24 = 0

Solve for X then we substitue into the original fraction

4 0
3 years ago
S (SOA) An annuity pays 1 at then end of each year for n years. Using an annual effective interest rate of i, the accumulated va
Reptile [31]

Answer:

8

Step-by-step explanation:

Given:

Annuity at time (n + 1) = 13.776

(1 + i)ⁿ = 2.476

Now,

S_{n/i}=\frac{(1+i)^n-1}{d}

here, d = \frac{i}{1-i}

thus,

13.776=\frac{2.476-1}{d}

or

d = 0.1071

therefore,

d = \frac{i}{1+i}

or

0.1071 = \frac{i}{1+i}

or

0.1071 + 0.1071i = i

or

i = 0.1199

now,

(1 + i)ⁿ = 2.476

or

(1 + 0.1199)ⁿ = 2.476

1.1199ⁿ = 2.476

taking log both sides

n × log(1.1199) = log(2.476)

or

n = 8.006 ≈ 8

hence,

the answer is 8

7 0
3 years ago
Integers with different values in each digit can be expanded in a similar way. For these integers, you must use addition between
Bond [772]
Seriously nobody knows the anwser?? Im done ill just fail
5 0
3 years ago
Read 2 more answers
Please please help me with this question please now and show your steps
sattari [20]

Answer:

y =  {x}^{2}  - 8x + 7 \\ a = 1 \: and \: b = -  8 \\ the \: line \: of \: symmetry \:  \\ x =  \frac{ - b}{2a}  =  \frac{8}{2}   \\ x = 4(line \: of \: symmetry) \\ y =  {4}^{2}  - 8(4) + 7  \\ = 16 + 32 + 7 = y = 55 \\ vertix \: is \: (4  ,55) \\ y =  {0}^{2}  - 8(0) + 7 \\ y = 7 \\ 0 =  {x}^{2}  - 8x + 7 \\ (x - 7)(x - 1) = 0

6 0
2 years ago
Farmer Jones, and his wife, Dr. Jones, decide to build a fence in their field, to keep the sheep safe. Since Dr. Jones is a math
alex41 [277]

Answer:\frac{8}{3}\times \sqrt{\frac{2}{5}}

Step-by-step explanation:

Given two upward facing parabolas  with equations

y=6x^2 & y=x^2+2

The two intersect at

6x^2=x^2+2

5x^2=2

x^2=\frac{2}{5}

x=\pm \sqrt{\frac{2}{5}}

area  enclosed by them is given by

A=\int_{-\sqrt{\frac{2}{5}}}^{\sqrt{\frac{2}{5}}}\left [ \left ( x^2+2\right )-\left ( 6x^2\right ) \right ]dx

A=\int_{\sqrt{-\frac{2}{5}}}^{\sqrt{\frac{2}{5}}}\left ( 2-5x^2\right )dx

A=4\left [ \sqrt{\frac{2}{5}} \right ]-\frac{5}{3}\left [ \left ( \frac{2}{5}\right )^\frac{3}{2}-\left ( -\frac{2}{5}\right )^\frac{3}{2} \right ]

A=\frac{8}{3}\times \sqrt{\frac{2}{5}}

7 0
3 years ago
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