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WARRIOR [948]
3 years ago
14

What is 1/5 +5/8 estimate

Mathematics
1 answer:
Lapatulllka [165]3 years ago
3 0

Answer:

33/40

Step-by-step explanation:

Find a common multiple or multiply each denominator so 1/5 *8 is 8/40 and 5/8*5 is 25/40, add them together to get 33/40 and simplify

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Pls help
s2008m [1.1K]

Answer:

126

Step-by-step explanation:

Add (24x5) to 6

i'm assuming that the first number of the sequence is 6 not 11

6 0
3 years ago
Read 2 more answers
Starting with x1 = 2, find the third approximation x3 to the root of the equation x3 − 2x − 2 = 0.
andrew11 [14]

Answer:

0.8989

Step-by-step explanation:

Using the Newton's Raphson approximation formula.

Xn+1 = Xn - f(Xn)/f'(Xn)

Given f(x) = x³-2x+2

f'(x) = 3x²-2

If the initial value X1 = 2

X2 = X1 - f(X1)/f'(X1)

X2 = 2 - f(2)/f'(2)

f(2) = 2³-2(2)+2

f(2) = 8-4+2

f(2) = 6

f'(2) = 3(2)²-2

f'(2) = 10

X2 = 2- 6/10

X2 = 14/10

X2 = 1.4

X3 = X2 - f(X2)/f'(X2)

X3 = 1.4 - f(1.4)/f'(1.4)

f(1.4) = 1.4³-2(1.4)+2

f(1.4) = 2.744-2.8+2

f(1.4) = 1.944

f'(1.4) = 3(1.4)²-2

f'(1.4) = 3.880

X3 = 1.4- 1.944/3.880

X3 = 1.4 - 0.5010

X3 = 0.8989

Hence the value of X3 is 0.8989

6 0
3 years ago
How do you do this problem 2/5+4a=-6/5 what does A = to?
a_sh-v [17]

Answer: A = -2/5

Step-by-step explanation:

- 6/5 - 2/5 = - 8/5 aka - 1 3/5

-1 3/5 ÷ 4 = - 2/5

4 0
3 years ago
2 less than 3 times amount of boys. 26 in total how many boys​
Wewaii [24]

3b-2=26

3b=24

b=8

8 boys.

6 0
4 years ago
Please help! i have no idea how to do this, all i know is it's the sine rule. it's due tomorrow so if you know how to do this pl
docker41 [41]

Answer:

93.2°

Step-by-step explanation:

\frac{sin(38)}{9}  = \frac{sin(c)}{11}  ... c =48.8

a =180-(38+48.8) = 93.2

4 0
3 years ago
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