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2 years ago

What is 2 1/5 as an improper fraction

Mathematics

1 answer:

LUCKY_DIMON [66]2 years ago

8 0

Answer:

11/5

Step-by-step explanation:

You multiply 2 by 5 to give us 10. Add 1 the numerator of the equation giving us 11. Then we say 11/5

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If the numerator and the numerator of a fraction are subtracted 1, the resulting fraction is 2/3, if the resulting fraction is i

tino4ka555 [31]

Answer:

Simplify the expression.

Exact Form:

1 /2

Decimal Form:

0.5

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2 years ago

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What is the Circumference of <br> r = 126 cm<br> C =?

exis [7]

Answer:

C≈791.68

Step-by-step explanation:

C=2πr=2·π·126≈791.68135

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2 years ago

Blake has a collectors' card that he bought for $42.00. The card is now worth $87.00. What is the percent of change in the value

Stels [109]

Change in value = 87 - 42 = 45
percentage change = 45/42 x 100 = 107%

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3 years ago

Chemists use pH as a measure of acidity or alkalinity of a solution. It uses the concentration of hydrogen ions H+ in a logarith

SpyIntel [72]

Answer:

$g(f(d)) = -dlog_{10}(0.5 * 10^{-4})$

Step-by-step explanation:

Given

$f(d) = (0.5 * 10^{-4})^d$

$g(H+) = -log_{10}(H+)$

Required

Find the composite function g(f(d))

We have:

$g(H+) = -log_{10}(H+)$

Substitute f(d) for H+

$g(f(d)) = -log_{10}(f(d))$

Substitute $f(d) = (0.5 * 10^{-4})^d$

$g(f(d)) = -log_{10}((0.5 * 10^{-4})^d)$

Apply law of logarithm

$g(f(d)) = -dlog_{10}(0.5 * 10^{-4})$

Hence, the function is:

$g(f(d)) = -dlog_{10}(0.5 * 10^{-4})$

7 0

2 years ago

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When two six-sided dice are rolled, there are 36 possible outcomes. Find the probability that the sum is not 5.

zaharov [31]

Answer:

$p(Not\ 5) = \frac{8}{9}$

Step-by-step explanation:

Given:

Txo six-sided dice are rolled.

Total number of outcomes n(S) = 36

We need to find the probability that the sum is not equal to 5 p(Not 5).

Solution:

Using probability formula.

$P(E)=\frac{n(E)}{n(S)}$ ----------------(1)

Where:

n(E) is the number of outcomes favourable to E.

n(S) is the total number of equally likely outcomes.

The sum of two six-sided dice roll outcome is equal to 5 as.

Outcome as 5: {(1,4), (2,3), (3,2), (4,1)}

So, the total favourable events n(E) = 4

Now, we substitute n(E) and n(s) in equation 1.

$P(5)=\frac{4}{36}$

$p(5) = \frac{1}{9}$

Using formula.

$p(Not\ E) + p(E) = 1$

$p(Not\ 5) + p(5) = 1$

Now we substitute p(5) in above equation.

$p(Not\ 5) + \frac{1}{9} = 1$

$p(Not\ 5) = 1-\frac{1}{9}$

$p(Not\ 5) = \frac{9-1}{9}$

$p(Not\ 5) = \frac{8}{9}$

Therefore, the sum of two six-sided dice roll outcome is not equal to 5.

$p(Not\ 5) = \frac{8}{9}$

6 0

3 years ago