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2 years ago

Write each decimal as a fraction or mixed number in simplest. -0.15= -7.75= -12.54=

Mathematics

2 answers:

Eva8 [605]2 years ago

6 0

Answer:

= -3/20 = -7 3/4 = -12 27/50

Step-by-step explanation:

For -3/20, we know that .1 is a tenth, so half of that, 0.05, must be a twentieth. -0.15 = -3 x 0.5, so it's -3/20.

For the second problem, we'll set the -7 aside for the mixed number. 0.25 is a quarter, and there's three of them (0.25 x 3 = 0.75), so it's 7 3/4

For the third problem, we again set the -12 aside for the mixed number. 0.54 is 54 one-hundreths, which is 54/100. we can reduce that by dividing both the numerator and denominator of the fraction by 2, and we get 27/50. Because 27 is prime, it cannot be reduced any further, the answer is -12 27/50.

vladimir1956 [14]2 years ago

5 0

-0.15 = -15/100 = -3/20

-7.75 = -7 3/4

-12.54 = -12 54/100 = -12 27/50

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Answer:

Step-by-step explanation:

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2 years ago

Which is the best estimate for the percent equivalent of 7/15

zzz [600]

An estimate for the percent equivalent of 7/15 is 46% i think

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3 years ago

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Tbh i can probably get it but I don't want to do it rn

DIA [1.3K]

Answers:

A) 1/2
B) 1/6
C) 1/3

==================================

Explanation:

A) There are 3 copies of '1' out of 6 slices total. So we get 3/6 = 1/2
B) There's only one copy of '3' out of 6 total, which means 1/6 is the probability of landing on '3'.
C) There are 2 places we want to land out of 6 total. The probability is 2/6 = 1/3

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2 years ago

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Log based question, i just need help with parts b and c

Tanya [424]

Answer:

b) There is translation 3 units to the right and 1 unit up

c) The domain is {x I x > 3}

The equation of the asymptote is x = 3

Step-by-step explanation:

* Lets revise the rule of the translation

- If the function f(x) translated horizontally to the right

by h units, then the new function g(x) = f(x - h)

- If the function f(x) translated horizontally to the left

by h units, then the new function g(x) = f(x + h)

- If the function f(x) translated vertically up

by k units, then the new function g(x) = f(x) + k

- If the function f(x) translated vertically down

by k units, then the new function g(x) = f(x) – k

* Now lets solve the problem

b) ∵ f(x) = $log_{2} (x-3)+1$

∵ The parent function is $log_{2} x$

∴ x is changed to (x - 3), that means there is a translation 3 units

to the right

∵ We add the parent function by 1, that means there is a translation

1 unit up

* There is translation 3 units to the right and 1 unit up

c) To find the domain of the function, find the values of x which

make the function undefined

∵ $log_{2}(0)$ is undefined

∴ x - 3 can not be 0

∵ x - 3 = 0 ⇒ add 3 to both sides

∴ x = 3

∴ The domain of the function is all real number greater than 3

* The domain is {x I x > 3}

∵ x can not be 3

∴ There is a vertical asymptote, its equation is x = 3

* The equation of the asymptote is x = 3

# Look to the attached graph for more understand for the domain

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3 years ago

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choli [55]

2) Answer: I = $ 10.56

Equation:

I = Prt

Calculation:

First, converting R percent to r a decimal

r = R/100 = 0.6%/100 = 0.006 per year,

then, solving our equation

I = 440 × 0.006 × 4 = 10.56

I = $ 10.56

The simple interest accumulated

on a principal of $ 440.00

at a rate of 0.6% per year

for 4 years is $ 10.56.

4) Answer: I = $ 0.63

Equation:

I = Prt

Calculation:

First, converting R percent to r a decimal

r = R/100 = 0.7%/100 = 0.007 per year,

putting time into years for simplicity,

3 months ÷ 12 months/year = 0.25 years,

then, solving our equation

I = 360 × 0.007 × 0.25 = 0.63

I = $ 0.63

The simple interest accumulated

on a principal of $ 360.00

at a rate of 0.7% per year

for 0.25 years (3 months) is $ 0.63.

8) Answer: I = $ 990.00

Equation:

I = Prt

Calculation:

First, converting R percent to r a decimal

r = R/100 = 9%/100 = 0.09 per year,

then, solving our equation

I = 1000 × 0.09 × 11 = 990

I = $ 990.00

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at a rate of 9% per year

for 11 years is $ 990.00.

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2 years ago

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