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Elza [17]
3 years ago
13

Write the percent based a fraction or mixed number in simplest form. #14

Mathematics
2 answers:
Minchanka [31]3 years ago
8 0
31/40

replace 77.5 with 775/10
simplify to get 155/2
divide by 100 to get 31/40
aivan3 [116]3 years ago
7 0
77.5%
= 77.5/100
= 775/1000
= (775/25)/ (1000/25)
= 31/40

The final answer is 31/40~
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Find a unit rate using a graph understanding proportional relationship by relating grapha and equation
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Let the function f be defined by the equation
Archy [21]

Answer:

Domain:  (-\infty,\infty)

Step-by-step explanation:

The domain of a function is all values of x such that f(x) exists.

In our case we have the following function:

f(x)=x^{3}-5x+3

We know that x and f(x) are real numbers, therefore the domain will be the interval (-\infty,\infty), or in other words, the domain is all real numbers.

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3 years ago
3(x+1)-6=5x - 2(1+x)
WINSTONCH [101]

Answer:

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6 0
3 years ago
What is the measure of angle R shown below, given r = 10, q = 20, and Q = 100°? Round the answer to the nearest tenth.0.5° 2.0°
Korolek [52]

Answer : 29.5°

Given r = 10, q = 20, and Q = 100°

From the attached figure we can see that two sides and one angle is given

We use sine rule to find angle R

\frac{sin A}{a} = \frac{Sin B}{b}  = \frac{Sin C}{c}

In triangle QRS

\frac{sin Q}{q} = \frac{Sin R}{r}  = \frac{Sin S}{s}

r = 10, q = 20, and Q = 100°

\frac{sin Q}{q} = \frac{Sin R}{r}

Replace all the values

\frac{sin 100}{20} = \frac{sin R}{10}

\frac{sin(100)*10}{20} = sin(R)

\frac{0.984807753*10}{20} =sin R

0.4932403876 = sin (R)

R= sin^{-1} (0.4932403876)

R= 29.5 degrees

3 0
3 years ago
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