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3 years ago

I need help solving this 8.02-5.98

Mathematics

2 answers:

satela [25.4K]3 years ago

7 0

Answer:it equals 2.04

Step-by-step explanation:

MissTica3 years ago

5 0

8.02 - 5.98 = 2.04

this is your answer

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Someone please help

AleksandrR [38]

Replace y with 31:

31 = 7x -4

Add 4 to both sides:

35 = 7x

Divide both sides by 7:

x = 5

Input x = 5

6 0

3 years ago

Five the equation of line that is perpendicular to f(x)=-2x+1 that goes through point (0,5)

Alinara [238K]

Answer:

y = $\frac{1}{2}$ x + 5

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

f(x) = - 2x + 1 ← is in slope- intercept form

with slope m = - 2

Given a line with slope m then the slope of a line perpendicular to it is

$m_{perpendicular}$ = - $\frac{1}{m}$ = - $\frac{1}{-2}$ = $\frac{1}{2}$ , then

y = $\frac{1}{2}$ x + c

the line crosses the y- axis at (0, 5 ) ⇒ c = 5

y = $\frac{1}{2}$ x + 5 ← equation of perpendicular line

7 0

2 years ago

Consider a triangle with angles 30o-60o-90o, with hypotenuse of length 2. Calculate the lengths of the other 2 sides and store t

kumpel [21]

Answer:

1.00 and 1.73

Step-by-step explanation:

1) Calculating the 1st and the 2nd leg using trigonometric function sine:

$sin (30^{0})=\frac{c}{2}\Rightarrow \frac{1}{2}=\frac{c}{2}\Rightarrow 2*\frac{1}{2}=2*\frac{c}{2}\Rightarrow c=1\\sin(60^0)=\frac{b}{2}\Rightarrow \frac{\sqrt{3}}{2}=\frac{b}{2}\Rightarrow b=\sqrt{3}\Rightarrow\: b\approx \:1.73$

Once one leg is found there is another way to find the other leg, using Pythagorean Theorem too.

$a^{2}=b^{2}+c^{2}\Rightarrow 2^{2}=b^{2}+1^{2}\Rightarrow 4-1=b^{2}\Rightarrow b=\sqrt{3} b\approx 1.73$

Sides

a hypotenuse: 2.00

-------------------------------

b leg: 1.73

--------------------------------

c leg: 1.00

--------------------------------

4 0

3 years ago

In a large population, 71 % of the people have been vaccinated. If 4 people are randomly selected, what is the probability that

Oksi-84 [34.3K]

Answer:

The answer is "0.9929"

Step-by-step explanation:

$\text{The distribution in binomials is n = 4 and p = 0.71.}\\\\\text{Vaccinated Pr(AT LEAST ONE) = 1-pr( no people vaccinated ).}$

$= 1 - Bin (n=4, k =0, p=0.71) \\\\= 1 - C(4,0) \times 0.71^0 \times (1-0.71)^{4-0} \\\\= 1 - (1 \times 0.29^4)$

$= 1 - (1 \times 0.00707281)\\\\=0.9929$

5 0

3 years ago

3x+2>5x-8<br><br> Can some one help me with this problem

Andre45 [30]

Answer:

5 > x

Step-by-step explanation:

3x+2>5x-8 rewrite the inequality by exporting like terms to the same side

2+8 > 5x - 3x now add/subtract like terms

10 > 2x divide both sides by 2

5 > x

8 0

3 years ago