Gustavo's younger brother says that 3.14 is equal to 1. Gustavo knows this can't be right,
because 3.14 is rational and a is irrational. Write an explanation that Gustavo could use to
convince the brother that 3.14 cannot be equal to pi.

Answer:

t ≤ 6°F

The temperature(t) was less than or equal to 6°F.

Answer:

The two triangles can be considered similar as Angle A is 70 degrees and Angle B is a congruent angle to Angle A, which can be proven by adding 70 to 110 which shows a 180 degree angle (flat angle). Therefore we know that this triangle is similar

Step-by-step explanation:

Answer:

224/100 = 2 24/100

= 2 6/25

308/100 = 3 8/100

= 3 2/25

125/1000 = ⅛

444/1000 = 111/250

Answer:

2d+3d-2d+4d= 9d-16

2d is cancelled

3d+4d=9d-16

7d=9d-16

16=9d-7d

16=2

16/2

d=8

Answer:

What is the concentration of H+ ions at a pH = 2?

⇒ 0.01 mol/L

What is the concentration of H+ ions at a pH = 6?

⇒ 0.000001 mol/L

How many more H+ ions are there in a solution at a

pH = 2 than in a solution at a pH = 6?

⇒ 10,000

Step-by-step explanation:

Answer:

What is the concentration of H+ ions at a pH = 2?

0.01

What is the concentration of H+ ions at a pH = 6?

0.000001

How many more H+ ions are there in a solution at a

pH = 2 than in a solution at a pH = 6?

10,000

Step-by-step explanation:

Answer:

the answer is =6a^3b^5−12a^2b^6−21a^2b^3

Step-by-step explanation:

hoped I helped:)

Answer:

q

Step-by-step explanation:

a

Answer:

Step-by-step explanation:

Answer:

y=100

Step-by-step explanation:

180-50=130

130-30=100

Answer: -2x (x+3) (x+2)

Step-by-step explanation:

Answer:

(−2x)(x+2)(x+3)

Step-by-step explanation:

−2x3−10x2−12x

=(−2x)(x+2)(x+3)

Answer:

(−2x)(x+2)(x+3)

Answer:

-8, 0, and -12

Step-by-step explanation:

Using -7 would get you 8. Using -5 would get you 4

A coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. 4 in 4x).

The 2 and + are out since they don't have variables(and the + is just a +).

So 4 and x are left. x is a variable, not a coefficient, so the last(and correct) answer is 4.

---

hope it helps

Answer:

area = m²/2π

Step-by-step explanation:

∵ circumference of circle = 2πr = m

∴ r = m/2π

∵ area of circle = πr²

∴ area of circle = (m/2π)² × π = m²/2π² × π = m²/2π

hope this helps

Answer:

the answer is A It increases.

that's the right answer go add me snap cutegirllove17

Step-by-step explanation:

have a good day

What is the other number and do you have like a picture

10 percent of 300 is 30

3 hours and 10 minutes =190

Answjnweijfbiqwerf

Step-by-step explanation:

Answer:

324 m³

Step-by-step explanation:

each cube = 3x3x3 = 27 m³

27 m³ 12 = 324 m³

Answer:

7. 3000

8. 768

9. 378

Step-by-step explanation:

7. 60×50=3000

8. 48×16=768

9. 21×18=378

Answer:

74

Step-by-step explanation:

the top two are 5 cm each angled sides and it completely added up to 74

Answer:

the solution for x is x=40

We are given the polynomial:

2x³ - 3x² + 4x - 1 = 0

We need to find the value of r² + s² + t² where r,s,t are the solutions.

Simplifying r² + s² + t²:

r² + s² + t² = (r + s + t)² - 2(rs + st + rt)

[since a²+b²+c² = (a+b+c)² - 2(ab + bc + ca)]

Using the Vieta's formulae:

Above, we can see that in order to find the value of r² + s² + t², we need to find the value of the sum of solutions and sum of solutions taken 2 at a time.

Sum of roots:

We know that the Vieta's formula to find the sum of roots is:

Sum of roots = [tex]-\frac{b}{a}[/tex]

Where b and a are the coefficients from the general form: ax³ + bx² + cx - d

We notice that for the given equation, b = -3 ;  a = 2

Sum of roots = [tex]-(\frac{-3}{2})[/tex]

Sum of roots = [tex]\frac{3}{2}[/tex]

Hence, the sum of roots (r + s + t) = 3/2

Sum of roots taken two at a time:

We know that the Vieta's formula to find the sum of roots taken 2 at a time is: Sum of roots taken 2 at a time = [tex]\frac{c}{a}[/tex]

Where c and a are the coefficients from the general form: ax³ + bx² + cx - d

for the given equation, c = 4 ; a = 2

Sum of roots taken 2 at a time = [tex]\frac{4}{2}[/tex]

Sum of roots taken 2 at a time = 2

Hence, the sum of roots taken 2 at a time (rs + st + rt) = 2

Finding the value of r² + s² + t²:

We proved before that:

r² + s² + t² = (r + s + t)² - 2(rs + st + rt)

now that we know the values of (r + s + t) and (rs + st + rt), we can plug those values to get our answer

r² + s² + t² = ([tex]\frac{3}{2}[/tex])² - 2(2)

r² + s² + t² = ([tex]\frac{9}{4\\}[/tex]) - 4

r² + s² + t² = [tex]\frac{9 - 16}{4\\}[/tex]

r² + s² + t² = [tex]\frac{-7}{4}[/tex] = -1.75

Hence, the value of r² + s² + t² is -1.75

Answer:

take side as a

volume of cube=a×a×a

= 13×13×13

(im so sorry if im wrong)

Answer:

Step-by-step explanation:

sin77=h/8

h=8sin77

h=8(0.9744)

h=7.7952ft

Answer:

[tex]\huge\boxed{132.43}[/tex]

Step-by-step explanation:

= 190 % of 69.70

[% means out of 100 and "of" means to "multiply]

= [tex]\displaystyle \frac{190}{100} * 69.70[/tex]

= 1.9 * 69.70

= 132.43

[tex]\rule[225]{225}{2}[/tex]

Hope this helped!

Answer:

132.43

Step-by-step explanation:

Calculate the percentage of a number.

For example: 190% of 69.70 = 132.43

Answer:

y = -2/7x + 4

Answer:

It has no solution, unless there's a specific way it needs to be solved

Step-by-step explanation:

Step-by-step explanation:

We would do multiplication first, because of order of operations.

2x3=6

Now we add.

6+4=10

hope it helps! :3