Please help!!!!!!!!!!!!

Answers

Answer 1

Answer: Looks like AB is the same as BV, so the answer is going to be the same

the circumference of a circle is 360°
so, 360 -140 = 220, this shows that ABC is going to be 220, and those two angles are the same, so 220 / 2 = 110

x = 110°

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Can anyone please help ????? And if you do thank you

Consider the following pair of equations: y = 3x + 3
y = x − 1

Explain how you will solve the pair of equations by substitution. Show all the steps and write the solution in (x, y) form.

Answers

The coordinate (x,y)=(-2,-3).

We have given the following pair of equations

y = 3x + 3.....(1)

y = x − 1.....(2)

Here we use the substitution method

What substitution method?

The value of one variable from one equation is substituted in the other equation

So the given system of linear equation

We have substitute the value of y from equation 2 into the value of y in equation one

So we get

x − 1= 3x + 3

add like terms

x-3x=3+1

-2x=4

x=4/-2

x=-2

Plug x=-2 in equation 2 we get,

y = -2 − 1

y=-3

Therefore we get the coordinate(x,y)=(-2,-3).

To learn more about the substitution method visit:

brainly.com/question/22340165

$3x + 3 = x - 1 \n 3x - x = - 1 - 3 \n 2x = - 4 \n x = ( - 4)/(2 ) = - 2$
Take X=-2 into y
$y = x - 1 \n y = - 2 - 1 \n y = - 3$
(x, y) =(-2,-3)

How to add 9.73 and 21.6?

Answers

21.60
+ 09.73
____
31.33

look at the colomns and add them together. Or use a calculator.

Answer:

31.33

Step-by-step explanation:

9.73

+------- = 31.33 or just 9.73 + 21.6= 31.33 recommend if you are solving 21.6 things and need help, use the calculator, yw have an amazing dayヾ(≧▽≦*)o

One in ten plus one. how much is it?

Answers

1 In 10 is a ratio 1:10 or 1/10. Add 1 for

1 + 1/10 = 1 1/10

The work of a student to solve a set of equations is shown:Equation A: y = 15 – 2z

Equation B: 3y = 3 – 4z

Step 1: –3(y) = –3(15 – 2z) [Equation A is multiplied by –3.]
3y = 3 – 4z [Equation B]
Step 2: –3y = 15 – 2z [Equation A in Step 1 is simplified.]
3y = 3 – 4z [Equation B]
Step 3: 0 = 18 – 6z [Equations in Step 2 are added.]
Step 4: 6z = 18
Step 5: z = 3

In which step did the student first make an error

Answers

Step 1. Equation B could not have simplified out to 3y= 3 - 4z because Equation A's original equation was y= 15 - 2z. That means after the multiplication by -3, -3(y)= -3(15 - 2z) it would equal -3y= -45 + 6z.

Answer:

Step 2

Step-by-step explanation:

Where did the -3 from the first equation get simplified to?

Step 1: –3(y) = –3(15 – 2z)

Step 2: 3y = 15 – 2z

Some irrigation systems spray water in a circular pattern. You can adjust the nozzle so it sprays in certain directions. The nozzle in the diagram is set so it does not spray the house. If the spray has a radius of 12 ft, what is the approximate length of the arc that the spray creates?

Answers

L - length of the arc;
Length of the arc is 3/4 of a circumference.
C = 2 r π = 2 * 3.14 * 12 = 75.36 ft
L = 75.36 * 0.75 = 56.52 ft
Answer:
The approximate length of the arc is 56.52 ft.

Compare the numbers √11 and 3.7. Use the symbols <,>,or=.