Rename 120,000 = ten thousands

Answers

Answer 1
Answer: Stop at the ten thousands column - so it is equal to 12 ten thousands
Check: 12 x 10,000 = 120,000

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What is the value of y? y= -5x -9

Answers

y is = -4

step one wite down your y = -5x-9
step two add 5x on -5x there for you will get 0
step three add 5x on -9
step 4 you will left y= x-4 -x
now - both (x) , then you will get -4

Write a rule for the nth term of the arithmetic sequence. d=2, a12=18. Please explain!

Answers

1.an = 3n - 1 2. an = 2(2n - 3) 3.an = 4^n 4.an = (2/3)^n 5. an = (-1)^n(n + 5) 6. an = (-1)^n + 1(n + 6) 7. an= n+3/2n-1 8. a1 = -5 and an = an-1 - 3 for n ≥ 2 9. a1 = -6 and an = -2an-1 for n ≥ 2 10.a1 = 4 and an = 3an-1 + 2 for n ≥ 2 11. Find a8 when a1...
I have no idea what you mean right now.  Can you get a picture of whatever it is you are having trouble on?

What is the value of the expression ? expression is 1/5-5A.
Negative Exponents

B.
Negative Exponents

C.
25

D.
3125
I NEED ADDITIONAL ANSWERS ASAP

Answers

(1)/(5^(-5)) = 5^5 = 5* 5* 5* 5* 5= 25* 25* 5 = 625* 5 = \boxed{3125}

19. If the scale is 1:100 on a plan, and a fence is 7,500 mm,how many millimetres will it measure on the plan?
mm​

Answers

Answer:

It will measure 75 millimetres on the plan.

Step-by-step explanation:

Given:

Scale on the plan = 1:100

Length of the fence =  7,500 mm

To find:

how many millimetres will it measure on the plan

Solution:

As the ratio on the plan is 1: 100, the for 7500 the ratio will

x : 7500

Now by cross multiplication we get

7500 * 1 = x * 100

7500 = 100x

x =( 7500)/(100)

x = 75

If a full dose of medicine is 560 mg how much is 80% of a dose

Answers

448 mg

560 mg * 0.80 = 448 mg

PLEASEE HURRY!!!!!!!! Tom determines that the system of equations below has two solutions, one of which is located at the vertex of the parabola.
Equation 1: (x – 3)2 = y – 4
Equation 2: y = -x + b
In order for Tom’s thinking to be correct, which qualifications must be met?
A: b must equal 7 and a second solution to the system must be located at the point (2, 5).
B: b must equal 1 and a second solution to the system must be located at the point (4, 5).
C: b must equal 7 and a second solution to the system must be located at the point (1, 8).
D: b must equal 1 and a second solution to the system must be located at the point (3, 4).

Answers

Answer:

Option A: b must equal 7 and a second solution to the system must be located at the point (2, 5)

Step-by-step explanation:

step 1

Find the vertex of the quadratic equation

The general equation of a vertical parabola in vertex form is

y=a(x-h)^2+k

where

(h,k) is the vertex

we have

(x-3)^(2)=y-4

so

y=(x-3)^(2)+4

The vertex is the point (3,4)

step 2

Find out the value of b in the linear equation

we know that

If the vertex is a solution of the system of equations, then the vertex must satisfy both equations

substitute the value of x and the value of y of the vertex in the linear equation

y=-x+b

For x=3, y=4

4=-3+b

b=7

so

y=-x+7

step 3

Find out the second solution of the system of equations

we have

y=(x-3)^(2)+4 -----> equation A

y=-x+7 ----> equation B

solve the system of equations by graphing

Remember that the solutions are the intersection points both graphs

The second solution of the system of equations is (2,5)

see the attached figure

therefore

b must equal 7 and a second solution to the system must be located at the point (2, 5)

Answer:

a

Step-by-step explanation: