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vredina [299]
3 years ago
7

What is 25x10^9 in standard form

Mathematics
1 answer:
OleMash [197]3 years ago
3 0

25*10^9=25*100000000=2500000000

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A new library has 2,300 books to put on the shelves. Each shelf holds 57 books. How many shelves will be completely full of book
Tcecarenko [31]

Answer:40

Step-by-step explanation:

2300/57=40.35

40 shelves will be completely full of books.

5 0
3 years ago
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How do you solve linear equations using substitution
GuDViN [60]
You substitute the y from the second eqaution to the y in the first equation
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If AC is parallel to DF, what is the measure, in degrees, of ∠ABD
Kamila [148]

Answer:

Yes it is parellell

Step-by-step explanation:

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3 years ago
Which points lie on the line whose equation is 8x - 2y + 7 = -9? Select all that apply.
Anestetic [448]

Answer:

A.(-2, 0)

C. (-1.4)

Step-by-step explanation:

we know that

If a point lie on the line, then the point must satisfy the equation of the line (makes the equation true)

we have

8x-2y+7=-9

subtract 7 both sides

8x-2y=-9-7

8x-2y=-16

divide by 2 both sides

4x-y=-8

Substitute the value of x and the value of y of each point in the linear equation and analyze the result

<u><em>Verify each point</em></u>

case A) we have

(-2, 0)

For x=-2, y=0

substitute

4(-2)-(0)=-8

-8=-8 ---> is true

so

the point lie on the line

case B) we have

(1, 3)

For x=1, y=3

substitute

4(1)-(3)=-8

1=-8 ---> is not true

so

the point not lie on the line

case C) we have

(-1, 4)

For x=-1, y=4

substitute

4(-1)-(4)=-8

-8=-8 ---> is true

so

the point lie on the line

case D) we have

(1, -4)

For x=1, y=-4

substitute

4(1)-(-4)=-8

8=-8 ---> is not true

so

the point not lie on the line

case E) we have

(0, -1)

For x=0, y=-1

substitute

4(0)-(-1)=-8

1=-8 ---> is not true

so

the point not lie on the line

7 0
3 years ago
G(x) = x3 + 6x2 + 12x + 8Determine the function’s value when x = −1.
Aneli [31]
Plug in  -1 for x and  work it ou'

g(-1) = (-1)^3 + 6(-1)^2 + 12(-1) + 8

= -1 + 6 - 12 + 8

=  1
8 0
3 years ago
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