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3 years ago

Q3) Jim is scuba diving. Jim started out 25 feet below the surface. He

Mathematics

2 answers:

dedylja [7]3 years ago

7 0

Answer:

-31 feet

Step-by-step explanation:

so, -25 is the start point.

he goes anither -13 feet, so hes at -38.

he rises 7 feet, so hes at -31 feet.

IrinaVladis [17]3 years ago

6 0

Carla rested at: -33
Jim rested at: -35

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Step-by-step explanation:

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3 years ago

The area of San Bernardino County, California, is the largest county in the United States, is about 3 to the 9 power square mile

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3 years ago

Read 2 more answers

PLEASE HELP ASAP OFFERING 10 POINTS

klio [65]

Just did one just like it

688.32 = x + .043 x + .0325 x = 1.0755 x

x = 688.32/1.0755 = $640.00

Answer: $640.00

Check: 640(1+.043+.0325)= 688.32 good

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4 years ago

Name two lines in the diagram.

Oksanka [162]

Answer:

Options (3) and (6)

Step-by-step explanation:

"A straight line is a set of all points between two points and extending beyond these points."

Therefore, from the given diagram,

Arrows connecting set of two points B and C and D and E will be straight lines.

Geometrically we denote them with an arrow over the line.

$\overleftrightarrow {BC}$ and $\overleftrightarrow {DE}$

Therefore, Options (3) and (6) will be the answer.

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3 years ago

Factor the expression completely. 625x4 - 256y4

scoundrel [369]

Answer:

(625 • (x4)) - 28y4

54x4 - 28y4 3.1 Factoring: 625x4-256y4

Theory : A difference of two perfect squares, A2 - B2 can be factored into (A+B) • (A-B)

Proof : (A+B) • (A-B) =

A2 - AB + BA - B2 =

A2 - AB + AB - B2 =

A2 - B2Note : AB = BA is the commutative property of multiplication.

Note : - AB + AB equals zero and is therefore eliminated from the expression.

Check : 625 is the square of 25

Check : 256 is the square of 16

Check : x4 is the square of x2

Check : y4 is the square of y2

Factorization is : (25x2 + 16y2) • (25x2 - 16y2) 3.2 Factoring: 25x2 - 16y2

Check : 25 is the square of 5

Check : 16 is the square of 4

Check : x2 is the square of x1

Check : y2 is the square of y1

Factorization is : (5x + 4y) • (5x - 4y)this is the answer: (25x2 + 16y2) •(5x + 4y) • (5x - 4y)

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3 years ago