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4 years ago

What is the range of the relation?

Mathematics

2 answers:

zalisa [80]4 years ago

8 0

Answer:

Step-by-step explanation:

zavuch27 [327]4 years ago

5 0

So the right answer is of option D.

Look at the attached picture..

Additional Information:

The second components of a relation is called range 

Hope it will be helpful to you. .

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-a(a² + 2a-1) for a = 2 pls help me solve this

Paraphin [41]

Answer:

I got you covered

Its -2(2^2 + 2 * 2 -) = -14 ^ = exponent

Step-by-step explanation:

!!HOpe ThIs HeLps!!

Calculate with parentheses (2^2 + 2 * 2 -1) :7

= -2 * 7

The multiply and divide (left to right)

= -14

GL on the test

5 0

2 years ago

Read 2 more answers

Maths question please help !! thank u :)

nikdorinn [45]

Answer:

1350m

Step-by-step explanation:

Let the distance ran by Denise, Farah and Elaine be D, F and E meters respectively.

From the given information,

D= ⅔(E +F) -----(1)

E= ½(D +F) -----(2)

Let's get rid of the fraction so the equations are much easier to work with.

From (1):

3D= 2(E +F) (Multiply both sides by 3)

3D= 2E +2F -----(3) (Expand)

From (2):

2E= D +F -----(4)

Substitute (4) into (3):

3D= D +F +2F

3D -D= 3F

2D= 3F

Given that Farah ran 360m, F= 360.

2D= 3(360)

2D= 1080

D= 1080 ÷2

D= 540

2E= D +F

2E= 540 +360

2E= 900

E= 900 ÷2

E= 450

Total distance the 3 girls ran

= D +F +E

= 540 +360 +450

= 1350m

Alternatively, you could start by substituting F= 360 to equations (1) and (2).

6 0

3 years ago

A particular dam contains approximately 1,900,000,000,000 cubic feet of water. for a week long spike flood, the dam released at

Fantom [35]

Answer:

a) How much water was released during the flood?

14878080000 cubic feet or 14,878,080,000ft³

b) What percentage of the dam was released during the flood?

0.78%

Step-by-step explanation:

a) How much water was released during the flood?

The first step would be to find out how many seconds are in a week

60 seconds = 1 minute

60 minutes = 1 hour

24 hours = 1 day

7 days = 1 week

Hence, the number of seconds in a week =

1 week × (7 days/1 week)× (24 hours/1 day )×( 60 minutes/1 hour) ×( 60 seconds/1 minute)

= 604800 seconds

Therefore, the quantity of water released per week =

604800 seconds × 24,600 cubic feet per second

= 14,878,080,000 cubic feet or 14,878,080,000ft³

b) What percentage of the dam was released during the flood?

This is calculated as quantity released during the week ÷ Quantity of water in the dam × 100%

Quantity of water released during the flood in a week = 14,878,080,000 cubic feet

Quantity of water in the dam= 1,900,000,000,000 cubic feet of water

Percentage of the dam released during the flood =

14,878,080,000 cubic feet ÷ 1,900,000,000,000 × 100

= 0.7830568421%

Approximately = 0.78%

7 0

3 years ago

ricky caught a snake that was 58.2 centimeters long. which of these lengths has an 8 with a value of 1/10 the value of the 8 in

Kryger [21]

The value of 8 in 58.2 is 8 ones.

The place value of 1/10 of a value in the ones place is 8 tenth.

Therefore, from the given options, the length that has an 8 with a value of 1/10 the value of the 8 in 58.2 centimeters is 209.86cm

7 0

4 years ago

OH NO PLEASE HELP! I NEED TO SUBMIT THIS ASAP PLEASE

lozanna [386]

Answer: THE First answer Choice

Step-by-step explanation:

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5 0

3 years ago

Read 2 more answers