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3 years ago

Question 10

2 answers:

5 0

It’s the third one because we know that the negative 5 Will be positive in the equation same with the 8 and the radius is 2 so square it and it’s 4

zalisa [80]3 years ago

5 0

Answer:

(X+5)^2+(y+8)^2=4

Step-by-step explanation:

The equation of circle is

(X-a)^2+(y-b)^2=r^2 where (a,b) is center and r is radius of circle.

We have that center is (-5,-8) and radisu r=2 so we have equation:

(X+5)^2+(y+8)^2=4

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A train travels from station A to C having distance of 285 miles in 6 hours. During the journey, it reaches intermediate station

Nesterboy [21]

Answer:

Distance between B and C = $3\times 55=165miles$

Step-by-step explanation:

Let the time taken to reach from station A to B be x hr

Let the time taken to reach from station B to C be y hr

Given total time from station A to C be 6 hr

∴ x + y = 6

⇒ y = 6 - x → (1)

Also total distance given is 285 miles

As $Distance=Speed\times Time$

∴ distance travelled between station A and B

= $40\times xmiles$

distance travelled between station B and station C

= $55\times ymiles$

So, 40x + 55y = 285

⇒ 40x + 55(6 -x) = 285 (From 1)

=> 40x + 330 - 55x = 285

=> -15x = 285 - 330

=> -15x = -45 ⇒ x=3

gives y = 6-3 = 3 hours

Distance between B and C = $3\times 55=165miles$

5 0

3 years ago

What is the relationship between gross pay and net pay?

Bas_tet [7]

Gross Pay is the total amount of money you get before taxes or other deductions

Net Pay is the amount of pay remaining after deductions have been made (for example, taxes, payment for health-care, etc)

hope this helps :D

6 0

3 years ago

I need desperate help PLEASE!!!

koban [17]

Answer:

OPTION B

OPTION D

Step-by-step explanation:

An element in the domain should be mapped to exactly one element on the co-domain. Also, every element in the domain should be mapped to an element in the co-domain.

These two conditions are satisfied to call a relation, a function.

Two different elements in the domain can be mapped to the same element in the co-domain. But the same element in the domain cannot be mapped to two different elements in the co-domain.

A) {(3,7), (3,6), (5,4), (4,7)}

Here, the element '3' in the domain is mapped to two elements 7 and 6. So, it is not a function.

B) {(1,5), (3,5), (4, 6), (6,4)}

This is a function because all the elements in the domain have a unique image in the co-domain. So, this is a function.

C) {(2,3), (4,2), (4,6), (6,4)}

Here, the element '4' in the domain is again mapped to two different elements. Hence, it cannot be a function.

D) {(0,4), (3,2), (4,2), (6,5)}

This is again a function. Because the domain is mapped to unique elements. So, this is a function.

4 0

3 years ago

Can I have some help

ipn [44]

Itd be 1, because the other ones aren’t possible

6 0

3 years ago

Ten hour is what part of the day?

GenaCL600 [577]

Morning-ish noon-ish more to the morning side

3 0

3 years ago

Read 2 more answers