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4 years ago

HELP PLEASE 100 POINTS WILL MARK BRAINLIEST

Mathematics

2 answers:

Sedbober [7]4 years ago

6 0

Answer:

the answer is C.

~batmans wife dun dun dun.....

sweet-ann [11.9K]4 years ago

3 0

Substitution is where you solve for one of the variables and then plug that in for the same variable in the other equation. Here, there is already an equation that is solved for a variable, $\sf y=4x-11$ . So we can plug in '4x - 11' for 'y' in the other equation:

$\sf 3x+5y=-9$

$\sf 3x+5(4x-11)=-9$

Distribute 5 into the parenthesis(multiply it to every term in the parenthesis):

$\boxed{\sf 3x+20x-55=-9}$

Your answer is C.

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the temperature dropped by 7.f each hour from 5:00 am to 9:00 am. What was the beginning temperature at 5:00 am if the temperatu

Sati [7]

4 * 7 = 28.
28 + (-10) = 18
Therefore, the answer is 18.

If you want to check this, you can subtract 7 from 18 four times.

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3 years ago

The temperature increases from 18°F to 27° F.

IgorLugansk [536]

D) 50%

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3 years ago

Will mark brainlist if its right

pickupchik [31]

Answer: S<\-2

Hope i was some help.

Step-by-step explanation: sorry I can’t put the right sign my keybored won’t let me but you know what it stands for.

3s+6s</-5(s+2)

start off with -5(s+2) you multiply -5 with s and it is -5s then you do the same for +2 take -5 and multiply by +2 pos times a neg is always a neg so it’s -10.

3s+6<\-5s-10

So you have to get rid of the -5s so your going to do the inverse which is add 5 to -5 and it will get rid of -5s but then you have to add 5 to 3s and that will be 8s.

8s+6</-10

Now your going to get rid of the +6 and to do that you do the inverse you subtract 6 and it will get rid of it now you have to do the same for -10 so you will subtract 6 to -10 and that will equal -16.

Now you have to divide!

8s/8 </ -16/8

And it should equal s <\-2

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3 years ago

Which graph represents a function?

PtichkaEL [24]

Answer:

Step-by-step explanation:

a function happens when there is exactly one output given for every input

<h2><u><em>Branliest plzzzzz</em></u></h2>

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3 years ago

8 millions + 6 thousands + 9 hundreds + 7 ones = 806. 907 A True. b.false

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Answer:

true

Step-by-step explanation:

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3 years ago

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