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timofeeve [1]
3 years ago
13

Helllllllpppppp me plz

Mathematics
2 answers:
Genrish500 [490]3 years ago
5 0

Answer:

90 degrees

Step-by-step explanation:

liberstina [14]3 years ago
4 0

Answer:

x=103

Step-by-step explanation:

sum=(n-2)*180

sum=(6-2)*180

sum=4*180

sum=720

90+155+112+120+140+x=720

617+x=720

x=720-617

x=103

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Find x when y = 3 in the literal equation 3x + 6y= 24.<br> A. 3<br> B. 18<br> C. 6<br> D. 2
alekssr [168]

Answer: It is D

Step-by-step explanation:

3 0
2 years ago
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When filling your gas tank, if you pay c dollars for g gallons of gas, you have the following table.
Ksenya-84 [330]

Option D statement "A 12-gallon tank would cost $47.40 to fill completely" is true.

<h3>What is a domain?</h3>

The whole of the independent variable's possible values makes up the domain of a function.

For the given data we need to find which of the given statements are true.

From option A:

The domain is {4, 8, 11, 15}.

The domain is all possible x values so this would be 0 to infinity as you can pay for more gallons not just to that certain set of numbers.

Therefore, option A is False.

From option B:

An 11-gallon tank would cost $44.00 to fill completely.

From the given table we can see that 11-gallon tank costs $43.45.

Therefore, option B is False.

From option C:

A 9.1-gallon fill-up would cost $35.49.

To find 9.1 gallons we need to find the cost of 1-gallon.

That is, 15.80/4 = $3.95 (Given in the table)

Now the cost of 9.1 gallon tank is $3.95 x 9.1 = $35.95 not $35.49

Therefore, option C is False.

From option D:

A 12-gallon tank would cost $47.40 to fill completely.

We found that 1 gallon is $3.95.

$3.95 x 12 = $47.40

Therefore, option D is True.

Hence, from the given statements option D is True.

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6 0
2 years ago
F (x )= 1/4 x for x = -5
Sholpan [36]

Answer:

-5/4

Step-by-step explanation:

f(x)=1/4x

f(-5)=1/4(-5)

f(-5)=-5/4

6 0
3 years ago
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mr albernathy perchases a selection of wrenches for his shop. his bill was $78. he buys the same number of $1.50 wrenches and $2
ICE Princess25 [194]

Answer:

Mr. Abernathy purchased 10 of $1.50 wrenches, 10 of $2.50 wrenches, 5 of $4 wrenches and 6 of $3 wrenches.

Step-by-step explanation:

6 0
2 years ago
How many minutes are there in 4 and a half hours?
Annette [7]
1 \ hour=60 \ minutes \\\\ a \ half \ an \ hour = \frac{1 \ hour}{2}=\frac{60min}{2}=30 minutes \\\\ 4 \ hurs \ and \ a half = 4*60+30= \\\\ =240+30=\\\\ =\boxed{270}
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3 years ago
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