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Kipish [7]
2 years ago
8

What are the domain and range of the function represented by the set of ordered pairs? {(-7,1),(-3,2), (0, -2), (5,-5)}​

Mathematics
1 answer:
zimovet [89]2 years ago
7 0

Answer:

domain:  {-7, -3, 0, 5}

range:  {-5, -2, 1, 2}

Step-by-step explanation:

The domain of this set of ordered pairs is the set of input values (x-coordinates):  {-7, -3, 0, 5}, and the range is that of output values (y-coordinates):  {1, 2, -2, -5} or {-5, -2, 1, 2}.

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An angle less than 90 degrees ​
OverLord2011 [107]

Answer:

<u>Acute Angle</u>

Step-by-step explanation:

<u>Obtuse Angle</u> is greater than 90 degrees

<u>Right Angle</u> is exactly 90 degrees

<u>Acute Angle</u> is less than 90 degrees

5 0
3 years ago
Item 20 A rectangular school banner has a length of 54 inches and a width of 36 inches. A sign is made that is similar to the sc
siniylev [52]

Answer:

The ratio of the area of the school banner to the area of the sign is <u>1944 cubic inches : 192.61 cubic inches.</u>

Step-by-step explanation:

Given:

A rectangular school banner has a length of 54 inches and a width of 36 inches. A sign is made that is similar to the school banner and has a length of 17 inches.

Now, to find the ratio of the area of the school banner to the area of the sign.

Dimensions of school banner :

Length = 54 inches.

Width = 36 inches.

Dimension of school sign:

Length = 17 inches.

So, to we find the width of sign by using cross multiplication method:

Let the width be x.

So, 54 is equivalent to 36.

Thus, 17 is equivalent to x.

\frac{54}{36} =\frac{17}{x}

By cross multiplying we get:

54x=612

Dividing both sides by 54 we get:

x=11.33\ inches.

Thus, the width of sign = 11.33 inches.

Now, to get the ratio of the area of the school banner to the area of the sign:

Area of the school banner : Area of the school sign.

= 54\times 36:17\times 11.33

= 1944:192.61

Therefore, the ratio of the area of the school banner to the area of the sign is 1944 cubic inches : 192.61 cubic inches.

6 0
3 years ago
Read 2 more answers
Find the value of x. If​ necessary, write your answer in the simplest radical form.
Paul [167]

Answer:

x = 4\sqrt{5}

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

x² + 1² = 9²

x² + 1 = 81 ( subtract 1 from both sides )

x² = 80 ( take square root of both sides )

x = \sqrt{80} = \sqrt{16(5)} = \sqrt{16} × \sqrt{5} = 4\sqrt{5}

3 0
2 years ago
Read 2 more answers
Roberto wants to make $2.00 using half of dollar, and quarters.how many different ways can he make $2.00
Alik [6]
A half a dollar is 50 cents. If you want to use quarters, you would need 6 more quarters to make 2 dollars.
6 0
3 years ago
BRAINLIEST PLEASEEEE HELP DUE IN 3hrs Can someone help me with this
cestrela7 [59]

Answer:

Step-by-step explanation:

14: k^-3/k^4= 1/k^7

15: answer : 1/3²

16: n^-4

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18: (x^5-y^2)²+x³ =

(2^5-8^2)²+2³ =1032

19: m²-n³

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4500/10 = 450 islands

8 0
2 years ago
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