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Gnesinka [82]
3 years ago
12

Which graph shows a set of ordered pairs that represent a function?

Mathematics
1 answer:
zaharov [31]3 years ago
7 0

Answer:

xxxxx

Step-by-step explanation:

xxxxx

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In an isosceles triangle two sides are equal. The third side is two less than twice the length of the two equal sides. The perim
pogonyaev

Answer:

The equal sides' length = 10

Third side length = 18

Step-by-step explanation:

Let the two equal sides' length be "x"

Let the third side length be "y"

Third side (y) is 2 LESS THAN TWICE the equal side, so we can write:

y = 2x - 2

The perimeter is 38. The perimeters is the sum of all three sides. So we can write:

x + x + y = 38

Replacing y with 2nd equation, we have:

x + x + (2x - 2) = 38

Now, we can solve this for x first:

x + x + (2x - 2) = 38\\x+x+2x-2=38\\4x=38+2\\4x=40\\x=10

Now, y is:

y = 2x - 2

y = 2(10) - 2

y = 20 - 2

y = 18

The equal sides' length = 10

Third side length = 18

3 0
3 years ago
The product of two consecutive numbers exceeds the square
Lyrx [107]

Answer:

20,21

Step-by-step explanation:

Let x be the first number.

Let y be the 2nd number.

Given y - x = 1 (since they are consecutive)

Rearrange it: y = x+1 (equation 1)

Also given:

xy-20=x^{2} (equation 2)

Now we can substitute y = x + 1 into equation 2.

x(x+1)-20 = x^{2} \\x^{2} +x-20 = x^{2} \\x-20=x^{2} -x^{2} \\x-20=0\\x=20

Since we know x, the smaller number is 20, we can substitute to equation 1 to find y, the larger number.

y = 20+1

= 21.

Therefore the 2 numbers are 20 and 21.

8 0
1 year ago
Allyson took out a loan for $8,500 to pay for a trip to Europe. If this was a 4-year loan with monthly payments of $212.50, what
KIM [24]

Answer:

10%

Step-by-step explanation:

8 0
2 years ago
Find the missing value 1/2 equals 28 over X ​
muminat

Answer:

x = 56

Step-by-step explanation:

cross multiply. 28 times 2 and 1 times x. set them equal to each other and solve for x to get 56.

8 0
3 years ago
Lonnie went to the store to buy groceries she purchased 3 egg containers for 4.75 each and returned 3 milk containers for 2.50 e
dimulka [17.4K]
4.75×3=14.25
----------------------------------------
2.50×3=7.5.
-------------------------------------------
14.25+7.5=21.75
-----------------------------------------------
she does not have enough money
8 0
3 years ago
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