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Lena [83]
3 years ago
8

2x + 5y = 3x + 2y = -1​

Mathematics
1 answer:
Alexxandr [17]3 years ago
3 0

Answer:

just use the elimination method lol

Step-by-step explanation:

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Prove that the angles at the base of an isosceles triangle are acute
garik1379 [7]
1. Since it is an isosceles triangle, we know that the two length sides have to be the same. Therefore, the angles across from the sides are the same. They cannot be 90 degrees or above because 90+90+0 would mean we would have all the interior angles at 180 but the thing is the third angle cannot be zero. Therefore, the other two angles cannot be 90 or more. They must be acute.



Also, if it had two right angles (90 degrees) or more, it could not close to be a triangle.


7 0
3 years ago
Find the value g(-2), where g is defined below.<br> g(x) = 2x^2- 4x – 4
DanielleElmas [232]

Answer:

12

Step-by-step explanation:

For this question, simply plug in -2 for x:

g(-2)=2(-2)^2-4(-2)-4\\g(-2)=2(4)+8-4\\g(-2)=8+8-4\\g(-2)=12

Hope this helps!!

8 0
3 years ago
At a local pet store, zebra fish cost $2.10
FinnZ [79.3K]

Answer:

What

Step-by-step explanation:

3 0
3 years ago
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(13x+2)+(7x-10) add and find the answer
Anna11 [10]

Answer:

(13x + 2) + (7x - 10) \\  = 13x + 2 + 7x - 10 \\  = 13x + 7x + 2 - 10 \\  = 20x - 8

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3 0
3 years ago
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Lydia is having a party on Saturday. She decides to write a riddle on her invitations to describe her house number on Cypress St
ankoles [38]

Answer:

Lydia's address is Cypress Street is: 51823

Step-by-step explanation:

Represent the digit as ABCDE such that:

A = Ones

B = Tens

C = Hundred

D = Thousand

E = Ten Thousand

Analyzing the statements one after the other:

The tens digit is 6 less than 7.

B = 7 - 6

B = 1

The thousands digit is twice the digit in the tens place.

D = 2B

D = 2 * 1

D = 2

The hundreds digit is the greatest even number that is less than 10.

C = 8

The ones digit is the product of 5 and 1.

A = 5 * 1

A = 5

The ten thousands digit is the difference between the hundreds digit and the ones digit.

E = C - A

E = 8 - 5

E = 3

Lydia's address is Cypress Street is: 51823

4 0
3 years ago
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