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Delvig [45]
3 years ago
13

How does writing equivalent equations help you solve a system of equations?

Mathematics
1 answer:
Alexus [3.1K]3 years ago
3 0
Writing equivalent equations help you solve system of equations because it sets it up for being broken down part by part.

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Amanda, Boris, and Jose sent a total of 124 text messages during the weekend. Amanda sent 8 fewer messages than Jose
GrogVix [38]

Answer:

Amanda= 14

Boris = 88

Jose= 22

Step-by-step explanation:

Amanda= jose-8

Boris = 4×jose

Jose= Jose

total all = 124

(jose-8)+(jose×4)+(jose)= 124

so we substitute jose with X .

(X-8)+(4X)+(X)=124

6X-8= 124.

6X=124+8

X=132/6

X= 22.

so that total jose is 22, minus 8 we get Amanda, times 4 we get Boris.

7 0
2 years ago
The following formula can be used to find the period of a simple pendulum. If the pendulum length (L) is in meters, and gravity
UNO [17]

Answer:The answer is C

Step-by-step explanation:

A. Meters

B. Seconds squared

C. Seconds

D. Seconds per meter

6 0
3 years ago
Read 2 more answers
Solve for X. Leave your answer in simplest radical form if necessary.
lord [1]

:) Brainliest?

Answer:

x = sqrt 2, y = 2

Step-by-step explanation:

45-45-90 triangles have a ratio of 1 : 1 : sqrt2

8 0
2 years ago
Read 2 more answers
How do solve this problem
Tanzania [10]
Multiply the first equation by 3
21x+15y=-6

Add this to the second equation
21x+15y=-6
-21x-15y=6
0+0=0

True

Final answer: Infinitely Many Solutions (they are coinciding lines)
8 0
3 years ago
if anyone could help me to figure out whether or not this is correct i would appreciate that. thank you :)
hram777 [196]
450 with an exponent of 3 equals -1425 so I think u are right
3 0
3 years ago
Read 2 more answers
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