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Bezzdna [24]
2 years ago
15

-10x + 4y = -10 3x + 4y = 29 Using elimination or substitution method

Mathematics
2 answers:
Svetach [21]2 years ago
6 0
I got (3,5) if that’s what your looking for
ira [324]2 years ago
5 0

Answer:

x=3, y=5

Step-by-step explanation:

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Please help me.
Paul [167]

Answer:

(1,K) hope i could help

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Which point is located at (–1, 3)? On a coordinate plane, point A is 1 unit to the right and 3 units down. Point B is 3 units to
Marizza181 [45]

Answer:

Point C.

Step-by-step explanation:

When the x-value is negative, the point is moving left. In this case, the point is moving left 1.

When the y-value is positive, the point is moving up. In this case, the point is moving up 3.

Only Point C fits the description.

4 0
3 years ago
a radioactive substance has a half-life of 2 seconds. A scientist begins with a sample of 20 grams. How much of the substance re
s344n2d4d5 [400]

Answer:

1.25 g

Step-by-step explanation:

you start with 20g at 0 seconds.

divide by half after 2 seconds and you have 10g.

at 4 seconds you have 5g.

at 6 seconds you have 2.5g.

at 8 seconds you have 1.25g.

5 0
2 years ago
What is the ratio for sin B?
Y_Kistochka [10]

Answer: 22.6°

Approximately: 23°

Step-by-step explanation:

Sin B = Opp/Hyp

Sin B = 5/13

Sin B = 0.3846

Inverse of Sin B

B = 22.6°

Approximately: 23°

3 0
3 years ago
You earned a 90% on a science test. You answered 18 questions correctly. How many questions were on the test?
Kruka [31]
This is an easy one!

Answer = 20. 

(18/20) x 100 = 90%

So, 20 questions!
8 0
3 years ago
Read 2 more answers
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