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marin [14]
2 years ago
14

Please answer these questions...

Mathematics
1 answer:
Sphinxa [80]2 years ago
8 0

Answer:-18 and T=3+Y

Step-by-step explanation:

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Has to be turned in soon at 9:00 it's 7:50
disa [49]

Answer:

A

Step-by-step explanation:

b must always be greater than 0 since 12b-15 must always be greater than 21. You can simplify the ineqaulity to see things easier; 12b>36. Again, this ineqaulity can be simplified; b>3. A is the closest answer here, but there should be an open interval at 3 for A to be correct.

7 0
2 years ago
What is the solution to this system of equations? 2t + w = 10 4t = 20 − 2w A. It has no solution. B. It has infinite solutions.
joja [24]

Answer:

<h3>B. It has infinite solutions</h3>

Step-by-step explanation:

Given the system of equations:

2t + w = 10 ..... 1

4t = 20 − 2w ... 2

From 1:

w = 10-2t ...3

Substitute 3 into 2 to have;

4t = 20 - 2(10-2t)

4t = 20-20+4t

4t = 4t

Let t = k

Substitute t = k into 1 and get w;

From 1: 2t + w = 10

2k + w =10

w = 10 - 2k

<em>k can take any integers. This shows that the solution to the equation is infinite</em>

<em></em>

7 0
3 years ago
What number must you add to complete the square x2 + 12x = -3
Serga [27]
<span>What number must you add to complete the square x^2 + 12x = -3?</span>

Make sure to always check your answers, by the way!

The answer is: (x + 6)² - 33


Hope I helped!

Let me know if you need anything else!

~ Zoe
6 0
3 years ago
Read 2 more answers
Is my answer correct? Even if it is tell me so. If it is not, explain the correct answer to me..
stira [4]
Ya it is ya it is ya it is ya it is ya it is ya it is ya it isya it isya it isya it isya it isya it isya it isya it isya it is<span>ya it is</span>
4 0
3 years ago
I need help plz !!!!
svetlana [45]
X = 66 or 180 - 114, which = 66
3 0
3 years ago
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