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kakasveta [241]
4 years ago
10

What is the value of x 21, 18, 10 or 29?

Mathematics
2 answers:
Hitman42 [59]4 years ago
8 0
18. Set the the two equations equal and solve.
Lerok [7]4 years ago
8 0
7x + 11 = 10x - 43
7x - 10x = -43-11
-3x = -54
x = 18
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Find the value of n such that x2-10x+n is a perfect square trinomial.
mihalych1998 [28]
The answer is the last option (Option D), which is:

 D. 25

 The explanation is shown below:

 1. You have that:

 (a ± b)^2=a^2 <span>± 2ab + b^2

 2. The expression given in the problem is:

 </span><span>x^2-10x+n

 Where x^2=a and 2ab=10x

 2b=10
 b=10/2
 b=5

 3. Therefore, you have:

 b^2=5
 b^2=25

 b^2=n
 n=25</span>
7 0
3 years ago
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To convert a temperature from degrees Celsius to degrees Fahrenheit, you can use the formula F= (C*1.8) + 32 where F is degrees
asambeis [7]

Answer:

The temperature is 50^{\circ}F

Step-by-step explanation:

Given

F= (C*1.8) + 32

Required

Find F when C = 10

F= (C*1.8) + 32

Substitute 10 for C

F = 10 * 1.8 + 32

F = 18 + 32

F = 50

6 0
3 years ago
(Pls help me ASAP i will give brainliest!! Also, pls write at least 3 sentences to explain your reasoning :) )
mafiozo [28]

Answer:

the answer is 14,880 and its bigger :D 14880>12400

Step-by-step explanation:

7 0
3 years ago
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Which of the following shows the prime factorization of 360 using exponential notation?​
WINSTONCH [101]

You can find the prime factorization of 360 by dividing it by 2. Then you get 2 * 180. 180 can be simplified to 2 * 90. 90 can be simplified to 2 * 45. 45 can simplified to 3 * 15. 15 can be simplified to 3 * 5.

The prime factorization of 360 is 2^3 * 3^2 * 5.

You can check that answer. 2^3 = 8 → 3^2 = 9 → 8 * 9 * 5 = 360

7 0
3 years ago
Solve for x <br> abx-cdx=15m
VladimirAG [237]
X(ab-cd)=15m

x=15m/(ab-cd)
7 0
4 years ago
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