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Artist 52 [7]
3 years ago
11

The answer to 5a-2=23

Mathematics
2 answers:
Sindrei [870]3 years ago
7 0

Answer:

a = 5  

Step-by-step explanation:

assuming you are trying to find the value for a,

5a-2 = 23  (add 2 to both sides)

5a = 23 + 2

5a = 25   (divide both sides by 5)

a = 25/5

a = 5

Hope this helps  

kow [346]3 years ago
6 0

Answer:

a=5

Step-by-step explanation:

To solve, we need to isolate the variable, a

5a-2=23

Add 2 to both sides

5a=25

Divide both sides by 5

a=5

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The GCD(a, b) = 9, the LCM(a, b)=378. Find the least possible value of a+b.
denis-greek [22]
\mathrm{gcd}(a,b)=9\implies9\mid a\text{ and }9\mid b\implies9\mid a+b

which means there is some integer k for which a+b=9k.


Because 9\mid a and 9\mid b, there are integers n_1,n_2 such that a=9n_1 and b=9n_2, and


\mathrm{lcm}(a,b)=\mathrm{lcm}(9n_1,9n_2)=9\mathrm{lcm}(n_1,n_2)=378\implies\mathrm{lcm}(n_1,n_2)=42

We have 42=2\cdot3\cdot7, which means there are four possible choices of n_1,n_2:

1, 42
2, 21
3, 14
6, 7

which is to say there are also four corresponding choices for a,b:

9, 378
18, 189
27, 126
54, 63

whose sums are:

387
207
153
117

So the least possible value of a+b is 117.
6 0
3 years ago
The Long Term Parking sculpture in South Korea contains 60 cars embedded in concrete. It is 65.6 feet high. How tall is the Long
Daniel [21]
65\frac{6}{1}
4 0
3 years ago
Marcos is doing a card trick using a standard 52-card deck with four suits: hearts, diamonds, spades, and clubs. He shows his fr
qaws [65]

Answer:

3/16 apex

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Pls help me with this i rly do not understand this
gavmur [86]

Answer:

6 times the square root 2

Step-by-step explanation:

Hi there!

Since this is a 45-45-90 triangle, we know the sides are a, a, and a times the square root of two.

Since we can see the 6 is on of the sides that has the 90 degree corner, we know that 6 is our a.

Therefore, we know k is the hypotenuse and is 6 times the square root 2.

Hope this helped, have a great day! ^u^

4 0
3 years ago
192 beads
nirvana33 [79]

Answer:

Step-by-step explanation:

b + n = 192

n = 5b

b + 5b = 192

6b = 192

b = 192/6

b = 32 <==== 5 beads per bracelet

n = 5b

n = 5(32)

n = 160 <==== 160 beads per necklace

8 0
3 years ago
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