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alexandr1967 [171]
3 years ago
5

How many units? What is e value of a?

Mathematics
1 answer:
kkurt [141]3 years ago
6 0

Answer:

a = 14

Step-by-step explanation:

3a = a + 28 ➡ 2a = 28 ➡ a = 14

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Mimo sper 56.24 for a new binder $195 for a notebook, and
viktelen [127]

Answer:

251.24$

Step-by-step explanation:

In order to find the answer to this question you just need to add the total cost together.

What we do know:

B=56.24

NM=195

56.24+195=251.24

=251.24

Hope this helps.

7 0
3 years ago
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The LCM of two numbers is 60. Their GCf is 6 and their difference is 18. What are the two numbers?
Aliun [14]
LCM(x,y)=60\\
GCF(x,y)=6\\
x-y=18\\\\
LCM(x,y)=\dfrac{|x\cdot y|}{GCD(x,y)}\\
60=\dfrac{|x\cdot y|}{6}\\
|x\cdot y|=360\\\\\\
|x\cdot y|=360\\
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|x\cdot y|=360\\
x=18+y\\\\
|(18+y)\cdot y|=360\\
|18y+y^2|=360\\
18y+y^2=360 \vee 18y+y^2=-360\\
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(y+9)^2=441 \vee (y+9)^2=-279\\
y+9=\sqrt{441} \vee y+9=-\sqrt{441}\\
y=21-9 \vee y=-21-9\\
y=12 \vee y=-30\\\\
x-12=18 \vee x-(-30)=18\\
x=30 \vee x=-12\\\\
\boxed{x=30, y=12 \vee x=-12, y=-30}
4 0
3 years ago
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Please help!<br> Please?
yuradex [85]
1. x - y
2. xy
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4. x+y
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3 years ago
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Alecsey [184]

Answer:

(6,2)

Step-by-step explanation:

all steps are shown and pictured

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3 years ago
A=5<br> 4a-6<br> How much would this be?
max2010maxim [7]
The answer to the equation is 14
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