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Lina20 [59]
3 years ago
12

3х – Зу = 15 Determine if the given ordered pair, (5,4) satisfies the given equation

Mathematics
1 answer:
galina1969 [7]3 years ago
6 0

Answer:

it does not.

Step-by-step explanation:

3(5)-3(4)=15

15-12=15

3=15

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Deijah gave Isaiah $6.25 in nickels and quarters. If 12 coins were quarters, how many coins were nickels? Which equation models
dem82 [27]
Deijah has $6.25. 

Now, this 6.25 is comprised of 0.05s and 0.25s. 
We know that there are 12 0.25s.

We now want to know how many remaining 0.05s there are.

Again, we know that the number of 0.05s he has, which is 12, multiplied by 0.05, plus the number of 0.25s he has, multiplied by 0.25, equals 6.25.

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4 0
3 years ago
WILL GIVE BRAINLIEST<br>Divide by using long division<br><br>(8x^3 + 6x^2 + 7) ÷ (x + 2)
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Answer:

3.4    Polynomial Long Division

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                             ("Dividend")

By         :    x-2    ("Divisor")

dividend     8x3  -  6x2  -  23x  +  6  

- divisor  * 8x2     8x3  -  16x2          

remainder         10x2  -  23x  +  6  

- divisor  * 10x1         10x2  -  20x      

remainder          -  3x  +  6  

- divisor  * -3x0          -  3x  +  6  

remainder                0

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Step-by-step explanation:

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7 0
3 years ago
A polygon has an interior angle sum of 9000. How many sides does it have
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Answer:

52

Step-by-step explanation:

The sum of the interior angles of a polygon is

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Here the sum = 9000°, thus

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7 0
3 years ago
4/3(6y+21)-17&gt;43 help pls
dezoksy [38]

Answer:

Step-by-step explanation:

4/3(6y+21)-17=43

move all terms to the left:

4/3(6y+21)-17-(43)=0

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y∈R

We add all the numbers together, and all the variables

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What’s the answer to this probable
Radda [10]

Answer:

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2. The probability of tails is 1/2

3. multiply the expressions 1/2 x 3/8 = 3/16

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3 years ago
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