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Marina86 [1]
3 years ago
13

4x + 8y = 16 4x-8y = 0

Mathematics
1 answer:
balandron [24]3 years ago
3 0

Answer:

[2, 1]

Step-by-step explanation:

By the Elimination method, you are left with 8x = 16 because -8 and 8 are what are called Additive Inverses, meaning they result in 0⃣; x = 2, plug 2⃣ back into both equations, and you will see that y = 1, making the solution above.

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Solve: 2(7 – x) = 3(x + 3)
GarryVolchara [31]
If you would like to solve 2 * (7 - x) = 3 * (x + 3), you can do this using the following steps:

2 * (7 - x) = 3 * (x + 3<span>)
</span>2 * 7 - 2 * x = 3 * x + 3 * 3
14 - 2 * x = 3 * x + 9
14 - 9 = 3 * x + 2 * x
5 = 5 * x
x = 1

The correct result would be x = 1.
5 0
3 years ago
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Is 6x² + 5x polynomial
DIA [1.3K]
In general polynomial <span>is an </span>expression<span> consisting of </span>variables<span> (or </span>indeterminates<span>) and </span>coefficients<span>, that involves only the operations of </span>addition<span>, </span>subtraction<span>, </span>multiplication<span>, and non-negative </span>integer exponents<span>. 
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4 0
3 years ago
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The area of a rectangular note card is 35 square inches. The perimeter is 24 inches. What are the
zubka84 [21]

Answer:

5in by 7in

Step-by-step explanation:

2*(l+w)= 24 => l+w= 12

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8 0
3 years ago
Q.8 What is the tail length?
Arlecino [84]
If I'm correct you should make a fraction first
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-----    to    -----
4.8              ?

Now find the missing number
5.4 to 3.6 would be a difference of ÷ 1.5 so you must do the same for 4.8
     
           ÷<span>1.5   </span>
5.4               3.6
-----       to    -----
4.8                3.2
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3 years ago
The quotient of a number and three is six<br> What is the number?
Hoochie [10]

Answer:

the quotient of 18 and 3 is 6

Step-by-step explanation:

do the inverse and get 6x3=18

7 0
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