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2 years ago

14

Find the solution to the system of equation 8x-4y=16 8x+4=16

1 answer:

Yuliya22 [10]2 years ago

3 0

Answer:

1.5 or infinite

Step-by-step explanation:

For the second one, 8x+4=16, suppose x is 1.5 (1 1/2), then 8x1.5 is 12, then 12+4 is 16.

As for the first one, their is infinite possibilities. If x equals 3 and y is 2, then 8x3=24 and 4x2=8, and 24-8=16. Another example is if x equals 4 and y is 4. Then 8x4=32 and 4x4=16, then 32-16=16. And one final example to make sure you understand. X equals 10 and y equals 20. 8x10=80 and 4x16=64, then 80-64=16.

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If f(x)= 3x2- 2x + 3 then find what f(3) is equal to

Anettt [7]

Answer:

Answer is 24

Step-by-step explanation:

$given \: f(x) = 3 {x}^{2} - 2x + 3 \\ to \: find \: f(3) \ : \: ? \\ f(3) = 3( {3}^{2} ) - 2(3) + 3 \\ = 3(9) - 6 +3 \\ = 27 - 3 \\ = 24$

HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION.

5 0

2 years ago

Read 2 more answers

Write an expression that represents the area of the rectangle. Remember A = LW

Iteru [2.4K]

Answer:

b) 9x² - 3x

Step-by-step explanation:

Area of a rectangle = Length × Width

Area for the rectangle = 3x - 1 × 3x

Area = $(3x-1)(3x)$

Step 1. Multiply by combining like terms

3x · 3x = 9x²

Step 2. Multiply -1 by 3x

-1 · 3x = -3x

Step 3. Combine 9x² and -3x

9x² - 3x

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doomdabomb: All brainliest and thanks are appreciated

and would mean a lot to me, thanks!

6 0

2 years ago

Please help me out please

Oxana [17]

In any trapezoid, the area is given by

$A = \dfrac{(B+b)h}{2}$

where B and b are the two bases, and h is the height. You're given all these elements already, so you only need to plug the values in:

$A = \dfrac{(3+11)\cdot 8}{2} = \dfrac{14\cdot 8}{2} = 7\cdot 8 = 56$

7 0

2 years ago

What is 20.9/9.31?<br> No need to explain. Just need the answer

Furkat [3]

2.24489795918
Is the answer

3 0

3 years ago

Read 2 more answers

Can someone help me

dezoksy [38]

b

Step-by-step explanation:

5+5=10

$1.50 +1.50=$3.00

3 0

2 years ago