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Harrizon [31]
2 years ago
8

Which polynomial is in standard form?

Mathematics
1 answer:
Stella [2.4K]2 years ago
3 0
B:
Explanation that equation is the B
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What is 5x+323=23423? Need help solving, and please show steps to finding the answer.
kobusy [5.1K]

Answer:4620

Step-by-step explanation: first you subtract the 323to the other side so you have 23423=5x now divide both sides by 5 and that’s it

8 0
3 years ago
Read 2 more answers
Find the cost of a car if it costs $25000 plus 18% VAT.
larisa [96]

Answer:

The car costs $29,500 after the value tax.  

Step-by-step explanation:

First, put the percentage into decimal form.  Since we are adding on the tax, add an additional 1 into the decimal.  

This is what we will use to multiply with: 1.18.

We know the cost of the car, $25,000 and it's VAT, 18%.

To determine how much it will cost after the added value tax, we multiply $25,000 with 1.18 because it is an additional cost to that car specifically.  

25,000 x 1.18 = 29,500

The car costs $29,500 after the value tax.  

6 0
3 years ago
Which expression is a factor of 3y2 + 144 - 24
kogti [31]

Answer:

3

Step-by-step explanation:

Because it is factor of the expression

8 0
3 years ago
Part 1: What mistake did AJ make in the graph?
grigory [225]

Answer:

Part 1) AJ drawn the parabola opening upwards, instead of drawing it opening downwards

Part 2) see the explanation

Step-by-step explanation:

Part 1) What mistake did AJ make in the graph?

we have

f(x)=-(x+2)^2-1

This is the equation of a vertical parabola written in vertex form

The parabola open downward (because the leading coefficient is negative)

The vertex represent a maximum

The vertex is the point (-2,-1)

therefore

AJ drawn the parabola opening upwards, instead of drawing it opening downwards

Part 2) Evaluate any two x-values (between -5 and 5) into AJ's function. Show your work. How does your work prove that AJ made a mistake in the graph?

take the values x=-4 and x=4

For x=-4

substitute the value of x in the quadratic equation

f(x)=-(-4+2)^2-1\\f(x)=-5

For x=4

substitute the value of x in the quadratic equation

f(x)=-(4+2)^2-1\\f(x)=-37

According to AJ's graph for the value of x=-4 the function should be positive, however it is negative and for the value of x=4 the function should be positive and the function is negative

therefore

AJ made a mistake in the graph

8 0
3 years ago
What is the slope of the line that contains these points?<br> x 31 36 41 46<br> y 10 8 6 4
ankoles [38]

Answer:

-2/5

Step-by-step explanation:

The slope of the line can be found by

m= (y2-y1)/(x2-x1)

  = (8-10)/(36-31)

   = -2/5

4 0
3 years ago
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