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Ad libitum [116K]
3 years ago
15

Angie, a student in an advanced statistics course, was given an algebra test and she scored 80%. Is this an accurate predictor o

f how well students in the algebra class will perform on the test?
Mathematics
1 answer:
Zina [86]3 years ago
8 0

Answer:

No

Step-by-step explanation:

She is a way higher level of math and the math she is in is not algebra. However we can assume that the regular algebra students will do worse as statistics is a lot harder than algebra.

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Danny paid a total of $13.65 for two steaks that weighed 0.65 lb and 0.75 lb.
nevsk [136]

To find the price per pound, simply add 0.65 + 0.75 then divide.

0.65 + 0.75 = 1.40    13.65 / 1.40 = 9.75

Danny paid $9.75 per pound!

6 0
3 years ago
Read 2 more answers
If on the unit circle C, the distance from P(1, 0) to the point T ( 4/5 , 3/5 ) is x, determine the coordinates of the point at
AveGali [126]

Answer:

(\frac{4}{5}, -\frac{3}{5}  )

Step-by-step explanation:

The point P(1,0) and T(\frac{4}{5}, \frac{3}{5}  ) are on the unit circle C and the arc length from P to T is x.

Let us assume that point P - x i.e. the point obtained by moving clock wise direction along the circle from P is T'.

Because of the symmetry of the circle about the coordinate axes, the x-coordinate of point T' will be \frac{4}{5} and the y-coordinate will be -\frac{3}{5}.

So, coordinates of T' are (\frac{4}{5}, -\frac{3}{5}  ).

Here we must notice that point T' is the reflection point of T with respect to X-axis. (Answer)

3 0
3 years ago
What happens when a is greater then 1
musickatia [10]

Answer:

I don't understand the question?

8 0
3 years ago
There are 4 different methods you could use to solve a quadratic equation that would depending upon the actual equation. They ar
lana66690 [7]

Answer:

Part A: x^2 + 6x + 8 = 0 use the factoring the equation method

Part A: x^2 + 6x + 8 = 0 use the quadratic formula

Step-by-step explanation:

Part A;

The equation is  x^2 + 6x + 8 = 0 , looking at this quadratic expression, you notice it is written in a quadratic equation standard form  of ax^2+bx+c=0. Additionally, you notice that can find what multiplied to get the quadratic equation,factor.You can identify two numbers that multiply to get ac and add to give b.In this question;

a=1,b=6,c=8

ac=8

The numbers are 4 and 2. Factoring the equation method will give;

x²+6x+8=0

x²+4x+2x+8=0

x(x+4)+2(x+4)=0

(x+2)+(x+4)=x²+6x+8

x+2=0, x=-2  and x+4=0, x=-4

Part B

The quadratic equation is ;

x²+6x-11=0

You notice that there are no factors that multiply direct to get the quadratic equation like in part 1. When you observe, a=1, b=6 and c=-11

ac=1×-11=-11 and b=6 .You notice there are no factors that multiply to give -11 and add to get 6, hence the factorizing the equation method can not be used.However, you can apply the quadratic formula that requires coefficients. You have a=1, b=c and c=-11 as the coefficients to use in the quadratic formula.

8 0
3 years ago
Read 2 more answers
John is making a recipe that call for 1/4 cup of flour for every 1/2 cup of water. How much water will he need if he uses 1 1/2
irakobra [83]
He will need 3 cups of water because 1/4 goes into 1 1/2 six times then you multiply the 1/2 for water by that number
7 0
3 years ago
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