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gulaghasi [49]
3 years ago
8

Please help and show all work.

Mathematics
1 answer:
Stels [109]3 years ago
4 0
1. 73
2.40
3.78
werent too hard
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Please help asap 20 pts
eduard
The discriminant explains how many solutions the quadratic function has. It is found using this formula:

b^2-4ac

Using the formula, there are three rules. Let's say the discriminant=d:
d<0 - No solution ø
d=0 -ONLY 1 solution
d>0 -2 solutions

In the following graph, there are no solutions as the graph does not hit the x-axis at any point. Thereafter, the discriminant MUST be less than zero. Let's view the options check which one agrees with our answer.

A - Discriminant is greater than 0, which means two solutions. This is WRONG.
B - Discriminant is less than 0, which means no solutions. CORRECT!
C- Discriminant is equal to 0, which means one solution. WRONG!

Your answer is B.
7 0
2 years ago
Can somebody help me with this, please?
babunello [35]

Answer:

2/3x

Step-by-step explanation:

This is a simple ax graph. all we need is the slope. the slope is the amount the y goes divided by the amount the x goes. essentially

change in y / change in x

2/3

2/3x

4 0
2 years ago
Read 2 more answers
8 and 4 / 9 divided by 2 and 1 / 9<br><br><br> 10 points<br><br> Please show work
Vinil7 [7]
Dydyeufogofififudugjdid7fogo

7 0
3 years ago
Pls help question is on picture
NikAS [45]

Answer:

25 degrees

Step-by-step explanation:

5 * 5  = 25

6 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP!!
BabaBlast [244]

Answer:

The first term of the sequence is -120.

Step-by-step explanation:

The formula for the "nth" term of a geometric sequence is shown below:

an = a0*r^(n-1)

Where an is the nth term, r is the ratio and n is the position of the term on the sequence. For this problem we want to find what is the initial term, a0, so we will isolate it in the formula as shown below:

a0*r^(n-1) = an

a0 = an/[r^(n-1)]

We then apply the data given to us

a0 = 31.45728/[-0.8^(7-1)]

a0 = 31.45728/[-0.8^6] =31.45728 /-0.262144= -120

The first term of the sequence is -120.

4 0
3 years ago
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