2 years ago

What is the y intercept of the graph y= -2x^2 -4x-3

Mathematics

1 answer:

Kitty [74]2 years ago

4 0

the answer for this question is -3

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Question 6 (5 points)

andrew-mc [135]

Answer:

2/3

Step-by-step explanation:

if max runs 2 hours she will have 3 because 1 hour 30 times 2 is 3 hours

8 0

2 years ago

I have no idea what this is. <br><br> g(-9)

vladimir2022 [97]

They are asking for the y coordinate of the g I guess
If that is the case, the answer is 1

3 0

2 years ago

Rose and chi are training for a bike race if They both start the park gate and Rosa starts at 4 PM and chi starts at 4:30 PM Ros

Drupady [299]

Answer:

yes at 6pm

Step-by-step explanation:

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2 years ago

If you flip a fair coin 7 times, what is the probability that you will get exactly 4 tails?

andre [41]

Probability that you will get exactly 4 tails, if you flip a fair coin 7 times is: $\frac{35}{128}$

Step-by-step explanation:

We need to find the probability that you will get exactly 4 tails, if you flip a fair coin 7 times.

This is the combination question.

The total combinations will be: 2^7=128

Now, finding number of ways we can get exactly 4 tiles:

We will use the formula:

$^nC_k=\frac{n!}{k!(n-k)!}$

in our given question, n= 7, k= 4

Putting values:

$^nC_k=\frac{n!}{k!(n-k)!}\\^7C_4=\frac{7!}{4!*3!}\\ ^7C_4=\frac{7*6*5*4!}{4!*3!}\\ ^7C_4=\frac{7*6*5}{6}\\ ^7C_4=35$

So, Probability that you will get exactly 4 tails, if you flip a fair coin 7 times is: $\frac{35}{128}$

Keywords: Probability

Learn more about Probability at:

#learnwithBrainly

7 0

2 years ago

A seamstress has 1/4 of a foot of thread. Then she uses 1/5 of a foot of thread to sew a hole. How much of the thread is left?

Ilya [14]

Answer is <span>C) 1/20 of a foot

1/4 -1/5
= 5/20 - 4/20
=1/20</span>

3 0

2 years ago