consider the quadratic equation x^2 + 8x + k = 0 where k is a constant​

Answers

Answer 1

Answer:

K = 16

Step-by-step explanation:


Related Questions

Help me please quick

Answers

Answer:

[tex]slope = \frac{rise}{run} [/tex]

The slope is 3

Yep thts your answer

Two fair dice are rolled. Determine the following probability
P(one number is a multiple of 3 and the other is a multiple of 5)
The probability that one number is a multiple of 3 and the other is a multiple of 5 is

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Write sin 53° in terms of cosine.

Answers

Answer:

cos(37°)

Step-by-step explanation:

sin(53°) = cos(90° - 53°)

sin(53°) = cos(37°)

Some values of the linear function f are given in the table shown. What is the value of f(100)?

Answers

Answer:

f(100) = 160.

Step-by-step explanation:

Linear function:

The equation of a linear function has the following format:

[tex]y = mx + b[/tex]

In which m is the slope(how much f(x) changes when x changes by 1) and b is the y-intercept(value of f(x) when x = 0).

Finding the slope:

Suppose we have two points. The slope is the change in the output divided by the change in the input.

In this question, we have points (45,50) and (60,80).

Change in the output: 80 - 50 = 30

Change in the slope: 60 - 45 = 15

Slope: 30/15 = 2

So

[tex]y = 2x + b[/tex]

Point (45,50)

This means that when [tex]x = 45, y = 50[/tex]. We use this to find the value of b.

[tex]y = 2x + b[/tex]

[tex]50 = 2(45) + b[/tex]

[tex]b = -40[/tex]

So

[tex]y = 2x - 40[/tex]

With y = f(x)

What is the value of f(100)?

This is y when x = 100. So

[tex]f(100) = 2(100) - 40 = 200 - 40 = 160[/tex]

f(100) = 160.

it is 8:00 p.m. in canberra australia what time it is in philippines?​

Answers

Answer:

6:00 P.M.

Step-by-step explanation:

Hi I’m a tutor ask me if you need help

Answers

Answer:

are you realy a tutor?

Step-by-step explanation:

An airplane over the Pacific Ocean sights an atoll at an 7° angle of depression. If the
plane is 704 m above the water, how many kilometers is it from a point 704 m
directly above the atoll?
1) 807.85 km
2) 5733.62 km
3) 5.73 km
4) 86.44 km

Answers

I believe the answer is 5.73

A data set is made up of these values.
3, 3, 4, 5, 6, 7, 10
Find the interquartile range.
A. 3 - 3 = 0
B. 10 - 7 = 3
C. 7 - 3 = 4
D. 10 - 3 = 7

Answers

Answer:

C. 7 - 3 = 4

Step-by-step explanation:

Given

[tex]Dataset: 3, 3, 4, 5, 6, 7, 10[/tex]

Required

The IQR

The IQR is calculated using:

[tex]IQR = Q_3 - Q_1[/tex]

Where:

[tex]Q_3 \to[/tex] Median of the upper [tex]half[/tex]

[tex]Q_1 \to[/tex] Median of the lower [tex]half[/tex]

The dataset has 7 values, so the median is: (7 + 1)/2 =8/2 = 4th position.

Split to two, we have:

[tex]Lower \to 3, 3, 4[/tex]

[tex]Median \to 5[/tex]

[tex]Upper \to 6, 7, 10[/tex]

The lower half has 3 data; So, the median is the 2nd position.

Hence:

[tex]Q_1 = 3[/tex]

The upper half has 3 data; So, the median is the 2nd position.

Hence:

[tex]Q_3 = 7[/tex]

So, the IQR is:

[tex]IQR = Q_3 - Q_1[/tex]

[tex]IQR = 7 - 3[/tex]

[tex]IQR = 4[/tex]

HELP IM STRUGGLING I DONT WANNA FAIL THIS SCHOOL YEAR

Answers

Answer:

507 cubic m

Step-by-step explanation:

V = l · w · h

V = 13 × 13 × 3

V = 507

Question 11
A card game is being played and the 5 of spades and 10 of clubs are drawn. In order to win the
hand, the next card must be higher than the highest card already on the table. Assuming the
game is played with a single deck, what is the chance that the next card drawn will win the
hand? (An ace has a value of 1.)
A.3%
B.12%
I
C.24%
D.25%

Answers

Answer:

24%

Step-by-step explanation:

trust me and get blessed

The probability of drawing a card that could win the hand and actually winning the hand is 12%.

Option B is the correct answer.

What is probability?

It is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

Example:

The probability of getting a head in tossing a coin.

P(H) = 1/2

We have,

There are 50 cards left in the deck after the 5 of spades and 10 of clubs are drawn since there are 4 suits with 13 cards each, and 2 of those cards have already been drawn.

Out of the remaining 50 cards, there are 16 cards that could win the hand: the 9 remaining cards higher than the 10 of clubs in any suit, and the 6 remaining cards in the spade suit (since the 5 of spades is already on the table).

Therefore, the probability of drawing a card that could win the hand is 16/50, which simplifies to 8/25. This is approximately 0.32 or 32%.

However, we need to subtract the probability of drawing the 5 of clubs, 10 of spades, or any of the 8 remaining cards that would not win the hand.

The probability of drawing one of these cards is 10/50, which simplifies to 1/5 or 20%.

The probability of drawing a card that could win the hand and actually winning the hand is:

(16/50) x (1/5)

= 0.32 - 0.2

= 0.12 or 12%.

Thus,

The probability of drawing a card that could win the hand and actually winning the hand is 12%.

Learn more about probability here:

https://brainly.com/question/14099682

#SPJ2

On Marlene's trip to Starved Rock, her average rate of speed for the entire five-hour trip was 62 miles per hour. For the first two hours of her trip, she kept her average speed at 50 miles per hour. Then she realized she was going to be late to meet her friend for dinner, so she started driving faster. What was her average speed for the last three hours of the trip?

Answers

Answer:

70 miles per hour

Step-by-step explanation:

Distance = speed * time

speed = distance / time

------------------------------

Total Distance

speed = 62

time = 5

62 * 5 = 310 miles

Distance travelled in first 2 hours

speed = 50

time = 2

50 * 2 = 100 miles

Remaining distance

310 - 100 = 210 miles

Speed to cover 210 miles in 3 hours

distance = 210

time = 3

210/3 = 70 miles per hour

Write and solve using a proportion to find the missing length

Answers

Answer:

n = 2.6

Step-by-step explanation:

6.5 : 5

n : 2

6.5/5 = 1.3

2 x 1.3 = 2.6

n = 2.6

i hope this helps

Raid this zoom ASAP
ID:756 537 0556
PASS: fP8TRU

Answers

Answer:

uhm ok-?

Step-by-step explanation:

Step-by-step explanation:

no not interested

anyoneknowsthishelppls

Answers

Answer:

c

Step-by-step explanation:

A triangle has height 4ft and an area 64ft square What is the length of its base?

Answers

Answer:the answer is 60

Step-by-step explanation:

The question is “what is the length” so what I think we are supposed to do is to add since the height is 4 and the area is 64 so the length has to be 6

Hope I helped

a point
Find the equation of a line when given the slope and a point on the line.
Question:
What is the equation of the line that has a slope of -7 and passes through the point (4,8)?
A
+ 7y = 60
B
7x + y = 36
С
2 - 7y = -52
D
72- y = 20

Answers

Answer:

7x + y =36

Step-by-step explanation:

( y- y1) = m(x - x1)

y - 8 = -7( x - 4)

y- 8 =-7x +28

y = -7x +36

7x + y =36

Solve for n: 8n = 56

n=1/7

n = 7

n = 48

n = 64

n= 448

Answers

Answer:

The answer is number 7

Step-by-step explanation:

56÷8=7

n= 7

N=1/7
You divide by 56

Gretchen measured the length of her toaster, to the nearest half inch to be 9 inches. Steve measured the toaster to the nearest quarter inch and found it measured 9 1/4 inches. Who used a more precise measurement?

Answers

Steve
Hope this helps :D

HELP jimthompson5910

Answers

Answer:

2 pounds= $3.00

5 pounds= $7.50

8 pounds= $12.00

1. The drama club sells 200 pounds of fruit to raise money. The fruit is sold in
5-pound bags and 10-pound bags,
a. Write an equation to find the number of
each type of bag that the club should sell
.

Answers

I got the wrong answer. I don't want to keep this up just in case anyone needs the answer to this question again. But I can't delete my answer so I'll just leave this. Have a nice day tho. Sorry about that :(

What is the probability that a randomly chosen student is a boy that prefers comedy movies?
I NEED HELPPO ASAP

Answers

The Correct answer is d I think




Expiation I don’t got one

Answer:

12/35

Step-by-step explanation:

i don’t know the decimal but you can figure that out quickly


The electrical current, in amperes, in a circuit varies directly as the voltage. When 15 volts are applied,
the current is 5 amperes. What is the current when 57 volts are applied?

Answers

Answer

The electrical current, in amperes, in a circuit varies directly as the voltage when 15 volts are applied, the current is 5 amperes-by-step explanation:

What is the value of x?

Answers

Answer:

98 degrees

Step-by-step explanation:

first find angle G

53 + 45 + G = 180

subtract 45 and 53 from both sides

G = 82

angle g is supplementary (add up to 180) to x

x +82 = 180

subtract 82 from both sides

x = 98

Answer:

x = 98°

Step-by-step explanation:

There are 180° in a triangle, and 180° on a line.

180° - 53° - 45° = 82°

180° - 82° = 98°

ANSWER ASAP DONT SEND A FILE WHATS THE TRANSFORMATION??

Answers

Answer:

2nd one.

Step-by-step explanation:

What is the equivalent radian measure of 600?​

Answers

Answer:

[tex] = \frac{ \theta}{180} \times \pi \\ = \frac{600}{180} \times \pi \\ = \frac{10}{3} \pi[/tex]

Select the correct answer. The function g(x) = x2 is transformed to obtain function h: h(x) = g(x) + 1. Which statement describes how the graph of h is different from the graph of g? A. The graph of h is the graph of g horizontally shifted left 1 unit. B. The graph of h is the graph of g vertically shifted down 1 unit. C. The graph of h is the graph of g vertically shifted up 1 unit. D. The graph of h is the graph of g horizontally shifted right 1 unit.

Answers

Answer:

your answer should be, B

I don’t know what I’m doing

Answers

Answer:

lol

Step-by-step explanation:

Please please give the answer fast

Answers

Answer:

169

Step-by-step explanation:

27 + 22 + 98 + 22 = 169

Find the 30th term of the following sequence. 1, 7, 13, 19, ...

Answers

Answer:

175

Step-by-step explanation:

a30 = a1 + f × (n-1)

f= difference between numbers

what percent of the population has an IQ score between 115 and 130?

Answers

Answer:

68% of the individuals in the population have an IQ between 85 and 115.  95% of the population has IQ scores between 70 and 130. 99.7% of the population has IQ scores between 55 and 145.

Step-by-step explanation:

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