Help ME PLEASE> IF YOU SOLVE THIS I WILL GIVE YOU BRAINLIEST AND 20 points!

Help ME PLEASE> IF YOU SOLVE THIS I WILL GIVE YOU BRAINLIEST AND 20 Points!

Answers

Answer 1
0.25x² + 8.5 - 17 = 0

1)
a = 0.25
b = 8.5
c = -17


2)

- 8.5 ± √(8.5)²-4(0.25) (-17)
------------------------------------------
2(0.25)



3)

-34 ± √1428
----------------------
2


4)

-35.894 and 35.894

Related Questions

Alana transformed Figure 1 to Figure 2 as shown below. Which statement accurately describes Alana's transformation?
A
Figure 2 is the image of Figure 1 after a rotation, a reflection, and a translation.

B
Figure 1 and Figure 2 are similar.

C
Figure 2 is congruent to Figure 1.

D
Figure 2 is congruent to a dilation of Figure 1 with a scale factor of 3.

Answers

Answer:

Figure 1 and Figure 2 are similar

Step-by-step explanation:

Answer: A

Step-by-step explanation: Figure 2 is the image of Figure 1 after a rotation, a reflection, and a translation.

A store pork sold at 7.26 for 2 pounds and chicken sold at 6.65 for 5 pounds , which has a higher unit price

Answers

Answer:

the pork has a greater unit rate of $3.63

Step-by-step explanation:

You divide each number so that you denominator is one because it is a unit rate.

alexa's friends got her a skydiving lesson for her birthday.

Answers

That’s a pretty sweet gift.

Answer:

ok and what's the question? (*゜ー゜*)

Step-by-step explanation:

Identify the population and the sample in the situation below:

The coach wants to know which uniform the soccer team wants to wear, but he only asks the starting eleven players.

Question 1 options:

Population: soccer team, Sample: starting eleven player


Population: the starting eleven, Sample: soccer team


Population: the coach, Sample: soccer team


Population: soccer team, Sample: uniforms

Answers

Answer:

your answer is, A Population: soccer team, Sample: starting eleven player.

Step-by-step explanation:

I just took the test.

The population and the sample in the situation below is a Soccer team and starting eleven players respectively.

What is sample space?

The sample space S of a random experiment is defined as the set of all possible outcomes of an experiment. In a random experiment, the outcomes, also known as sample points, are mutually exclusive.

Given, The coach wants to know which uniform the soccer team wants to wear, but he only asks the starting eleven players.

Since A population is an entire group that you want to draw conclusions about. A sample is a specific group that you will collect data from. The size of the sample is always less than the total size of the population.

and The sample space S of a random experiment is defined as the set of all possible outcomes of an experiment.

Thus in our case,

Population: soccer team

Sample: starting eleven players

Learn more about sample space here:

brainly.com/question/30206035

#SPJ3

3(x – 2) – 2x + 3 = -12

Answers

x = 9 sorry if x isnt what youre looking for

25 points I need help will mark brainliest

Answers

Answer:

w=840/24

Step-by-step explanation:

pls mark me as brainlist

Answer:

you can mark them brainliest, now c:

Step-by-step explanation:

3/8 + 2/5 in simplest form

Answers

Answer:

31/40 Hope this helps!

Step-by-step explanation:

Answer:

The answer for this question is 31/40

Yesterday, Tran charged 70$ to babysit for 5 hours. If Tram charges a constant fee per hour when she babysits, which statements are correct


A. Tram charges $140 when she babysits 10 hours.

B. Tram charges $1.25 when she babysits for 9 hours.

C. Tram charges $56 when she babysits for 8 hours

D. Tram charges 20$ when she babysits for 4 hours.

E. Tram charges $14 per hour that she babysits.

D. Tram charges 7$ per hour that she babysits.

Answers

Answers:
A) Tran charges $140 when she babysits 10 hours

E) Tran charges $14 per hour that she babysits.

reasoning:

$70 divided by 5 hours to get how much she gets paid by the hour. 70 divided by 5 = $14; she charges $14/ hour. $14 times 10 hours = $140. these two statements are correct.

Answer:

A & E

Step-by-step explanation:

divide 70 by 5.

you get 14. meaning she charges $14 per hour

14 x 10 gives you 140.

Pls answer:

6×2-(2-6)²​

Answers

Answer:

the answer is -4

Step-by-step explanation:

if u want step by step i can give it to u

MathWiz wya? I need some help with this...show your work <3

Answers

Answer:

1) -15+8i

2) x^2+2x-5

Step-by-step explanation:

1) apply perfect square formula

(4i)^2+2*4i1+1^2

then simplify

2)remove parentheses

x+1+(x-2)(x+3)

expand (x-2)(x+3)

x+1+x^2+x-6

simplify x+1+x^2-6 = x^2+2x-5

Each students in grade four was given 20 raffle tickets to sell to raise funds for their school. The price of each ticket is $1.50. If Olivia sold all her tickets how much money did she raise for her school? If there are 30 students in grade four and they sold all of their tickets how much money was raised altogether?

Answers

Answer: Olivia raised $30 alone and the class raised $900 all together

Jabari wants to save $66. He earns
$9 every week, walking his
neighbor's dog for 2 hours. He
saves all of his money. How many
weeks will it take him to save $66?

Answers

Answer:

n = 7 1/3 weeks

Step-by-step explanation:

Amount Jabari wants to save = $66

Amount he earns per week = $9

Hours worked per week = 2 hours

How many weeks will it take him to save $66?

Let

n = number of weeks will it take him to save $66

66 = 9n

n = 66/9

n = 7 3/9

n = 7 1/3 weeks

Or

n = 7.33 weeks

5. How many times smaller is the
value of 0.486 compared to 48.6?

Answers

It is 100 times smaller or 0.486 is 1/100th of 48.6

Answer:

100 times smaller

Step-by-step explanation

48.6 / 0.486 = 100

kayla picks 8 pounds of apples. What is the weight of kayla's apples in ounces?​

Answers

Answer:

128

Step-by-step explanation:

Find the percentage of change, your baby sisyer grows from 29 inches to 49. Round to the nearest tenth​

Answers

49-29=20 but you need a percent so you move the decimal twice to the left which is .2%

Christopher has a part-time job that pays $2,900 for the year. During the year 24% is taken out for Federal Taxes. At the end of the year when taxes are calculated, Christopher discovers that only 18% needed to be paid in taxes. How much of a refund will Christopher receive?
asap plssssssssssssssssss

Answers

Answer:

$164 refund

Step-by-step explanation:

2900 x .24= $686 withheld

2900 x .18= $522 actually owed

686-522= $164

A space shuttle took off and reached an altitude of 8,700 miles in 30 minutes. How many miles per minute, on average, did the space shuttle climb? Show your work.

Answers

The space shuttle climbed on average 290 miles per minute

I NEED HELP LOOK AT PICTURE PLS!! THX A MILLION !

Answers

Answer:

I think it is 5 lb and 1 oz

(a+6)(a-?)=a^2+?a-12

HELP ASAP
(^2 means squared)

Answers

Answer:

(a+6)(a-2)=a^2-4a-12

Step-by-step explanation:

Can someone please help me?

Answers

Answer:

add x

Step-by-step explanation:

1)sx*tx

2)sx+tx

3)s-t

CAN SOMEONE HELP ME WITH THIS?

Answers

Answer:

The answer is 938. ;}

Step-by-step explanation:

Answer:

The answer is 938

Step-by-step explanation:

i hope it Helped!! <3

HELP PLEASE DUE IN 3 MINUTES

Answers

Answer:

C.37

Step-by-step explanation:

A small plane is flying northeast at a speed of 200 mph. A wind blows due west at 28 mph. Find the resultant speed and direction of the plane.

Answers

Answer:

The resultant speed = 181.3 mph

The final direction = 38.7° northeast.

Step-by-step explanation:

We need to find the component in the x-direction and in the y-direction of the speed:

For the plane:

[tex] v_{p_{x}} = 200cos(45) = 141.42 [/tex]

[tex] v_{p_{y}} = 200sin(45) = 141.42 [/tex]

For the wind we have:

[tex] v_{w_{x}} = -28 [/tex]

[tex] v_{w_{y}} = 0 [/tex]

Now, the total speed in the x-direction and  in the y-direction is:

[tex] V_{x} = v_{p_{x}} + v_{w_{x}} = 141.42 - 28 = 113.42 [/tex]

[tex] V_{y} = v_{p_{y}} + v_{w_{y}} = 141.42 [/tex]

Hence, the resultant speed is:

[tex] V = \sqrt{V_{x}^{2} + V_{y}^{2}} = \sqrt{(113.42)^{2} + (141.42)^{2}} = 181.3 mph [/tex]

Finally, the direction of the plane is:

[tex] tan(\theta) = \frac{V_{y}}{V_{x}} = \frac{141.42}{113.42} = 1.25 [/tex]

[tex] \theta = 51.3 ^{\circ} [/tex]

[tex] \theta = 90 - 51.3 = 38.7 ^{\circ} [/tex]

The plane is moving at 38.7° northeast.

I hope it helps you!

In ⊙E, what is AC?
in need of answers

Answers

Answer:

d

Step-by-step explanation:

i looked up the answers

The length of AC is 6.4 unit.

The correct option is C.

We have the figure from which we can say that

BD is the diameter which is

= 4.8 + 1.6

= 6.4 unit long.

Now, AC is the chord.

As, the distance between the two opposite point the the surface of circle would be same.

Then, the length of AC = length of BD

Thus, the length of AC is 6.4 unit.

Learn more about Circle here:

https://brainly.com/question/29142813

#SPJ2

An escalator in a department store carries people a vertical distance of 14 feet between floors. How
long is the escalator if it makes an angle of 30° with the ground?

Feet : ____

Answers

The escalator -- or hypotenuse-- is
40
feet long

Hope this helps!!!

The temperature fell by 4 degrees Fahrenheit today. Write a signed number to represent this temperature change

Answers

Answer:

-4

Step-by-step explanation:

?

To the nearest​ millimeter, a cell phone is 105 mm long and 69 mm wide What is the ratio of the width to the​ length?

Answers

Answer:

69

Step-by-step explanation:

width = about 69% of the length

Find the perimeter of the
polygon if ZB = ZD.
5 cm
B
6 cm
D
7 cm

Answers

Answer:

6cm

Step-by-step explanation: hey u yea u ur kinda sus ngl

Answer: 48

Step-by-step explanation:

yes

Please help, I WILL MARK YOU BRAINLIEST IF U GET IT RIGHT AND GIVE A THANKS IVE BEEN STUCK ON THIS FOR A WHILE PLEASE :(

Answers

Answer:

y=-1/6x

Step-by-step explanation:

To find the answer you can just look at 2 points on the graph and whichever one comes first is (y1,x1) and the next pair is (y2,x2). So to find it we can use (0,0) automatically because the line is crossing through it. We can also use (600,-100) as the second point becasue it is the next farthest away and when we plug the numbers into the slope equation(y2-y1/x2-x1) we get -100-0/600-0 which when simplified is -100/600 or -1/6 so that would be the m in slope-intercept form (y=mx+b) and when you get everything you can find the equation y=-1/6x

Hope this helped!

y=-1/5x is the correct answer using the explanation above

Find the distance between each pair of points. You may want to plot the points. (2 pts each) (2, 3), (7, 3) (-2, 5), (-2, -3) (-8, 5), (-2, 5) (-9, 1), (6, 1)

Answers

Answer:

(1) First pair; (2, 3), (7, 3), d₁ = 5

(2) Second pair; (-2, 5), (-2, -3), d₂ = 8

(3) Third pair; (-8, 5), (-2, 5), d = 6

(4) Fourth pair; (-9, 1), (6, 1), d₄ = 15

Step-by-step explanation:

Given pair of points;

(1)  (2, 3), (7, 3)

(2) (-2, 5), (-2, -3)

(3) (-8, 5), (-2, 5)

(4) ) (-9, 1), (6, 1)

The distance between each pair of points is calculated as follows;

[tex]d = \sqrt{(y_2-y_1)^2 + (x_2-x_1)^2}[/tex]

(1) first pair; (2, 3), (7, 3)

[tex]d_1 = \sqrt{(3-3)^2 + (7-2)^2} \\\\d_1 = 5[/tex]

(2) second pair; (-2, 5), (-2, -3)

[tex]d_2 = \sqrt{(-3-5)^2 + (-2-(-2))^2}\\\\d_2 = \sqrt{(-3-5)^2 + (-2+2)^2} \\\\d_2 = 8[/tex]

(3) Third pair; (-8, 5), (-2, 5)

[tex]d_3 = \sqrt{(5-5)^2 + (-2-(-8))^2}\\\\d_3 = \sqrt{(5-5)^2 + (-2+8)^2} \\\\d_3 = 6[/tex]

(4) Fourth pair; (-9, 1), (6, 1)

[tex]d_4 = \sqrt{(1-1)^2 + (6-(-9))^2}\\\\d_4 = \sqrt{(1-1)^2 + (6+9)^2} \\\\d_4 = 15[/tex]

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