Mathematics College

Nathaniel is using the quadratic formula to solve 0 = x2 + 5x - 6. His steps are shown below.
What are the solutions to the attached equation?

Answers

Answer 1

Answer:

x = -6, 1

Step-by-step explanation:

x=[tex]\frac{-5+\sqrt{49} }{2}[/tex] or x= [tex]\frac{-5-\sqrt{49} }{2}[/tex]

x=[tex]\frac{-5+7}{2}[/tex] or x=[tex]\frac{-5-7}{2}[/tex]

x=2/2 or x=-12/2

x = 1, -6

Answer 2

howdy!!

yr answer is B. x = -6, 1

goodluck on edge!! ^_^

Related Questions

Put this numbers from least to greatest.

A: 3.2, 0.67, 9, 1.78, 0.651.

please please please please please PLEASE please please please please please please please please please please help me.

Answers

Answer:

0.651, 0.67, 1.79, 3.2, and 9

Step-by-step explanation:

Answer:

0.651. ,0.67 ,1.78 ,3.2 ,9

Step-by-step explanation:

well if your confused on 0.651 and 0.67 i personally may go for the first two unless if the questions longer

1) What kind of mindset do you have when it comes to Math?
Explain.
Please help i dont Know how to answer it

Answers

Answer:

A mindset is kind of like a mood. They are asking you what kind of mood or how you feel when it comes to math.

Step-by-step explanation:

Example | Fixed Mindset: I'm jealous of other people's success. Growth Mindset: I am inspired by other people's success.

3. Solve y = 2(x - 3) when:
a. X = 4
b. y = 8

Answers

Answer:

Hello!

Ok so first you plug in y as 8 and x as 4. You first do the math in the parentheses so 4-3 is 1, then 1 times 2 is 2. It should be like this 8=2. Then you do 8 divided by 2 which is 4.

Step-by-step explanation:

3a. The answer is y=3
3b. The answer is x=7

40 POINTS !! 40 POINTS !!

PLEASE HELP , DONT SKIP !

NO LINKS OR FILES.

Answers

Answer:

36?

Step-by-step explanation:

split in two, triangle 6x6=36/2=18, rectangle 6x3=18, whole 18+18=36 your answer is 36

Answer:

it's 36 square feet

Step-by-step explanation:

Help Plis ...............

Answers

Answer:

it is positive 3/4

Step-by-step explanation:

it is the opposite of -3/4

Answer:

it would be a positive 3/4

The mean grade in Mathematics of Grade 11 students from school A is 83 with standard deviation of 4, while the mean grade in Mathematics of Grade 11 students from school B is 87 with standard deviation of 5. Using 49 samples from school A and 64 from school B, what is the probability that the mean grade of students from school B exceeds the mean grade of students from school A by at least 3 but less than 5?

Answers

Using the context surrounding the word trough in line 9 of "Concrete Mixers," explain what a trough looks like and what it does on a concrete mixer. .

sorry I can't delete it this not answer your question

Joe's math homework took 20 minutes to complete. If Joe finished his homework at 8:40 P.M., what time did he start his homework?

Answers

He started at 8:20 PM

he started at 8:20pm

PLEASE HELP! IM LIKE STUCK AND I NEED HELP! YOU'LL GET 50 POINTS !!!!

Answers

I got it hold up I will use my app

Answer:

5m + 9n + 46

Step-by-step explanation:

5m +10 +9n +36

(i did that by distributing from parenthesis)

5m + 9n + 46

(i just simplified by adding 10 and 36)

meteroloogist track severe stoms using Doppler radar. A polar grid is used to measure distances as the storms progress. If the center of the radar screen is the origin and each ring is 10 miles farther from the center, what is the equation of the fourth ring

Answers

Answer:

[tex]$(x-h)^2+(y-k)^2= (r+ 40 )^2$[/tex]

Step-by-step explanation:

It is given that a meteorologist is using a Doppler radar to find out the distance of the storm as it passes using a polar grid.

The origin of the radar screen is its center.

And the distance between each ring is 10 miles from the center.

So let :

r = radius

h and k = be the coordinates of the center.

So the equation of a circle is :

[tex]$(x-h)^2+(y-k)^2= r^2 $[/tex]

Now the equation of the fourth circle when the radius changes by 10 miles is :

[tex]$(x-h)^2+(y-k)^2= (r+ 40 )^2$[/tex]

does anyone know the answer and how to show your work

Answers

Answer: (A)-2, -1

(b) 3,0

Step-by-step explanation:

So you just go and write the place and which ever one isnt there then theres you answer. I THINK

Write the inequality for the description. Use x as your variable.
Mary has at least 14 pairs of shoes in her closet.

Answers

Answer:

x≤14

Step-by-step explanation:

≤ = greater than/equal to(at least)

Given x3/4 find a and b when changing to radical form a (square root) b

Answers

Answer:

0.9644

Step-by-step explanation:

If you draw a triangle with angles that measure 95 degrees and 40 degrees, what will be the measure of the third angle?

Answers

Answer: 45°

Step-by-step explanation: All the angles of a triangle have to equal 180.

95 + 40 + x = 180

135 + x = 180

180-135 = 45.

The measure of two angles would be 35 and 45

This figure was broken into a triangle and a parallelogram as shown. Use the figures to complete the statements. The height of the triangle his in. The area of the triangle is vin.? The area of the parallelogram is in. 2 ? The area of the irregular figure is in. 2. ? h 22 in. 8 in. 10 in. Nin. 8 in. 8 in.

Answers

Answer: Use the figures to complete the statements.

The height of the triangle h is

✔ 12

in.

The area of the triangle is

✔ 48

in.2.

The area of the parallelogram is

✔ 80

in.2.

The area of the irregular figure is

✔ 128

in.2.

Step-by-step explanation: I js now got it right by the power of guessing

Two hundred sixty students were surveyed on whether they prefer apple juice or orange juice. A table of relative frequencies is shown. How many more girls prefer apple juice than boys?

Answers

this is a hard question because usually boys prefer apple juice

Answer:

Step-by-step explanation:

15. The cost of an article including 15% for taxes is
$138.00. What is the cost of the article without
taxes?

Answers

Answer:

$120

Step-by-step explanation:

Set the cost of the article pre-tax as x.

x + 0.15x = 138

1.15x = 138

x = 138/1.15

x = $120

Answer: the cost of the article without taxes is $120.

The required cost of the article without taxes is $120.

How to calculate unit price of something?

Unit means 'single entity', the fundamental constructing block. Usually, it is 1 in mathematics and science.

Thus, unit price of something is price of 1 thing.

Thus, suppose we're taking about price of mangoes, then unit price will denote the price of 1 mango.

We have been given the cost of an article including 15% for taxes is $138.00.

Lets Set the cost of the article pre-tax as x.

x + 0.15x = 138

1.15x = 138

x = 138/1.15

x = $120

Therefore, the cost of an article including 15% for taxes is $138.00. the cost of the article without taxes is $120.

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y=(x/8+w) solve for w

Answers

the answer is w=-x/8+y

HELP ASAP!!! A spinner has three sections colored green, purple, and pink. If the spinner is spun twice, how many branches would the tree diagram that represents this situation have? 6 5 9 12

Answers

Answer:

The answer is 9.

Answer:

The answer is 9

Step-by-step explanation:

I got it right on the quiz

Need the answer to x and y !

Answers

x = 2 y = 7

Step-by-step explanation:

the explan at the pic

A thermos held 2,500 milliliters of water. How many liters of water did it hold? A 250.0 liters B 25.0 liters C 0.25 liters D 2.5 liters

Answers

Answer:

2.5 liters

Step-by-step explanation:

True or False
You can only multiply exponents when the bases are the same.

Answers

Answer:

The answer is false

Answer:

False

Step-by-step explanation:

Classify the triangle as acute, obtuse, or right based on the given side
lengths. *
3,4,6
Acute
Obtuse
Right

Answers

Acute is the kind of angle

The average weight of 3 books is
3/gm, one book weighs 3'/«gm
and the second 5/2gm. What is the
weight of the third?

Answers

The weight of the third book is approximately 5.33 grams.

How to calculate the value

According to the given information:

The average weight of the 3 books is 3 grams.

To find the average weight, we sum up the weights of all the books and divide by the total number of books:

(1/3 + 5/2 + x) / 3 = 3

Now we can solve this equation to find the weight of the third book:

(1/3 + 5/2 + x) = 3 * 3

(1/3 + 5/2 + x) = 9

(1 + 15 + 6x) / 6 = 9

(22 + 6x) / 6 = 9

22 + 6x = 54

6x = 54 - 22

6x = 32

x = 32 / 6

x ≈ 5.33

Therefore, the weight of the third book is approximately 5.33 grams.

Learn more about average on

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The average weight of 3 books is 3gm, one book weighs 1/3 gm and the second 5/2gm. What is the weight of the third?

4. The measures of segment BS and segment PS are both 4.5 feet and m_PBS = 56°.

a. Find the measure of BSP. Item 2 says that “Angle QPS is supplementary to PSR."

b. Is BPS a unique triangle, or can more than one triangle be formed using the given segment
lengths and angle measures? Explain.

Answers

the answer to this is b

Lodging is $75.00 per night. Find the cost of three nights and 7% sales tax.

Answers

Answer: $240.75

Step-by-step explanation:

given that 16 ounces is 1 pound, how many ounces are in 12.4 pounds.
A. 192
b.198.4
c. 201.6
d. 208

Answers

198.4

Since there is 16 ounces in 1 pound you would do 12.4 x 16 which is equal to 198.4
Hope I helped

Write the exponential equation
A. y = 2.5(2)^x
B. y = 10(1/2)^x
C. y = 2(2.5) ^x
D. y = 1/2(10)^x

Answers

Answer:

A. y = 2.5(2)^x

Step-by-step explanation:

Given that when

x = 1, f(x) = 5

x = 2, f(x) = 10

x = 3, f(x) = 20

x = 4, f(x) = 40

x = 5, f(x) = 80

x = 6, f(x) = 160

Considering all the options

y = 2.5(2)^x

Substitute x = 1

y = 2.5(2)^1 = 2.5 *2 = 5

Substitute x = 2

y = 2.5(2)^2 = 2.5 * 4 = 10

Substitute x = 3

y = 2.5(2)^3 = 2.5 * 8 = 20

Substitute x = 6

y = 2.5 (2)^6

= 2.5 * 64

= 160

Since the function is true for all the values of x substituted, then the answer is A. y = 2.5(2)^x

The length of a rectangle is 3 times the width. The area of this rectangle is 243 feet squared.
What are the dimensions?
Width =____feet (this is the short side)
Length=____feet (this is the long side that is 3 times the width)

Answers

Step-by-step explanation:

width = x

length= 3x

Area = length * width

243=3x * x

3÷243 =3x^2÷3

√81=√x^2

x=9

3x=3*9=27

Width=9

Length=27

Find the areas of the trapezoids

Answers

Answer:

figure 1 - 10.5 unit^2

figure 2 - 12 unit^2

Step-by-step explanation:

figure 1

1. find the area of the rectangle

3*2 = 6 unit^2

2. find the area of the triangle

(3*3)/2 = 4.5 unit^2

3. add the area of the rectangle and the area of the triangle together. The sum would be the area of the trapezoid.

6 + 4.5 = 10.5 unit^2

figure 2

1. find the area of the rectangle

2*4 = 8 unit^2

2. find the area of both triangles

(1*4)/2 = 2 unit^2

3. add the area of the rectangle and the area of both triangles together. The sum would be the area of the trapezoid.

8 + 2 + 2 = 12 unit^2

1. Find
A) 35
B) 47.5
C) 67.5
D) 95

Answers

Answer:

i am pretty sure it is 95

Step-by-step explanation:

Answer:

B IS THE ANSWER.

Step-by-step explanation:

The angle is less than 50 degrees but more than 30.

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Nathaniel is using the quadratic formula to solve 0 = x2 + 5x - 6. His steps are shown below. What are the solutions to the attached equation?

Answers

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Nathaniel is using the quadratic formula to solve 0 = x2 + 5x - 6. His steps are shown below.
What are the solutions to the attached equation?