i need help on this.

I Need Help On This.

Answers

Answer 1
the value of x is: -9/2

Related Questions

Nata spent $28 on 2 DVDs.At this rate ,how much would 5 DVDs cost?At what rate did she spend her money?

Answers

Answer:

$70 for 5 DVDs  one dvd costs $14

Step-by-step explanation:

Answer:

5 cd's is 70 dollars

Step-by-step explanation:

28 divided by 2 = 14

Therefore 1 cd = 14 dollars

14 x 5 = 70$=5 CD's

Use rounding to estimate the sum.

Estimate the sum.
78.9+71.2

Answers

Answer:

150

Step-by-step explanation:

add 79+ 71 because you rounded to get that number then add :)

150

When estimating you just round off the numbers so, 78.9 becomes 79 and 71.2 becomes 71 so, 79 + 71 = 150.

Question 7 of 9
4 = (4 = 9) = (4 = 4) = 9
O A. True
B. False

Answers

Answer:

B. false

Step-by-step explanation:

The left side  4  does not equal to the right side  9 , which means that the given statement is false.

1/3 of the 12 pencils were broken.How many pencils were broken

Answers

Answer:

4

Step-by-step explanation:

You can multiply 1/3 by 4 to equal 12 giving you your answer

Answer:

Step-by-step explanation:

4  pencils were broken

1/3 * 12 is 4

HEP I WILL GIVE BRAINLIEST!!!

Answers

Answer:

dot 3

Step-by-step explanation:

The price of a television increased from $325 to $390. By what percentage was the price of the television increased?

Answers

Answer: 13.76 percent

Step-by-step explanation:

Answer for brainliest!

Answers

Answer:

-5, -6, -7, -8, -9, -10, -11

Step-by-step explanation:

Answer:

-12<x<-9/2

Step-by-step explanation:

2x+9<o

x>-12

-12<x<-9/2

Convert 1/12 ft. To inches.

Answers

Answer:

1 inch

Step-by-step explanation:

There are 12 inches in 1 foot so 1/12 is 1 inch

1 foot = 12 inches

1/12 feet = 1 inch

Which statement is not an example of a way a mineral can form?
O A. Dissolved substances crystallize on the bottom of a lake as
dolomite.
O B. A tourmaline crystal forms from magma cooling very slowly
underground.
Onc. Scientists grow a diamond under laboratory conditions.
O D. Pressure underground causes particles in rock to reorganize,
forming garnet

Answers

Answer:

Onc I think that is what that is but it is the scientist answe is the right answe

Step-by-step explanation:

This statement is not an example of a way a mineral can form as "scientists grow a diamond under laboratory conditions".

What is a Mineral Formation?

Minerals grow under a wide variety of geologic circumstances. There are probably more ways to produce minerals than there are different types of minerals. Minerals can occur as a result of volcanic gases, sediment formation, oxidation, magma crystallization, or saline fluid deposition, to name a few.

As per the question,

A. Dissolved substances crystallize on the bottom of a lake as

dolomite is an example of a way a mineral can form.

B. A tourmaline crystal forms from magma cooling very slowly

underground is an example of a way a mineral can form.

C. Scientists growing a diamond under laboratory conditions is not an example of a way a mineral can form.

Hence, the correct answer would be option (C).

Learn more about Mineral Formation here:

https://brainly.com/question/29751878

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HELPPP !! LOOK AT PICTURE
The function, f(x), is a third-degree polynomial whose
zeros are shown on the number line. Use the function
values below to determine the solutions set of f(x) < 0.

Answers

Answer:

A) (-infinity,-2] and D) [0,2]

Step-by-step explanation:

Which one?
A. B. C. or D? ​

Answers

Answer:

C

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

step-by-step explanation

whats love, in words dont give as random answer

Answers

To me...I think love is sacrifice,honesty,loyalty and selflessness. Lol that might be really cheesy but that’s just me! Heh! :3

Answer:

Love is something you have to take care of figuratively.

Love is life, but love is sometimes not the thing to have sometimes

Love could be great, Love could be bad.

Step-by-step explanation:

I need help with this asap plz

Answers

can't see the number thats on top of 4 at the end

if its 11 then the answer is x= -6

Answer:

[tex]x=-6[/tex]

Step-by-step explanation:

[tex]64=-\frac{15}{4} (2x-\frac{2}{3} )-\frac{11}{4} x[/tex]

[tex]64=-\frac{3*5}{2^2}(\frac{3(2x)+-2}{3})-\frac{11}{2^2}x[/tex]

[tex]64=-\frac{3*5}{2^2}(\frac{3(2x)+-2}{3})-\frac{11x}{2^2}[/tex]

[tex]x=-6[/tex]

What is the scale factor for the similar triangle?

Answers

Answer:

4

Step-by-step explanation:

Answer:

third option 1/4

Step-by-step explanation:

G is the bigger triangle with side lengths: 8, 8 and 4

F is the smaller triangle with side lengths: 2, 2 and 1

G to F:

8/x = 2

Rearrange and x would equal 1/4

4/x = 1

Rearrange and x would equal 1/4

Geometry please help

Answers

Answer: I think the answer is 19

Step-by-step explanation:

pls mark brainliest

Makinzee bikes 64.4 miles in 4 hours. What is her average rate of miles per hour?


Pls help

Answers

Answer:

16.1 mph is your rate

Step-by-step explanation:

Answer:

16.1 per hour

Step-by-step explanation:

just divide the mile by the hours.

64.4 / 4

11 is what percent of 41?

Answers

Answer: What do you mean?

Is this even correct question?

Answer:

4.51

Step-by-step explanation:

you have to divide

Simplify -16 -22+ 22) A. -16 B. 39 C. 16 D.38 Help me PLZZZZZZ ;(

Answers

Answer:

A

Step-by-step explanation:

-22+22=0

-16

Answer: A

-16 is the answer

Plz mark brainliest:)

A magic carpet is made with three colors of yarn. The ratio of each color in the carpet is shown below: 10 parts gold yarn 7 parts bronze yarn 3 parts silver yarn The magic carpet is made with a total of 150 meters of yarn. How much silver yarn is in the magic carpet?

Answers

Answer:

There are 22.5 meters of silver yarn

Step-by-step explanation:

Gold yarn : bronze yarn : silver yarn

10 : 7 : 3

Gold yarn = 10

bronze yarn = 7

silver yarn = 3

Total ratio = 20

Total meters = 150 meters

How much silver yarn is in the magic carpet?

Quantity of silver yarn in the carpet = silver yarn ratio / Total ratio × total meters of yarn

= 3 / 20 × 150

= 450 / 20

= 22.5 meters

There are 22.5 meters of silver yarn

Bronze yarn = bronze yarn ratio / Total ratio × total meters of yarn

= 7 / 20 × 150

= 1,050 / 20

= 52.5 meters

Bronze yarn = 52.5 meters

Quantity of gold yarn in the carpet = gold yarn ratio / Total ratio × total meters of yarn

= 10 / 20 × 150

= 1500 / 20

= 75 meters

Gold yarn = 75 meters

A three-digit personal identification number is chosen using the digits 1–9. The digits cannot be repeated. What is the approximate probability that the first digit will be 6? 0.00595 0.03571 0.11111 0.66667

Answers

Answer: C

Step-by-step explanation:it’s the 3rd ans on edge

The question is an illustration of probability, and the approximate probability that the first digit will be 6 is (c) 0.11111

How to determine the probability?

The number of digits in the pin = 3

Given that each digit cannot be repeated, the total number of pin is:

Pin = 9 * 8 * 7

Evaluate

Pin = 504

If the first digit is 6, the number of pins is:

First digit6 = 1 * 8 * 7

First digit6 = 56

So, the probability that the first digit is 6 is:

P = 56/504

Evaluate

P = 0.1111

Hence, the approximate probability that the first digit will be 6 is (c) 0.11111

Read more about probability at:

brainly.com/question/251701

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Leo reads 10 pages in 1/3 hours What is the unit rate for pages per hour

Answers

Answer:

30 pages per hour

Step-by-step explanation:

Leo can read 10 pages in 20 minutes.

60 minutes in a hour

20 x 3 = 60

10 x 3 = 30

plz plz plz help me quick i got 10 mins

Answers

Answer:

y=x+6

Step-by-step explanation:

Which one?
A. B. C. or D? ​

Answers

Answer: 1,176

Step-by-step explanation:  -3 times -7 is positive 21.

21 times -8 is negative -168

-168 times -8 is positive 1,176

It’s cccccccccccccccccc

x/3 + 5 = 6.8

The x/3 is a fraction! please I need an answer!!!

Answers

Answer:

x=5.4

Step-by-step explanation:

x/3+5=6.8

     -5  -5

__________

x/3= 1.8

 *3

________

x= 5.4

Please answer this please...

Answers

25(7)-35
175-35
Answer
140

I will give you brainliest, if you provide an accurate explanation.

Please include a thoughtful answer.

If not, I WILL report you.

1. Find the sqrt(i) and see if there is anything interesting that comes up.

2. Prove that complex numbers are closed under addition, subtraction, division, and cube roots

Answers

Answer:

sqrt(i) =0.707106781 + 0.707106781 i

Most of the numbers we know, and work with, are Real Numbers. The Real Number System includes counting numbers, fractions, terminating decimals, positive numbers, negative numbers, zero, repeating decimals, never ending and non-repeating decimals, numbers that are expressed as radicals, and even pi (π).

The natural numbers are the set of counting numbers

• There are infinitely many numbers in a set of numbers.

• The natural numbers are "closed" under addition and multiplication.

The addition of two natural numbers creates another natural number.

The multiplication of two natural numbers creates another natural number.

closed under addition and multiplication.

BUT ...

The subtraction of two natural numbers does NOT necessarily create another natural number

The division of two natural numbers does NOT necessarily create another natural number  

The whole numbers are the set of counting numbers (natural numbers) along with zero

   

• There are infinitely many numbers in this set of numbers.

• The set of whole numbers is "closed" under addition and multiplication.

Integers:

• The integers are the set of all of the natural numbers,

    plus their additive inverses and zero

• The integers are "closed" under addition, multiplication and subtraction,

    but NOT under division

Rational Numbers:

• The rational numbers are the set of numbers which can be expressed as a ratio

    (a fraction) between two integers.

• Integers are rational numbers since 5 can be written as the fraction 5/1.

• Decimals which terminate are rational numbers.

• Decimals which have a repeating pattern are rational numbers. 1/3 = 0.3333333...

• The rational numbers are "closed" under addition, subtraction, and multiplication. Under division, we run into the problem of division by 0, which makes the statement that "the rationals are closed under division" false. Some texts state that "the rationals are closed under division as long as the division is not by zero" which is a true statement.

Irrational Numbers:

The irrational numbers are the set of number which can NOT be written as a ratio (fraction).

• Decimals which never end nor repeat are irrational numbers.

• Irrational numbers are "not closed" under addition, subtraction, multiplication or division.

• Examples of irrational numbers: rad2, π

This is figured out by first figuring out that:

√(√(i)) = [tex]i^{1/4\\}[/tex]

Let [tex]\sqrt{i}[/tex] be a + b[tex]i[/tex].

Square both sides to get [tex]i[/tex] = (a + b[tex]i[/tex])(a + b[tex]i[/tex])

So, [tex]i[/tex] = a² - b² + 2ab[tex]i[/tex]

a² - b² is the real part. The real part is 0.

0 + [tex]i[/tex] = a² - b² + 2ab[tex]i[/tex]

a² - b² = 0

[tex]i[/tex] = 2ab[tex]i[/tex]

2ab = 1

ab = 1/2

b = 1/2a

Now, since a² - b² = 0,

a² - (1/2a)² = 0

a² - 1/(4a²) = 0

[tex]\frac{(4a^{4}-1 )}{4a^{2} }[/tex] = 0

That means the numerator MUST be 0.

[tex](4a^{4}-1 )}[/tex] = 0

[tex]4a^{4}[/tex] = 1

[tex]a^{4}[/tex] = 1/4

a = ± [tex]\frac{1}{\sqrt{2} }[/tex]

if a = [tex]\frac{1}{\sqrt{2} }[/tex] , then b = [tex]\frac{1}{\sqrt{2} }[/tex]

If a = -[tex]\frac{1}{\sqrt{2} }[/tex] , then b = -[tex]\frac{1}{\sqrt{2} }[/tex]

So, it's either a = -[tex]\frac{1}{\sqrt{2} }[/tex]  and b = -[tex]\frac{1}{\sqrt{2} }[/tex] , or a = [tex]\frac{1}{\sqrt{2} }[/tex]  and b = [tex]\frac{1}{\sqrt{2} }[/tex]

That's why sqrt(i) =0.707106781 + 0.707106781i, or sqrt(i) = -0.707106781 - 0.707106781i

3) 1 + 4 x 2 + 3
A) 10
C) 13
B) 14
D) 12

Answers

Answer:

following the order of operations would be 10

Step-by-step explanation:

1 + (4 × 2) + 3

4×2=6

1+6=7

7+3=10

Answer:

1+4*2+3 is 13. The answer is C

What is y + 3 = 4(x-6) in standard form?
O A. -4x+y=-27
O B. 4x - y = 27
O C. y + 3 = 4x - 24
O D. y = 4x - 27

Answers

“A” is the answer; “B” is not correct/equivalent to the given equation, “C” is not simplified enough, and “D” is in slope-intercept form

What is the range of the function
graphed below?
(3,3)

Answers

" y ≥ 3 " might be the answer?

10 Brynlee's monthly cell phone bill
is $60 a month plus $2.50 per
gigabyte used. Raylin's cell phone bill is $450
per month plus $3.25 per gigabyte used.
Determine after how many gigabytes used
would the cell phone plans cost the same
for the month what is the answer??

Answers

Answer:

20 gigabytes

Step-by-step explanation:

Let n represent the amount of gigabytes used.

First make an equation for each senario, Brynlee's would be 60+2.50n and Raylin's would be 45+3.25n.

Set them to equal each other, 60+2.50n=45+3.25n.

Then isolate for n.

60-45=3.25n-2.50n

15=0.75n

Divide both sides by 0.75 to get 20

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