|4- 3X|=10 please help me

Answers

Answer 1

The answers are -2 and 3/14. when you do it the first time solve the equation normaly. the second time switch the sign of the left side. so it would be =-10 instead of positive 10.

Related Questions

what is the absolute value of -5

Answers

The absolute value of 2 + 7 is 5.

Answer: +5

Explanation: When a problem is asking us to find the absolute value of a number, it's really asking us how far is that number from zero.

So the absolute value of -5 is really asking us

how far is -5 away from zero on a number line.

I have drawn a number line below and you can see that -5

is 5 units to the left of zero which means its 5 units from zero.

So the absolute value of -5 is +5.

How many pounds are there in 2 and 3 over 4 tons? (1 ton = 2000 pounds)

Answers

1 ton=2000lbs

2000
x
3
-6000 1/4 of 2000= 500 6000
+
500
________________
6500Lbs

Answer:

The correct answer is C ( 5500 )

Step-by-step explanation:

I pressed that on my test it was correct and the only options were

(A) 4075 ^_______________ \

(B) 5000 /

(D) 5575

THAT IS THE CORRECT ANSWER

original price: $325.50; Markdown; 15%

Answers

325.5*.15 = 48.825

325.5 - 48.825 = 276.68 (rounded)

So you take $325.50 and multiply it by 15%. $325.50(0.15) = $48.825. You round $48.825 to $48.83. The you subtract $48.83 from $325.50 to get $276.67.

The Markdown price is $276.67

Hope this helps!

There are 15 puppies in a photograph, and 11 of them have their eyes open. How many puppies have their eyes closed?

11 – c = 15

c – 11 = 15

15 + c = 11

11 + c = 15

Answers

The puppies have their eyes closed, 11 + c = 15.

What is Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given:

Total puppies= 15

Puppies who opened their eyes = 11

let the number of puppies who have not open-end their eyes be c.

so, puppies have their eyes closed

c= 15 - 11

or, 11 + c = 15

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42 students and 6 faculty members at Byrd Middle school chose to retake their school pics .these #'s represent 1/12 of the students and 1/6 of the fuculty .what is the combined # of students and faculty members

Answers

faculty (not fuculty) ;)

Let s = # of students and f = # of faculty. We want to find s + f.

(1/12)s = 42. Mult. both sides by 12, we get s = 504.

(1/6)f = 6. Mult. both sides by 6, we get f = 36.

Then the total # of faculty and students combined is 504+36 = 540 (ans.)

Estimated tax on tires that cost $498 with a 6.25% sales tax

Answers

Just multiply the cost by the tax rate (use the decimal fraction 0.0625 for this):

0.0625($498) = answer

what is the product (8 x 10^2) x (2.5 x 10^2)
a.2 x 10^2
b.2 x 10^3
c.2 x 10^4
d.2 x 10^5

Answers

Answer:

D) 2*10^5

Step-by-step explanation:

I need to know how to write this as a decimal with all the steps and everything plzz

Answers

You divide the denominator into the numerator and that will get your answer which is 7.

the question is in the picture below

Answers

A change in x of 2 from one row to the next gives a change in y of 6. For example, changing x from -3 to -1 gives a change in y from -8 to -2. Then the slope is

... slope = ∆y/∆x = 6/2 = 3 . . . . . the coefficient of x

Now, you can pick any row of the table to determine what the intercept value must be. For example, choosing x = 1, we have

... 4 = 3×1 + intercept

... 1 = intercept . . . . . . . subtract 3 from both sides of the equation

Now, you know your equation is

... y = 3x + 1

_____

Since this is a linear equation, the y-intercept at x=0 will be halfway betweeen the value of y at x=-1 and the value of y at x=1. That is (-2+4)/2 = 1, in agreement with our calculation above.

A rectangular swimming pool has a volume of 2160 cubic feet. Water is being added to pool at a rate of about 20 cubic feet per minute. Use an equation in point-slope form to determine about how long it will take to fill the pool completely if there were already about 1200 gallons of water in the pool. Use the fact that 1 cubic foot of space holds about 7.5 gallons of water.

Answers

1200÷7.5= 160
-> there is already 160 cubic ft. of water
y=20x+160
-> this is the equation
2160=20x+160
2000=20x
100=x
you need 100 cubic ft. more to finish filling the pool

Which number is not in scientific notation? 1.10 ⋅ 103 4.0 ⋅ 1016 7.03 ⋅ 10−2 350 ⋅ 102

Answers

All of them except 10^2. This because scientific notation are number written to the power of ten. e.g Instead of writing 1000 you can write 10^3.

What comes next simplify 31/50,17/25,37/50,4/5,...

Answers

43/50

31/50=0,62

17/25=0,68(0,06 more)

37/50=0,74(0,06 more)

4/5=0,8(0,06 more)

43/50=0,86(0,06 more)

Next decimal should be 0,86

You need to find a fraction from the decimal 0,86

0,86=86/100=43/50

what property allows you to conclude that 5x+7x=12x

Answers

Since both of the numbers have a variable which is x ready to be multiplied, there is no expression leading to the variable therefore you will add normally but you will need to put the missing variable which needs to be multiplied. So overall you can just add and once you get your variable you can be abe to multiply and get your final answer.

Hope this helps

Ninety-one students signed up for the skating club. Coach Link wants to form teams with the same number of members on each team, but says that is impossible: the only teams he can make are 91 teams of 1 or 1 team of 91. Is coach link correct?

Answers

No, he's incorrect, because 91 students can be in 7 groups of 13 or 13 groups of 7.

Answer: he is not right

The amount or money you earn at your job varies directly with the number of hours you work. How many hours will you need to work to earn $145 if you earn $21.75 for 3 hours?

Answers

Well what you have to do is find out how much money u get per hour which would be 21.75/3 which would give u 7.25 so then you need to do 145/7.25 your answer is 20

If money you earn at your job varies directly with the number of hours you work. Then 20 hours will you need to work to earn $145 if you earn $21.75 for 3 hours

What is Ratio?

A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0.

Given,

Amount or money you earn at your job varies directly with the number of hours you work

One can earn $21.75 for 3 hours

We need to find how many hours taken to earn $145.

To find this we form an equation.

Let x be the number of hours to earn 145

21.75/3=145/x

Apply cross multiplication

21.75x=3×145

21.75x=435

Divide both sides by 21.75

x=20

Hence, it took 20 hours to earn $145.

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Which expression is a factor of 18x^2-15x+2 a) 3x-2 B) 9x-1 C) x-2 D)2x-1

Answers

= 18x^2 - 12x - 3x + 2

= 6x(3x - 2) - 1(3x - 2)

= (6x - 1)(3x - 2)

The answer is a) 3x - 2

The expression (3x - 2) is a factor of the given expression 18x² - 12x - 3x + 2. The correct answer would be an option (A).

What is the expression?

Expressions are defined as mathematical statements that have a minimum of two terms containing variables or numbers.

The expression is given in the question, as follows:

18x² - 12x - 3x + 2

We have to determine the factor of the given expression.

As per the question, we have

18x² - 12x - 3x + 2

Factor out the above expression, and we get

6x(3x - 2) - 1(3x - 2)

(6x - 1)(3x - 2)

Thus, the expression (3x - 2) is a factor of the given expression.

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Simplify 4x^2+36/4x multiply 1/5x

Answers

20x^2+9
------------
5

Your simplified answer would be

29x^2 / 5

A number is42,300 when you multiplied by 10. Find the product of this number and 500

Answers

your number is 4240 and the product of this and 500 is 4740

the value of 9 in 901,532 is how many times the value of the 9 in 157,900?

Answers

the value of 9 in 901,532 = 900,000
the value of 9 in 157,900 = 900

to find out how many times greater, we must divide
900,000 / 900 = 1000

so it is 1000 times greater <==

Evaluate (1/4)^—2-(5^0x 2)x1^-1

Answers

This expression is awkward. Your (1/4)^--2 should be written (1/4)^(-2).
Also, your x 2 should be written x^2 (the square of x).

But maybe that's not what you meant!

Your apparent use of "x" to indicate "multiply" makes things harder and more confusing. Please use " * " ONLY to denote multiplication.

Let's try again. Here's what I think I see:

(1/4)^(-2) - 1*2*1^(-1) and here is the evaluation:

16 - 2 = 32

Practice typing in expressions like these and then try to get some critique from your teacher regarding where you are correct and where you are not.

Write each number in standard form

9.03 x 10²

7.89 x 10³

4.115 x 10⁵

Answers

9.03 x 100
7.89x1000
4.115x100000

What is 69,000 rounded to the nearest hundred

Answers

The answer would still be 69,000

Hope this Helps

Salutations!

What is 69,000 rounded to the nearest hundred?

To round to the nearest hundred, you need to know whether the number next to hundred's place is greater than 5 or lesser than 5. If its greater than 5, you need to round up. If its lesser than 5, you need to round down.

69,000 → The number 0 is in the hundred's place. Zero has no value so thus you will be rounding down.

69,000 ≈ 69,000.

Hope I helped (:
Have a great day!

What percent of 300 is 0.6

Answers

The correct answer would be 1.8.

Keep in mind that "percent" means "for each 100." What the question is asking is: "If I have a certain amount for each of the hundreds in 300, what amount do I need for that total to be 0.6?"

Some things to ask yourself:
- How many hundreds are in 300?
- What do I need to multiply that number by to get 0.6?

Translate the expression into a word phrase. k + 12 A. a number less than 12 B. 12 more than a number C. the product of a number and 12 D. the quotient of a number and 12 im sucky ;-;

Answers

the answer is b) 12 more than a number

when you use the word "more than" it means addition. when you use the word "less than" it means subtraction. when you use the word "product of" it means multiplication. when you use "quotient of" it mean division.

hope that helps, God bless!

Order the numbers from least to greatest. 2.1,−6/10,−9/4,−0.75, 5/3

Answers

-0.75, -6/10, -9/4, 5/3, 2.1

Hello! Here are the numbers from least to greatest:

-9/4, -0.75, -6/10, 5/3, 2.1

This is because -9/4 is equivalent to -2 1/4, which is less than all of the other numbers. -6/10 (-0.6) is greater than -0.75. 5/3 is less than 2, so it is not greater than 2.1.

Pre-Cal Help!! (Image Attached)

Answers

To solve this type of questions, a practical way is to think of the 1.quadrant situation, that is, model the situation in right triangle trigonometry.

Check the picture.

For the moment let [tex]\displaystyle{ \cos\theta= \frac{8}{17} [/tex] (we make it positive since we are modeling using a triangle.)

Using the Pythagorean theorem, the length of the side opposite to angle [tex]\theta[/tex] is found to be 15 units.

We can see that the sine of theta is [tex]\displaystyle{ \sin\theta= \frac{opposite \ side}{hypotenuse}= \frac{15}{17} [/tex].

In the third quadrant, both sine and cosine of an angle are negative, so the actual values of the sine and cosine of theta are, eventually:

[tex]\displaystyle{ \sin\theta=- \frac{15}{17} [/tex], [tex]\displaystyle{ \cos\theta=- \frac{8}{17} [/tex].

Recall the double-angle identities (formulas):

[tex]\sin 2\theta=2\sin\theta\cos\theta[/tex], [tex]\cos2\theta=cos^2(\theta)-sin^2(\theta)[/tex].

Using these identities and the ratios found above, we have:

[tex]\displaystyle{ \cos2\theta=cos^2(\theta)-sin^2(\theta)=(- \frac{8}{17})^2-(- \frac{15}{17})^2=\frac{64}{289}-\frac{225}{289}=\frac{-161}{289}[/tex]

Similarly, applying the double angle formula for the sine we have:

[tex]\displaystyle{ \sin 2\theta=2\sin\theta\cos\theta=2\cdot(- \frac{8}{17})(- \frac{15}{17})=\frac{240}{289}[/tex]

[tex]\displaystyle{ \tan2\theta= \frac{\sin 2\theta}{\cos 2\theta}= \frac{\frac{240}{289}}{\frac{-161}{289}}= -\frac{240}{161} [/tex]

Answer:

[tex]\displaystyle{\cos2\theta=\frac{-161}{289}[/tex]

[tex]\displaystyle{ \tan2\theta= -\frac{240}{161}[/tex]

Nina wants to download games for her video game console. Older games cost $500 points and new releases cost 2000 points. Nina has 20,000 points to use. The equation 500a+2000b=20,000, where a is the number of older games and b is the number of new releases, models the situation. How many older games can she download if she downloads one new game? Four games?

Answers

36 and 24
(20000-2000)/500=36
(20000-8000)/500=24

7 + 5r + 3 + 5 = 1 + 7r

Answers

7+5r+3+5=1+7r
15+5r=1+7r
-5r=-5r
15=1+2r
-1=-1
14=2r
7=r

7+5r+3+5=1+ 7r
15+5r=1+7r
14=2r
r=7

if fifty cents is divided equally among three friends there will be some cents left how many cents will be left

Answers

Greetings!

This can be solved by dividing 50 by 3 (the amount of friends, you're spiting the money with.)

50/3=16.6667

We have to round down in order to get a whole number: 16

16*3=48
50-48=2

If 50 cents is divided equally among three friends, each would get 16 cents and there would be 2 cents left over.

Hope this helps.
-Benjamin

the absolute value of a negative number is 2.78 what is the distance on the number line between the number and it's absolute value

Answers

The distance from -2.78 to 2.78 on a number line would equal 5.56!

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