Mathematics High School


What is the answer
3(5-x)>-15

Answers

Answer 1

Steps to solve:

3(5 - x) > -15

~Distribute

15 - 3x > -15

~Subtract 15 to both sides

-3x > -30

~Divide -3 to both sides

x < 10

Best of Luck!

Related Questions

Some rational numbers are whole numbers. True or False

Answers

Answer:

False

Step-by-step explanation: A rational number is any number can be expressed as a fraction. Whereas, a whole number is a positive number without a decimal or fractions. Every rational number is may or may not be a whole number.

The statement "Some rational numbers are whole numbers" is:

True

Some rational numbers are whole numbers. True or False?

A rational number is any number that can be expressed as a fraction of two integers, where the denominator is not zero. A whole number is any integer that is not negative.

All whole numbers are rational numbers. This is because any whole number can be expressed as a fraction with a denominator of 1.

For example, the whole number 3 can be expressed as the rational number 3/1.

However, not all rational numbers are whole numbers. For example, the rational number 1/2 is not a whole number, because it cannot be expressed as a fraction with a denominator of 1.

Therefore, "Some rational numbers are whole numbers" is True.

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is -4.03479 terminating or repeating decimal

Answers

Answer:

I think its a terminating decimal

Step-by-step explanation:

MATH PLS HELP
1. [02.03]
Solve for x: -5|x + 1| = 10 (1 point)
O x = 0
O x= -3 and x = 1
O x = -1 and x = 3
O No solution

Answers

I know that x=-3. So probably that second choice.

Given: f(x) = 3 - x; g(x) = -2x Find g[f(-1)]. -8 -22 8

Answers

Answer:

-8

Step-by-step explanation:

I looked it up on   ma th way   like the previous user said and got -8.

Answer:

Hello, Brainly Users! The answer for this equation is "-8."

Step-by-step explanation:

Thr answer is -8! Have a great day, smarties!

Find the area of the trapezoid by decomposing it into other shapes. A) 48 cm2 B) 55 cm2 C) 66 cm2 D) 96 cm2

Answers

Answer:

The answer is B.

Step-by-step explanation:

You have to use area of trapezoid formula, A = 1/2×(a+b)×h where a, b are the side lengths and h is height :

[tex]area = \frac{1}{2} \times (a + b) \times h[/tex]

[tex]let \: a = 6,b = 16,h = 5[/tex]

[tex]area = \frac{1}{2} \times (6 + 16) \times 5[/tex]

[tex]area = \frac{1}{2} \times 22 \times 5[/tex]

[tex]area = 11 \times 5[/tex]

[tex]area = 55 \: {cm}^{2} [/tex]

-(-2x + 2) =
umm i need help its simplifying btw

Answers

Answer:

= 2x - 2

Step-by-step explanation:

-(-2x + 2)

= -(-2x) - (2)

= 2x - 2

y = 1/3 (x - 3) - 7​

Answers

Answer:

Step-by-step explanation:

y = 1/3x - 1 -7

y = 1/3x - 8

Function Notation answers

Answers

Wait what are answering

In a small business, 40 of the employees are men and 30 of the employees are women. What is the ratio of women to men?

Answers

Answer:

3 : 4

Step-by-step explanation:

Men = 40, Women = 30

Ratio of women to men

[tex] = \frac{30}{40} = \frac{3}{4} = 3 : 4 \\ [/tex]

The Ratio of the women to men is 3/4.

What is ratio?

The ratio can be defined as the number that can be used to represent one quantity as a percentage of another. Only when the two numbers in a ratio have the same unit can they be compared. Ratios are used to compare two objects.

Given, In a small business, 40 of the employees are men and 30 of the employees are women.

Since There are 30 women on 40 men in the company

Thus, ratio of the women to men = 30/40

The ratio of the women to men = 3/4

Therefore, the ratio of women to men is 3/4 in the organization.

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Question 5 (6 points)
Write the equation of the line that passes through (1,3) and (-2,9)

Answers

Answer:

y=-2x+13

Step-by-step explanation:

slope equation= (y2-y1)/(x2-x1)

(9-3)/(-2-1)=(6/-3)=-2

slope changes by a factor of -2

y=mx+b ... find b, plug in values

9=-2(-2)+b

9+4=b

b=13

CHECK

9=-2(-2)+13

9=-4+13

9=9

CORRECT

$50 $10 $400 what do I do?

Answers

In 35 weeks he will have $400

Answer: The answer is 40 weeks

Step-by-step explanation: Just divide the amount of money Nick is putting in each week which is $10, by 400. Whatever number you get, is how many weeks it would take to get to $400.

If sin Ѳ = cos 40, find the value Ѳ

Answers

Answer:

Θ = 50°

Step-by-step explanation:

Using the cofunction identity

cosx = sin(90 - x)

Given

cos40° = sin(90 - 40)° = sin50° ⇒ Θ = 50°

Answer:

Ѳ = 50

Step-by-step explanation:

Sin Ѳ = cos 40

[tex]Ѳ = \sin ^{ - 1} ( \cos(40) ) [/tex]

Simplify

[tex]Ѳ = sin^{ - 1} (0.7660444431) \\Ѳ = 50[/tex]

How do I do this?
Im stuck on what to do

Answers

CD and DE are equal distance so their equations are equal:
2x+7 = 4(x-3)
2x+7 = 4x-12
Subtract 2x from both sides
7 = 2x-12
Add 12 to both sides
19 = 2x
9.5 = x
Now that u have x just plug it into the equation for DE
4(9.5-3)
38-12
26 is the answer

Which of the following equations is equivalent to 3x + 4y = 15?

Answers

Letter A is the answer because
4y = 15 - 3x
so y = 15/4 -3x/4

The equivalent expression of 3x + 4y = 15 is y = 15/4 - 3x/4 so option (A) will be correct.

What is the equation?

There are many different ways to define an equation. The definition of an equation in algebra is a mathematical statement that demonstrates the equality of 2 mathematical expressions.

In another word, the equation must be constrained with some constraints.

Given the expression,

3x + 4y = 15

4y = 15 -3x

y = 15/4 - 3x/4

Hence "The equivalent expression of 3x + 4y = 15 is y = 15/4 - 3x/4".

For more about the equation,

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In the given figure, C is the midpoint of AB and M is the midpoint of AC . Find the length of NB if MC = 4 and AN = 14.

Answers

Answer:

Given MC = 4

AN = 14

To Find, the length of NB

Step-by-step explanation:

AB is a line which has midpoint “C”. Now the line is divided into two equal portion AC and CB.

The AC has midpoint “M” and MC is 4, so AM will also be 4.

N is the midpoint of CB. So, CB = CN + NB

Now we know AC = AM + MC = 4  + 4 =8

Given, AN = 14

AN = AC + CN

14 = 8 + CN

CN = 6

Since N is the midpoint of CB then, CN = NB

Therefore, the NB is 6

Which ordered pair is not a solution of f(x) = 2x + 9? A. (0,9) B. (7, 23) C.(3, 14) D.(2, 13)​

Answers

Answer:

The answer is C (3, 14)

(ab² + b²a) - (-2b+a²) = ?​

Answers

Answer:

Step-by-step explanation:

2AB² + 2B - A³

Simplify 2(x – 4) + 32: Simplify 9x + 4(x + 2) – 5:

Answers

Answer:

Step-by-step explanation:

1)  

2(x – 4) + 32

Multiply it out.

2 * x - 2 * 4 + 32

2x - 8 + 32  

2x + 24

2)

9x + 4(x + 2) – 5

Multiply it out

9x + 4 * x + 4 * 2 - 5

9x + 4x + 8 - 5

13x + 3

 first correct answer will be marked as branders please help fast

Answers

Answer:

even if the first answer is wrong? Just kidding, the first one is -9, second is 0, third is 9, and last is 18

Step-by-step explanation:

-9

0

9

18

Answer:

see explanation

Step-by-step explanation:

Evaluate u for each value of n by substituting value of n into u, that is

n = - 1 → u = - 5(- 1)² + 4(- 1) = - 5(1) - 4 = - 5 - 4 = - 9

n = 0 → u = - 5(0)² + 4(0) = 0 + 0 = 0

n = 1 → u = - 5(1)² + 4(1) = - 5 + 4 = - 1

n = 2 → u = - 5(2)² + 4(2) = - 5(4) + 8 = - 20 + 8 = - 12

Thus

   n          u

   - 1         - 9

     0          0

      1          - 1

      2          - 12

 

What is the difference between the intergers -11 and -3

Answers

The answer should be 8.
-3) - (-11)= 8

how do you solve -11 = 7 - x

Answers

First you would subtract 7 from each side to get -18. Then you would change the negative to a positive to make the x positive. X equals 18

Answer:

Step-by-step explanation:

-11=7-x

-7  -7  

-18=-x

18=x

Find NQ if NP = 13 cm and line l is a segment bisector.

Answers

Answer:

NQ = 26 cm

Step-by-step explanation:

A line bisector divides a line into two equal segments.

Given that line l is the bisector of segment NQ, it then means it divides NQ into two equal segments, namely, segment NP and segment PQ.

Thus, NP = ½ of segment NQ

Therefore, if NP = 13 cm,

13 = ½*NQ

multiply both sides by 2

2*13 = NQ

26 = NQ

NQ = 26 cm

find the inverse of each function

Answers

Answer:

These are the steps to do it since there is no equations provided

Step-by-step explanation:

1.) First, replace f(x) with y . ...

2.) Replace every x with a y and replace every y with an x .

3.)Solve the equation from Step 2 for y . ...

4.) Replace y with f−1(x) f − 1 ( x ) .

Hope this helps :)

Answer: to find the inverse function you need to switch every X with Y and then every Y with X

Step-by-step explanation:

This is one of my favorite parts in calculus and I’m glad I finally get to solve a problem having to do with it.

Which of the Following is the solution to 4|x+3| greater than equal to 8? Options are as followed: A.x less then equal to -5 or x greater than equal to -1 B. x greater than equal to -1 C.x less then equal to -5 and x greater than equal to -1 D. x greater then equal to -5 and x greater then equal to -1

Answers

Answer:

A

Step-by-step explanation:

4|x+3| >= 8

Divide both sides by 4

4|x+3| / 4 >= 8/4

|x+3| >= 2

Rewritten as

-2 >= x + 3 >= 2

Subtract 3 from all sides

-2 - 3 >= x + 3 - 3 >= 2 - 3

-5 >= x >= -1

Or

-1 <= x <= -5

x less then equal to -5 or x greater than equal to -1

give f(x) =-5(2x+1)+6,what is the value of f(-2)​

Answers

Answer:

f(- 2) = 21

Step-by-step explanation:

To evaluate f(- 2) substitute x = - 2 into f(x)

f(- 2) = - 5(2(- 2) + 1) + 6 = - 5(- 4 + 1) + 6 = - 5(- 3) + 6 = 15 + 6 = 21

What is 7x-6=9x+6? PLEASE HELP ME!!!!!!!!!!!!!

Answers

Answer:

x=-6

Step-by-step explanation:

7x-9x=6+6

-2x=12

x=-6

Answer:

x = -6

Step-by-step explanation:

Step 1: Write out equation

7x - 6 = 9x + 6

Step 2: Subtract 7x on both sides

-6 = 2x + 6

Step 3: Subtract 6 on both sides

-12 = 2x

Step 4: Divide both sides by 2

-6 = x

Step 5: Rewrite

x = -6

Find the number that makes the two fractions equivalent.
4/5=?/20

Answers

Answer:

4/5=16/20

Step-by-step explanation:

because

4x4

Answer:

16

Step-by-step explanation:

20 divided by 5 is 4.

This means both numbers on the left side must be multiplied by 4 to get the right side.

4 times 4 is 16.

Jay needs $20 to buy her radio she has saved $15 what percent of the cost of the radio has she saved

Answers

Answer:

25% would be the answer hope this helps. have a good day!

Answer: 75%

Step-by-step explanation:

0.75 x 20 = 15

ANSWER QUESTION 7 PLEASE

Answers

Answer:Its F

Step-by-step explanation:

Answer:

Letter i

Step-by-step explanation:

BeCuAsE A rAtIoNaL NuMbEr Is A NuMbEr ThAt CaN Be MaDe InTo A FrAcTiOn AnD I CaNt Be MaDe InTo A FrAcTiOn.

What is the equation of the line that passes through the point (2,-6)and has a slope of −1?

Answers

Step-by-step explanation:

Hey there!!

Just simply work with it.

We know that we have to use one point formula to find the equation of a st.line passing through point and slope is given.

So, just do accordingly.

The point is (2,-6) and slope is -1.

[tex](y - y1) = m(x - x1)[/tex]

Where, "m" is a slope.

Put all values.

[tex](y + 6) = - 1(x - 2)[/tex]

Simplify them to get answer.

[tex](y + 6) = - x + 2[/tex]

[tex]y = - x - 4[/tex]

Therefore the equation is y= -x-4 OR can be written as x+y+4=0.

Hope it helps....

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