solve for x : \(90 - 2/3x \leq 30\)

Answers

Answer 1

\(90 - \cfrac{2}{3}x\leqslant 30\implies \stackrel{\textit{multiplying both sides by }\stackrel{LCD}{3}}{3\left( 90 - \cfrac{2}{3}x \right)\leqslant 3(30)}\implies 270-2x\leqslant 90 \\\\\\ 270\leqslant 90+2x\implies 180\leqslant 2x\implies \cfrac{180}{2}\leqslant x\implies 90\leqslant x\)


Related Questions

a/b=6/11 solve which statements are true 11/6=a/b

Answers

Step-by-step explanation:

Given that,

\(\dfrac{a}{b}=\dfrac{6}{11}\)

We need to find the statement are true for \(\dfrac{11}{6}=\dfrac{a}{b}\).

On corss multiplying, we get :

\(11b=6a\)

or

\(\dfrac{b}{a}=\dfrac{6}{11}\)

Hence, these are the equivalent expressions.

if sine Theta is less than 0 and tan Theta is greater than 0 then​

Answers

Answer:

Sine Theta is a negative number, Tan Theta is a greater number then zero.

Step-by-step explanation:

If Sine Theta is less then zero, she is a negative number. So 0 - y = -y.

So if Tan Theta is a greater number than zero, her number is not negative. So 0 + y = y

I hope this helped! I didn’t really understand the question though.

1.3.1 1.3.2 1.3.3 1.3.4 Government receives income from various sources, like tax and loans. This income is then distributed to the different sectors. TABLE 3 below shows the source of the income and the expenditure for the 2019/20 tax year. SOURCE Tax INCOME Loans ASC QP Other income Non-tax income AMOUNT (in billion rand) 1370 242.7 180.3 31.5 EXPENDITURE SECTOR Social Development Basic Education Health Peace and safety Economic development Community Development Debt service cost AMOUNT (in billion rand) Further Education and Training Other 278.4 262.4 222.6 211.0 209.2 208.5 202.2 APRIL 2021 112.7 B 1823.72 TOTAL A Write the amount received from loans as a number in millions (1) (3) (3) Calculate the missing value A Calculate the missing value B. Show ALL calculations. Determine the amount allocated for Community Development as a percentage of the total expenditure. (4)​

Answers

The amount received from loans as a number in millions is 242,700 million rand.

How to calculate the value

Deducing value A requires computation of collective income sources, for which the following summation suffices:

Total Income = Tax + Loans + ASC + QP + Other income + Non-tax income = 1370 + 242.7 + 180.3 + 31.5 + A + 0 = 1825.5 + A

In this context, it follows that A amounts to (1825.5 - 1370 - 242.7 - 180.3 - 31.5) = 0 million rand.

Conversely determining missing value B necessitates subtraction of total expenditure from accumulated revenue, giving rise to the subsequent formula:

Total Income - Total Expenditure = B

(1825.5 - 112.7 - 278.4 - 262.4 - 222.6 - 211.0 - 209.2 - 208.5 - 202.2 - 0) = B

Following calculation, B equates to -77.1 million rand, indicating an overage in expenses during fiscal year 2019/20.

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rewrite the following expression 9(6+7n)

Answers

Answer:

63n + 54

Step-by-step explanation:

9(6+7n)

First you have to multiply 6 and 9 which gives you 54. Then you’ll have to multiply 7n and 9 which equals to 63n. Whenever you see expressions like that, make sure to multiply both numbers inside the parentheses by what’s outside the parentheses. (Well, that method is mainly done like that if there’s one number outside the parentheses—like the expression you’ve provided.)

find the interest accrued on a $7500 loan with a 2.5% interest rate over 4 years

Answers

The interest obtained after 4 years from a loan of $7500 is = $750

Calculation of generated interest

The principal amount of the loan = $7500

The rate at which the interest is paid is = 2.5%

The time that it will take to pay the interest = 4 years

Using the formula for Simple interest;

SI= P×T×R/100

SI = 7500×4 × 2.5/100

SI= 75000/100

SI=$750

Therefore, the interest accrued on a $7500 loan with a 2.5% interest rate over 4 years is = $750

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HELP IS STUDY ISLAND I NEED THIS NOW

HELP IS STUDY ISLAND I NEED THIS NOW

Answers

Answer:

i think A. 6 in

Step-by-step explanation:

because the lenght is diagram 3


GEOMETRY The area of a scalene triangle is 56 square meters. The base of the triangle is 2x - 6 meters, and the height of the triangle is
X - 4 meters. Find the base and height of the triangle.

Answers

I might be wrong but I solved it on paper and I got


B=82
H=40

The base and height of the triangle is 16 meters and 7 meters respectively.

What are Scalene Triangles?

Scalene triangles are triangles which has all three sides having different side lengths and the measure of all the three angles is different.

Given that,

Area of a scalene triangle = 56 square meter

Base of the triangle = 2x - 6 meters

Height of the triangle = x - 4 meters

The formula to find the area of a triangle is,

Area = \(\frac{1}{2}\) × base × height

Substituting,

\(\frac{1}{2}\) × (2x - 6) (x - 4) = 56

\(\frac{1}{2}\) (2x² - 6x - 8x + 24) = 56

\(\frac{1}{2}\) (2x² - 14x + 24) = 56

x² - 7x + 12 = 56

x² - 7x - 44 = 0

Factoring,

(x - 11) (x + 4) = 0

So, x = 11 or x = -4.

x = -4 is not possible, since the negative lengths are not possible.

So, x = 11

So base = 2x - 6 = 16 and height = x - 4 = 7

Hence the base and height are 16 and 7 respectively.

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A system of equations is given.

Equation 1: 4x − 6y = 10
Equation 2: 9x + 2y = 7

Explain how to eliminate x in the system of equations.

Answers

Step-by-step explanation:

To eliminate x in the system of equations:

1. Multiply Equation 1 by 9 and multiply Equation 2 by -4, this gives:

Equation 1: 36x -54y = 90

Equation 2: -36x - 8y = -28

2. Add the two equations together to eliminate x:

(36x - 54y) + (-36x - 8y) = 90 - 28

Simplifying, we get:

-62y = 62

3. Solve for y:

y = -1

4. Substitute y = -1 into one of the original equations, say Equation 1:

4x - 6(-1) = 10

Simplifying, we get:

4x + 6 = 10

5. Solve for x:

4x = 4

x = 1

Therefore, the solution to the system of equations is x = 1 and y = -1. We can check that these values are correct by substituting them back into the original equations and verifying that they satisfy both equations.

which mixed number is equivalent to the improper fraction of 41/10

Answers

Answer:

4 1/10 when u have a inproper fraction like that every 10 is one whole number

T=2p squared make p the subject

Answers

Answer:

p = k ^2 + 3 r

What is the measurement of this angle ?

What is the measurement of this angle ?

Answers

The measurement of the given angle is a 90 degree.

According to the statement

We have to find that the measurement of this angle.

So, For this purpose, we know that the

An angle is formed when two straight lines or rays meet at a common endpoint. The common point of contact is called the vertex of an angle.

From the given information:

In the given figure, the measurement of the angle we have to find.

A 90-degree angle is a right angle and it is exactly half of a straight angle. It always corresponds to a quarter turn.

And from the figure it is clearly visible that the line of the angle exactly matches with the 90 degree.

Then the angle is 90 degree.

So, The measurement of the given angle is a 90 degree.

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how many meters an Ostrich can run in 1 second, 2 seconds , and 4 seconds?

Answers

Answer:

An ostrich could run near 21 meters in 2 seconds and around 84 meters in 4 seconds

its due in 1 hour please i need help i give brainliest 2/9 x 3/10 *


This is a required question
There are 10 students in a class. 1/2 of the class are playing a game. How many of the students are playing the game? *

6/10 ÷ 1/2 *

3/5
8/10 ÷ 4/5 *


This is a required question
0.56 + 1.452

Aliyah has 19.8 feet of rope. She uses a 13.5 foot piece to hang a plant. How much rope does she have left?
0.9 ÷ 0.3

What does 4 cubed look like written out?

What does 12 to the fourth power look like written out? *

Answers

1. 5 students are playing the game

2. (6/10)/(1/2)
this can be rewritten as (6/10)*(2)
u get 12/10 or 6/5 or 1 1/5

3. (8/10)/(4/5)
this can be rewritten as (8/10)*(5/4)
8*5=40
10*4=40
40/40=1 is the answer

4.
.56+.1.452=
2.012

5. rope problem
19.8-13.5=6.3 feet of rope left

6. .9/.3 = 3

7. 4^3

8. 12^4

What is the measure of gef

What is the measure of gef

Answers

Grate elf finder because I am really

These signs give information about two different towns.
Study these signs carefully. Then, answer the questions and complete the statements
about them below.
Use the drop-down menus to complete each statement.

These signs give information about two different towns.Study these signs carefully. Then, answer the

Answers

Answer:

In which town does the total number have meaning?

Answer: Town B

For Town A, it does not, cannot, does not.

For Town B, does, can, does.

You visit the tallest building in a city and drop a penny off the edge of the observation deck. The distance the penny will fall is 16 feet the first second, 48 feet the next second, 80 feet the third second, and then it will continue falling at the same rate. How many feet will the penny fall during the 8th second?

384 feet
272 feet
256 feet
240 feet

You visit the tallest building in a city and drop a penny off the edge of the observation deck. The distance

Answers



The distance that an object falls due to gravity is given by the equation:

d = 1/2 * g * t^2

where d is the distance fallen, g is the acceleration due to gravity, and t is the time elapsed.

In this case, we are given that the penny falls 16 feet during the first second, 48 feet during the second second, and 80 feet during the third second. From this, we can see that the penny is falling with a constant acceleration of 32 feet per second per second (since the distance is increasing by 32 feet each second).

To find the distance that the penny falls during the eighth second, we can use the same equation as before, but with a value of t equal to 8 seconds:

d = 1/2 * g * t^2
d = 1/2 * 32 * 8^2
d = 1/2 * 32 * 64
d = 1024 feet

Therefore, the penny will fall 1024 feet during the eighth second.

Currently, ______ is the main source of energy used by humans...
please help

Answers

Answer:

oil, fuels, fossil fuels

Step-by-step explanation:

What is the area of the circle above? (

What is the area of the circle above? (

Answers

Answer:

D. 113.04

Step-by-step explanation:

Choose the equation that represents the graph below (1point) graph of a line passing threw points negative 2 comma 0 and 0 comma negative 4 y =-2x- 4y=2x+4y=-2x+4y=2x-4

Answers

The equation of line is,

⇒ y = -2x - 4

What is equation of line?

The equation of line with slope m is given by;

⇒ y = mx + b

Now, The points are;

(-2, 0) and (0, -4)

Hence, slope = (-4 - 0) / (0 - (-2) = -4 / 2 = -2

Since, Equation of line with slope (m) is;

y = mx + b

Here, Slope (m) = -2

To find the value of b we use either of the points;

Take point (0,-4)

x = 0 and y = -4

We get after substitute;

-4 = -2(0) + b

-4 = b

Hence, The equation of line is,

⇒ y = -2x - 4

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Find a solution to the linear equation 9x+4y=−36 by filling in the boxes with a valid value of x and y.

Answers

Answer:

Please look at the picture below!

Step-by-step explanation:

Hope this helps!

If you have any question, please feel free to ask any time.

Find a solution to the linear equation 9x+4y=36 by filling in the boxes with a valid value of x and y.

The ratio of berries to oranges is 10:1. If there are 9 oranges, how many berries are there?​

Answers

Answer:

90  berries

Step-by-step explanation:

There are 90 berries. Boss

I need help guys please
i will be thankful

I need help guys pleasei will be thankful

Answers

Answer:

16.94 cm

Step-by-step explanation:

HELP PLEASE IM GIVE BRAINLIST

HELP PLEASE IM GIVE BRAINLIST

Answers

The triangle which could be drawn as per the given description is only option b. isosceles triangle with measure 20° and 80°.

An acute triangle with sides measuring 7, 4, and 2

In an acute triangle, the sum of the squares of the two shorter sides must be greater than the square of the longest side .

According to the Pythagorean Theorem.

Here, 7² is greater than (4² + 2²).

So this is not possible.

An isosceles triangle with angles measuring 20° and 80°

In an isosceles triangle, two angles are equal, so if two angle measures 20° and 80°,

Then the third angle measures is

180° - 20° - 80°= 80°

Two angles are congruent implies two sides are congruent.

It is possible to form isosceles triangle.

An obtuse triangle with sides measuring 5, 10, and 15

In an obtuse triangle, the longest side is opposite the largest angle.

Sum of squares of two shorter sides is less than square of longest side according to Pythagorean Theorem.

However, 15²is greater than (5²+ 10²),

so this is not possible.

A scalene triangle with angles measuring 110° and 35°

The sum of the angles of any triangle is 180°,

so the third angle must measure

180° - 110° - 35° = 35°.

Two angles are congruent so it is isosceles triangle.

It is not possible to form scalene triangle.

Therefore, the triangle possible to draw as per the given condition is only option b. isosceles triangle with measure 20° and 80°.

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Determine the domain of each relation, and determine whether each relation describes y as a function of b, x = b

Answers

The Y value can therefore be either positive or negative for every given X number, proving that this isn't a function.

Explain about the domain of the function?X is equal to why's absolute value, and we're looking for the domain. Remember that the domain is simply the set of all conceivable X values. As a result, when we look at the this equation, an absolute value sign just on y axis makes all negative numbers positive and all positive numbers, just that one number, positive.

For the stated question:

Relation :  x = b

Its absolute value of a negative is equal to the absolute amount of a positive alone.

Since zero's absolute value was only zero, all of the X values has to be positive or zero. Because if an exit value had a negative value, the absolute value sign could be in contravention of its rule.Therefore, the domain includes only positive numbers plus zero, and we can use any value for X to check whether or not it is a function. Let's assume that X is 20. 20 equals are available. the reason in its entirety Since we just observed that absolute value of the a negative number up above, y in this case may either equal only positive 20 and y can equal negative 20. This case's negative 20 is only 20, after all.

Thus, the Y value can therefore be either positive or negative for every given X number, proving that this isn't a function.

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I am stuglling please someone help me

I am stuglling please someone help me

Answers

76 degrees n 83 degrees it's div

The revenue​ (in dollars) from the sale of x car seats for infants is given by the following function. R(x) =56x -0.020x^2 0less than or equal to x and 2800 is greater than or equal to x

Answers

Answer:

\(Rate = 15\)

Step-by-step explanation:

Given

\(R(x) = 56 - 0.020x^2\)

Required

Find the average change from​ 1,000 car seats to​ 1,050 car seats --- Missing information

This is calculated using:

\(Rate = \frac{R(b) - R(a)}{b-a}\)

In this case:

\(a = 1000\)

\(b = 1050\)

Now, we have:

\(Rate = \frac{R(1050) - R(1000)}{1050-1000}\)

\(Rate = \frac{R(1050) - R(1000)}{50}\)

Calculating R(1050)

\(R(1050) = 56 *1050- 0.020*1050^2\)

\(R(1050) = 58800-22050\)

\(R(1050) = 36750\)

Calculating R(1000)

\(R(1000) = 56 *1000- 0.020*1000^2\)

\(R(1000) = 56000- 20000\)

\(R(1000) = 36000\)

So:

\(Rate = \frac{R(1050) - R(1000)}{50}\)

\(Rate = \frac{750} {50}\)

\(Rate = 15\)

The average rate of change is 12

Ella is reading a book. on monday she reads some pages. On tuesday she reads a quarter of the pages remaining. Ella has now read three fifths of the book. She has read 69 pages more than she still has left to read. How many pages did she read on monday?

Answers

Answer:

Step-by-step explanation:

m

Which equation shows that the Pythagorean identity is true for 0=pi/2? Select the equation that is in the form sin^2 0 + cos^2 0 = 1
A. 1^2+0^2=1
B. (-1)^2+0^2=1
C. 0^2+1^2=1
D. 0^2+(-1)^2=1​

Answers

The equation that shows the Pythagorean identity is true for 0 = pi/2 is

C. 0² + 1² = 1

How to find the Pythagorean identity

The Pythagorean identity is given by sin^2 θ + cos^2 θ = 1 for all values of θ, including θ = 0 and θ = π/2.

When θ = 0, sin 0 = 0 and cos 0 = 1. Thus, plugging in these values into the Pythagorean identity, we get:

sin^2 0 + cos^2 0 = 0^2 + 1^2 = 1

Therefore, the equation that shows that the Pythagorean identity is true for θ = 0 is:

0^2 + 1^2 = 1

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determine whether the statement describes a population or a sample. the number of times the students on your floor order fast food in a week.

Answers

The number of times the students on your floor order pizza in a week, population.

A population is a complete set of individuals or objects that share common characteristics. It is an entire group of people, animals, plants, or objects that can be studied. A population can also be a group of people living in a certain geographical area.

A sample is a subset of a population. It is a smaller group of individuals or objects drawn from the population that are used to make inferences about the population as a whole.

A sample is used in statistical analysis to estimate population characteristics, such as mean, median, and variance. The accuracy of the estimates depends on the size and representativeness of the sample.

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The complete question is:

Determine whether the statement describes a population or a sample. The number of times the students on your floor order pizza in a week, ___.

The radius of a fluorine atom is about 5 x 10^-8 millimeter. The radius of a
strontium atom is about 2 x 10^-7 millimeter.
About how many times larger is the radius of a strontium atom than the radius of a fluorine atom?

Answers

Answer:

-3/20000000

Step-by-step explanation:

I subtracted the 2

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