Which statement is true of an appropriate sample of a population? A sample must be a group of people who are the target of the survey question. A sample should have different characteristics than the population. O Asample must be very small. A sample should include only boys or only girls. THE ANSWER IS A​

Answer:

x < 6

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Equality Properties

Step-by-step explanation:

Step 1: Define

-2x > -12

Step 2: Solve for x

Here we see that any value x smaller than 6 would work as a solution to the inequality.

Answer:

x < 6

Step-by-step explanation:

Hello!

We can solve inequalities the same way as we solve equations. The most important rule is that when you divide or multiply both sides by a negative number, flip the sign.

The solution set for x is all values less than 6.

Answer:

i would go for B

Step-by-step explanation:

Answer:

7(1/2)

Step-by-step explanation:

Answer:

(x-6)(x-4)

or

x=-6   , x=4

Step-by-step explanation:

Answer:

400

Step-by-step explanation:

Answer:

a=5.1

Step-by-step explanation:

Isolate the variable by dividing each side by the factors that don't contain the variable. Hope this helps! :)

The value of a, if The expression 2.4x − 3.9y − 1.2x + ay is equivalent to 1.2x + 1.2 y is 5.1.

A finite combination of symbols that are well-formed in accordance with context-dependent principles is referred to as an expression or mathematical expression.

Given:

2.4x−3.9y−1.2x+ay is equivalent to 1.2x+1.2y,

2.4x − 3.9y − 1.2x + ay = 1.2x + 1.2y

Simplify the above expression as shown below,

2.4x − 1.2x + ay - 3.9y = 1.2x + 1.2y

1.2x + y(a - 3.9) = 1.2x + 1.2y

As the expression is equivalent, compare the expression as shown below,

a - 3.9 = 1.2

a = 1.2 + 3.9

a = 5.1

Thus, the value of a is 5.1.

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a) distance

b) displacement

c) scalar

d) vector

Answer:

24

Step-by-step explanation:

Answer: the system has no answers

Step-by-step explanation:

9514 1404 393

Answer:

  21.4  

Step-by-step explanation:

For this problem, you only need to know that the hypotenuse (x) is the longest side of the triangle. The only answer choice longer than 20 is ...

  x = 21.4

__

If you want to actually go through the numbers, you know that ...

  Cos = Adjacent/Hypotenuse

  cos(21°) = 20/x

  x = 20/cos(21°)

  x ≈ 21.4

Answer:

Step-by-step explanation:

On this one you would eliminate the ones that are negative or that go into a negative. Which would be A,C, and E. The rest that are left are zero or positive. B for example is a zero because eventually there will be no candle. D would be the same in some way, the students will eventually leave the school. Finally F, the temperature would be increasing.

Answer - B,D,F

Answer:

Prime numbers between 70 and 80 are 71,73,79

71+73+79=223

50 =2x5x5=2x5^2

The temperature at 2 PM will be  x +16°F

Temperature is a phrase used to describe the degree of heat or cold on any scale, including Fahrenheit and Celsius. A thermometer is used to determine temperature. It is calibrated using different temperature scales that historically defined themselves using different reference points and thermometric substances.

The most popular scales are the Celsius scale, also known as "centigrade," with the unit °C, the Fahrenheit scale, with the unit °F, and the Kelvin scale, with the unit K. The latter is primarily used for scientific research and is the primary temperature scale specified by the International System of Units (SI).

Let temperature at 6 AM be x°F

Time difference between 2 PM and 6 AM:

Δt = 14 -6

 = 8 hour

increase in temperature after every 1 hour = 2°F

increase in temperature in 8 hour will be:

ΔT = 2 * Δt = 2*8 = 16°F

Temperature at 2 PM will be = x + ΔT

                                                = x +16°F

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Answer:

3  4 if u wanna go father 1.5   2

Step-by-step explanation:

Answer:

24 is the lcd for 6 and 8..

Answer:

Option C.

Ground level = 0 foot

Hole = -3 feet

Dirt pile = 3 feet

Answer:

Weight in Kilograms = 0.8 Kilograms

Weight in grams = 800 grams

Step-by-step explanation:

Tyler has a baseball bat that weighs 28 ounces.

a) Weight in Kilograms

From the question:

1 kilogram = 35 ounces

Hence:

35 ounces = 1 kilogram

28 ounces = x kilogram

Cross Multiply

35 × x = 28 × 1

x = 28/35

x = 0.8 kilograms

b) Weight in grams

1 kilogram = 1000 grams

0.8 kilogram = x

Cross Multiply

x = 0.8 × 1000 grams

x = 800 grams

Answer:

b

Step-by-step explanation:

if you say 1<2 and multiply both by negative 3 you will have -3 > -6

Answer:

Step-by-step explanation:

When you multiply both sides by a negative value you make the side that is greater have a "bigger" negative number, which actually means it is now less than the other side! This is why you must flip the sign whenever you multiply by a negative number. You can also consider this with a number line.

I hope this helps!

Answer: definitely B

Step-by-step explanation: if you buy the balloons for less than you sell, you must subtract what you pay for from the number you are selling it for, but we don't know how many he sold YET so we have a letter filling it in till we do

Answer:

It is 7/24

Step-by-step explanation:

So first you want a common denominator so we have to find the least common multiple of 3 and 8, which is 24.

Next you have to multiply the same to the numerator, I usually go by the phrase whatever you do to the bottom you do to the top. So 8 times 2 is 16 and 3 times 3 is nine.

Everything changed should be 16/24-9/24

then we do 16-9 is 7 and you never subtract the denominators so 2/3-3/8 is 7/24

Answer:

y=k5, 448 after an 8 hour shift

Step-by-step explanation:

The amount of money he will earn for an 8-hour shift is Php448

Let the amount  of money he earns be A

Let the number of hours worked is "h"

If the amount  of money he earns varies directly to the number of hours worked is expressed as:

A = kx

k = A/x

GIven that A = Php 280.00, x = 5 hours

k = 280/5

k = 56

If x = 8 hours, the amount of money A = kx

A = 56 * 8

A = Php448

Hence the amount of money he will earn for an 8-hour shift is Php448

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Answer:

X=2.1 cm

Step-by-step explanation:

24 divided by 6= 4

the bigger triangle is 4 times larger. so you would divide 8.5 by 4 which is 2.1.

Hope this helps!! Also I sorry if I got the answer wrong. I haven't done this type of math in years.

1) x = 5y - 30  

2) x = - 1.6y + 3.3

im assuming these are 2 different questions

Start with the equation:

x - 5y= -30

add 5y to both sides:

x = 5y - 30

Your answer is x = 5y - 30  

Start with the equation:

3x+5y=10

subtract 5y from both sides:

3x = -5y + 10

divide by 3 to get x singular

x = - 1.6y + 3.3

Your answer is x = - 1.6y + 3.3

Hope this helps :)

Answer:

-30h +40 - 60 I think.........

Answer:

They are used to share something among friends , Like if there are four friends and they want to divide a cake equally among themselves , then the quantity of cake that each friend will get will be one-fourth of the cake , That is a rational number 1/4.

Step-by-step explanation:

short answer it won't trust me

Answer:

x = 168

Step-by-step explanation:

A hexagon's total interior angles sums up to be 720, so what you have to do is just subtract.

x = 720-(84+128+150+103+87)

x = 168

Answer:

-9

Step-by-step explanation:

g(-8)=-8-1=-9

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