MATHEMATICS HIGH SCHOOL

Write an equivalent expression in factored for to x squared+3x+4x+12. and
x squared+7x+10

Answers

Answer 1
Answer: (x + 4)(x + 3)
x² + 3x + 4x + 12
x² + 7x + 12

x² + 7x + 10
x² + 2x + 5x + 10
(x + 5)(x + 2)

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The pressure P, of a gas varies inversely with its volume, V. Pressure is measured in units of Pa. Suppose that a particular amount of a gas is initially at a pressure of 84 Pa at a volume of 36 L. If the volume is expanded to 216 L, what will the new pressure be?

Answers

y = k/x is the INVERSE function equation, where k is the constant of variation.
Using Pressure and Volume: P = k/V
The first step is to find k, the constant of variation. This number will not change in the equation for finding volume or pressure.
Using the given data:
 84 = k/36
multiply both sides by 36.
3024 = k so the equation is P = 3024/V
P = 3024 / 216
P = 14

Given: x + 2 < -5. Choose the solution set.

Answers

the answer for ur question is 
x+2<-5
x<-5-2
x<-8

hope this help!!!!


^_^ HAPPY TO HELP U ^_^
you ansewer will be x= -8

Ling works as a pharmacy technician. She is paid $11.50 for every hour she works. She can calculate her earnings by using the equation t=11.50h, where t represents her total pay and h represents her hours worked. How much money will Ling earn if she works for 13 hours? How much money will Ling earn if she works for 13 hours each week for 5 weeks?

Answers

If you would like to know how much money will Ling earn if she works for 13 hours (and for 13 hours each week for 5 weeks), you can calculate this using the following steps:

t = 11.50 * h
t ... total pay
h ... hours worked

h = 13 hours 
t = 11.50 * h = 11.50 * 13 = $149.5
Ling will earn $149.5 for 13 hours.

5 weeks * $149.5 = $747.5
Ling will earn $747.5 if she will work for 13 hours each week for 5 weeks.

Answer:

Ling will earn $747.5 if she will work for 13 hours each week for 5 weeks.

Step-by-step explanation:

i got a 100 on edu

The table below shows data from a survey about the amount of time students spend doing homework each week. The students were either in college or in high school:High Low Q1 Q3 IQR Median Mean σ
College 20 6 8 18 10 14 13.3 5.2
High School 20 3 5.5 16 10.5 11 11 5.4

Which of the choices below best describes how to measure the spread of this data?
A. Both spreads are best described with the IQR.
B. Both spreads are best described with the standard deviation.
C. The college spread is best described by the IQR. The high school spread is best described by the standard deviation.
D. The college spread is best described by the standard deviation. The high school spread is best described by the IQR.

Answers

Answer:

C. The college spread is best described by the IQR. The high school spread is best described by the standard deviation.

Step-by-step explanation:

If data is normally distributed we use Standard deviation otherwise we use Interquartile Range (IQR) for measuring the spread.

Further, data is said to be normally distributed if Mean = Median = Mode.

So, High School data is normally distributed but College data is not.

So, We measure the spread of College data by IQR and High School data by Standard Deviation.

Thus, Option C is the only correct option.

PLZZZ HELPP MEE -11 - (-5) / (2*3) is an example of A. a numerical equation B. an algebraic equation C. an algebraic expression D. a numerical expression

Answers

Answer:

This is a numerical expression or D.

Step-by-step explanation:

It is not algebraic because it doesn't include unknown variables such as x or y

and it is not a numerical equation because equations have equal signs in them such as 5 + 6 = 11

Answer:

it is a numerical expression

Step-by-step explanation:

it is not an algebraic equation because there are no variables say, p or q or any other variables attached or unattached to its coefficients. And no equal sign attached to it.

it is not an algebraic expression.

it is not a numerical equation because it has no equal sign neither is it equating itself to another.

finally, it is a numerical expression because it only consists of numbers and has no equal sign. Or it is not equating to any other solution.

URGENT!!!!! I NEED HELP AYUDA

Answers

4 sorry if I’m wrong
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