MATHEMATICS COLLEGE

5×(10÷10×10)+(8×3-23)=

Answers

Answer 1

Answer:

Step-by-step explanation:

5 ×(10 :10 ×10) +(8 ×3 - 23) =

5 ×(1 ×10) +(24 - 23) =

5 ×10 +1 =

50 +1 =

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2. In an industrial training program, students have been averaging about 64 points on a standardized test. The lecture system was replaced by teaching machines with a lab instructor. There was some doubt as to whether the scores would decrease, increase, or stay the same. A sample of n = 60 students using the teaching machines was tested, resulting in a mean of 68 and a standard deviation of 12. Perform a hypothesis test to see if scores would decrease, increase, or stay the same. Use α = 0.05. Be sure to:1. State your hypotheses. 2. Find the value of the Test Statistic. 3. Find the p-value 4. State your decision (Reject or not) 5. State your conclusion.
A differential equation is given. Classify it as an ordinary differential equation (ODE) or a partial differential equation (PDE), give the order, and indicate the independent and dependent variables. If the equation is an ordinary differential equation, indicate whether the equation is linear or nonlinear. StartFraction d Superscript 4 Baseline y Over dx Superscript 4 EndFraction plus StartFraction d squared y Over dx squared EndFraction plus 8 y equals 5 cosine 4 x Classify the given differential equation. Choose the correct answer below. a. partial differential equation b. nonlinear ordinary differential equationc. linear ordinary differential equation
(4r2 – 3r + 2) – (-r2 – 3r) =
What is the answer to this equation(7x-1)+(9x+5)

HOw far away can a person live from a radio station and hear its broadcast if the signal covers a circular area of 40000 square miles?

Answers

Answer:

The radio station is at the center of a circle with an area of 40,000 square miles. The furthest point that you could hear the broadcast would be on the outer edge of the circle or at the end of the radius of the circle. The formula for the area of a circle is:

Area = π $r^(2)$

So we take what we know and work the formula in reverse.

40,000 = πr²

40,000 / π = r²

12,732.4 = r²

√12,732.4 = √r²

112.84 = r

The radius of a circle with an area of 40,000 square miles is 112.84 miles. This is the furthest point that you would be able to hear the broad cast.

Step-by-step explanation:

Find all missing angles in the diagrams below, please help

Answers

Answer:

x= 80°, y= 100°

Step-by-step explanation:

Please see the attached picture for the full solution.

Answer:

x = 80,

y = 80

Step-by-step explanation:

This is difficult to explain, so here are the theorems used

two lines parallel, with a transversal; alternate interior angles,

verticle angles theorem,

parts - whole postulate,

verticle angles theorem,

parts- whole postulate,

sum angles in a triangle,

supplementary angle, definition straight angle,

parts- whole postulate,

there are many other ways to reach the answer, I just whent this way.

Use the distributive property to remove the parentheses.2x+(6x2-9)
Simplify your answer as much as possible.

Answers

After removing the parentheses using the distributiveproperty, the expression $2x^4 (6x^2 - 9)$ simplifies to $12x^6 - 18x^4.$

We have,

To remove the parentheses using the distributiveproperty, we need to multiply each term inside the parentheses by the term outside the parentheses.

Applying the distributiveproperty to the expression $2x^4 (6x^2 - 9),$ we have:

$2x^4 * 6x^2 - 2x^4 * 9$

Multiplying the terms:

$12x^6 - 18x^4$

Therefore,

After removing the parentheses using the distributiveproperty, the expression $2x^4 (6x^2 - 9)$ simplifies to $12x^6 - 18x^4.$

Learn more about expressions here:

brainly.com/question/3118662

#SPJ2

Answer: 12x^6 - 18x^4

What is the answer to this problem and why 60+60×0+1=

Answers

The answer is 61 because 60+60=120*0=0=1=61

60 + 60 x 0 + 1 = 61

Let's go into the, "why" part!

Try to remember this mnemonic:
PEMDAS

Parenthesis
Exponent
Multiplication
Division
Addition
Subtraction

This is what is called the ORDER of OPERATIONS!

Normally you go straight down the list, but...
Keep in mind that Multiplication and Division are on the same priority. Same with Addition and Subtraction.

So first we look to see if there is any numbers in parenthesis. There is not. Any exponents? Nope!
How about Multiplication or Division?
Yep!!!!! Bingo!

60 + 60 x 0 + 1= ?

Do the multiplication first. 60 x 0 = 0 (Because anything times 0 equals 0)

Addition and subtraction come next!

60 and 0 are out so we are left with!

60 + 1 = ?

61!

Convert the measurements below:
a. 8 millimeters = ____meters

Answers

Answer:

0.008 meters

Step-by-step explanation:

Answer:

0.008 meters

Step-by-step explanation:

Hope this helps! :3

plz mark as brainliest!

WRITE THE expression in complete factored form 2y^2(p-4)-7(p-4)

Answers

For this case we have the following expression:
2y ^ 2 (p-4) -7 (p-4)
The first thing you should observe is the similar terms in both parts of the expression.
We note that the term (p-4) is repeated in both parts of the expression.
Therefore, by doing common factor (p-4) we have:
(p-4) (2y ^ 2-7)
Answer:
The expression in complete factored form is:
(p-4) (2y ^ 2-7)

p - 4 is common to the 2 parts so we have

(2y^2 - 7)(p - 4) Answer

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Hey can you please help me posted picture of question

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