MATHEMATICS HIGH SCHOOL

The sum of three consecutive numbers is 84. What is the largest of these numbers? (5 points) a 28 b 26 c 29 d 27

Answers

Answer 1

Answer:

Answer:

Largest number = 29

Step-by-step explanation:

Let the consecutive numbers by (x + 1) ; (x + 2) and (x +3)

x +1 + x + 2 + x + 3 = 84 {Combine like terms}

x + x +x + 1 + 2 + 3 = 84

3x + 6 = 84

3x = 84 - 6

3x = 78

x = 78/3

x = 26

Largest number = x + 3 = 26 + 3

=29

Answer 2

Answer:

Answer:

The answer is c.29

Step-by-step explanation:

I used Google xD

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Simplify the expression. Show your work. 22 + (3^2 – 4^2)

I really don't know can someone help me

Answers

6 + 4 ÷ 2

The "order of operations" (which you learned a long time ago
if you're in high school now) says that division should be done
before addition.

So do the division: 4 ÷ 2 = 2

Now you have 6 + 2

Now do the addition: 6 + 2 = 8 .

you would just divide 4 by 2 so 4 divided by 2 would =2.
Then you would 6+2 which would = 8
So your answer is.......8

I hope that helped:)

jake got 85% of his answers correct on the math test. if there were 20 questions on the test how many did jake get correct?

Answers

20*.85=17 so he got 17 right

What two numbers multiply to be 16 and add to be 9

Answers

There are no numbers that multiply to be 16, and add to be 9.

Unless you meant 8 than there is 4 and 4

If each quadrilateral below is a rectangle find the missing measures

Answers

Answer:

Where is the a. b. c. or d?

Choose the correct simplification of the expression −5x2(4x − 6x2 − 3).30x4 − 20x3 + 15x2
−11x4 − x3 − 8x2
−30x4 + 20x3 − 15x2
30x4 + 20x3 + 15x2

Answers

If you would like to solve -5x^2 * (4x - 6x^2 - 3), you can do this using the following steps:

-5x^2 * (4x - 6x^2 - 3) = (-5x^2) * 4x - (-5x^2) * 6x^2 - (-5x^2) * 3 = -20x^3 + 30x^4 + 15x^2 = 30x^4 - 20x^3 + 15x^2

The correct result would be 30x^4 - 20x^3 + 15x^2.

Answer:

Option A is correct

$30x^4-20x^3+15x^2$

Step-by-step explanation:

The distributive property says that:

$a \cdot (x +y +z) = a\cdot x+ a\cdot y+ a\cdot z$

Given the expression: $5x^2(4x-6x^2-3)$

Using distributive property :

$-5x^2 \cdot (4x) - 5x^2 \cdot (-6x^2) -5x^2 \cdot (-3)$

Use: $x^a \cdot x^b = x^(a+b)$

then;

$-20x^3+30x^4+15x^2$

$30x^4-20x^3+15x^2$

Therefore, the correct simplification of the given expression is $30x^4-20x^3+15x^2$

Find each product or quotient. Use significant digits. 1,370 m 31.7 sa. 43 m/s
b. 43.218 m/s
c. 43.22 m/s
d. 43.2 m/s

Answers

I think you are asking for the quotient of the numbers because base from the choices the units are meters per second and the given has units of meters and seconds. So, the quotient of the numbers is 43.218 meters per second which is option B.

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