MATHEMATICS HIGH SCHOOL

Which of the following expressions is incorrect? A. |-12| = 12 B. |12| = 12 C. -|-12| = -12 D. -|12| = 12

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

Answer 2

Answer:

Answer:

A and D

Step-by-step explanation:

A and D

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do sets always have an intersection that is not the empty set? provide an example to support your conclusion?

Answers

i don't know sorry but you can ask some one else error 404

Find 3 consecutive numbers where the product of the smaller two numbers in 19 less than the square of the largest number?

Answers

Answer is 5, 6, & 7

x = smallest number
y = x + 1
z = x + 2

(x)(y) = z^2 - 19
(x)(x+1) = (x + 2)^2 - 19
(x^2 + x) = (x^2 + 4x + 4) - 19
x^2 + x = x^2 + 4x + 4 - 19

x^2 term drops out from both sides

x = 4x + -15
15 = 4x - x
15 = 3x
15/3 = x
x = 5
y = x + 1 = 6
z = x + 2 = 7

Confirm by substituting back in for the variables:
(x)(y) = z^2 - 19
(5)(6) = (7)^2 - 19
30 = 49 - 19
30 = 30 [OK]

A car rental agency charges $120 per week plus $.12 per mile driven. How many miles did you drive if the total charge is $162?

Answers

$\boxed{y=120+0.12x}\n \n y=162\n \n 120+0.12x=162\n \n 0.12x=162-120\n \n 0.12x=42\n \n x=(42)/(0.12)\n \n \boxed{\boxed{x=350 \ miles}}$

Wade's grandmother gave him $100 for his birthday. Wade wants to save his money to buy a new MP3 player that cost $275. Each month, he adds $25 to his MP3 savings. Write an equation in slope-intercept form for x, the number of months that it will take Wade to save $275

Answers

Answer:

The answer is:

275 = 25X + 100

Step-by-step explanation:

1.The equation for the slope- intercept is:

y = mx + b

2. Recognize and value variables

x = number of months

y = the expected range to arrive

m = is the amount Wade earns per month

b = the amount of money saved.

3. Solve the equation for X which is the unknown.

275 - 100 = 25X

175 / 25 = X

X = 7

4. . Show the result

275 = 25(7) + 100

275 = 275

5. Wade will take 7 months to buy your MP3 if he saves 25 for each month.

7 months because after the 100 dollars u add u 25 7 times to get 275

Part 1 : angle-angle-side , angle-side-angle, hypotenuse-leg, side-side-angle, side-angle-side,angle-angle-angle, side-side-sidePart 2 : can be proven congruent or cannot be proven congruent

Geometry

Answers

Answer:

The two triangles are related by Angle-Side-Angle (ASA), so the triangles can be proven congruent.

Step-by-step explanation:

As you can see in the images provided, the triangles have 2 congruent corresponding angles accompanied by a congruent corresponding side. This leaves you with the answer choice of the ASA Theorem.

How do I write 2•r•r•t•t as exponents?

Answers

2 * r^2 * t^2 is the answer

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