MATHEMATICS HIGH SCHOOL

What is a correct first step in solving the inequality –4(3 – 5x)≥ –6x + 9?

Answers

Answer 1
Answer: Distribute the -4 to the 3 and the -5x.
Answer 2
Answer:

Answer:

the answer is B –12 – 20x ≥ –6x + 9

on Ed genuity

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Which is the most descriptive name for the shape below?shape
A. square
B. rectangle
C. rhombus
D. quadrilateral

Answers

B. Rectangleeeeeeeeeeeeeeeeeee

Answer:

It's either B or D

Step-by-step explanation:

Which do you think it is?

Sarah is twice as old as her youngest brother. If the difference Between their ages is 15 years. How old is the youngest brother

Answers

I'm not to sure but i think it's 15. this question is worded weirdly

The distance an object falls when dropped from a tower varies directly as the square of the time it falls. If the object falls 144 feet in 3 seconds, how far will it fall in 17 seconds?

Answers

Direct variation:
y=kx^2
y - the distance, x - the time

The object falls 144 feet in 3 seconds.
144=k * 3^2 \n144=9k \nk=(144)/(9) \nk=16 \n \Downarrow \n y=16x^2

The object falls y feet in 17 seconds.
y=16 * 17^2 \ny=16 * 289 \ny=4624

In 17 seconds the object will fall 4624 feet.

Question

This is a relatively close question, and I have tried multiple times.  Can you help?

The distance an object falls when dropped from a tower varies directly as the square of the time it falls. If the object falls 144 feet in 3 seconds, how far will it fall in 18 seconds?

Answer:  The one below is correct.

Which expression is equivalent to (12x−5y−1)+(17y−4−13x−3y)?which one is it?

1. −4x+12y−5
2. −x+9y−5
3. −x−25y+5
4. 25x−19y+3

Answers

The expression that is equivalent to the given expression is -x+9y−5. The correct option is 2. −x+9y−5

From the question,

We are to determine the expression which is equivalent to the given expression.

First, we will simplify the given expression

The given expression is (12x−5y−1)+(17y−4−13x−3y)

The expression can be simplified as shown below

(12x−5y−1)+(17y−4−13x−3y)

12x−5y−1+17y−4−13x−3y

Collect like terms

12x−13x+17y−5y−3y−4−1

This becomes

-x+9y−5

The simplified expression is -x+9y−5

Hence, the expression that is equivalent to the given expression is -x+9y−5. The correct option is 2. −x+9y−5

Learn more on simplifying expressions here: brainly.com/question/10618632
Answer:

The correct answer is 2. -x+9y-5

Explanation:

All you have to do is to remove the parentheses, collect the like term and then simply.

I need help finding the solution (x,y) of4x - y = 2
8x + 5y = -3
[Multiply the first equation by 5.]​

Answers

Answer:

x = 1/4

Step-by-step explanation:

20x - 5y = 10

8x + 5y = -3

28x = 7

x = 1/4

Check all that apply. cotθ is undefined for θ = _____. A. 3π/2 B. π/2 C. 0 D. π

Answers

The undefined value of cot \theta = 0, \pi.

What are trigonometric ratios ?

"The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), cotangent (cot), cosecant (cosec), and secant (sec). In geometry, trigonometry is a branch of mathematics that deals with the sides and angles of a right-angled triangle. Therefore, trig ratios are evaluated with respect to sides and angles.

The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), cotangent (cot), cosecant (cosec), and secant (sec). In geometry, trigonometry is a branch of mathematics that deals with the sides and angles of a right-angled triangle. Therefore, trig ratios are evaluated with respect to sides and angles. "

The values of cot theta is undefined for n\pi.

So, 0 , pi , 2pi , 3pi .....npi.

Hence C and D are correct option.

To know more about trigonometric ratios here

brainly.com/question/14746686

#SPJ3
cot theta is undefined for 0 but is a periodic function so it will be again undefined for n\pi
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