In the equation y = 2x – 3, what is the value of y when x equals -2?

Answers

Answer 1

Answer:

-7

Step-by-step explanation:

Answer 2
Y = 2(-3) - 3
Y = -6 - 3
Y = -9

Related Questions

Please help! It’s due today

Answers

Answer:

y=1x+2

Step-by-step explanation:

Personal finance free help me !! :(( math!!

Answers

Answer:i say c or b either one.

CAN SOMEBODY HELP ME WITH THIS?????? I WILL MARK BRAINLIEST
CAN SOMEBODY HELP ME WITH THIS?????? I WILL MARK BRAINLIEST

Answers

Answer:

2/7 or about 29%

Step-by-step explanation:

2 are blue and there are 7 cards total so 2/7 and 2 divided by 7 is .2857 or .29 (29%).

Answer:

2/7

Step-by-step explanation:

There are 7 envelopes and 2 blue envelopes so the probability that the envelope will be blue is 2/7

The polynomial p(x)=3x^3-19x-30 has a known factor of (x+2). Rewrite p(x) as a product of linear factors. p(x) =

Answers

A linear combination of elements. p(x) =(x-10)(x-19)(x+2)

How do linear factors work?

The first-degree equations that make up a polynomial's linear factors serve as the foundation for higher-order and more complicated polynomials.

The formula for a linear factor is ax + b, and it cannot be factored further.

A polynomial is what?

Sums of terms with the form k xₙ, where k is any number and n is a positive integer, make up polynomials.

According to the provided equation, for instance,

3x+2x-5 is a polynomial;

p(x)=3x3-19x-30

x(x-19)-10 =0

=(x-10)(x-19)(x+2).

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What is the slope? The coordinate plane line has one point on (-4,4) and the other line on (0,-1)
M = -5/4
M = 5/4
M = -4/5
M = 4/5
PLS HURRY!!!!

Answers

the answer is M = -4/5

15 points!! Please help!
What do I do if I have a money problem but the answer is like this, 17.199?
(They don’t say to round)

Answers

Answer:

You need to round thats how you are supossed to do those equasions. I had that before too your supossed to round.

sorry for bad spelling

Step-by-step explanation:

Past experience

w=3(2a+b)-4 when making a the subject

Answers

Answer : w/6 + 4/6 -3b/6 = a

Explanation :
First distribute it which is
=> w= 6a+3b -4
Then start moving the numbers to the left
=> w+4 - 3b = 6a
= w/6 + 4/6 -3b/6 = a

Solve w + (-2) = -18 for w.

w =

Answers

Answer:

Step-by-step explanation:

w - 2 = -18

w - 2 + 2 = - 18 + 2

w = -16

Answer:

-16

Step-by-step explanation:

w + (-2) = -18 w= -16

I need help with solving for x please

Answers

Answer:

1. x = 16

2. 2x + 9 = 41

Step-by-step explanation:

So this is the first step.

2x + 9 + 3x + 1 = 90 (collect like terms)

5x + 10 = 90 (subtract 10 on both sides)

5x = 80 (divide by 5 on each side)

x = 16

Plug in to 2x + 9

2(16) + 9 =

32 + 9 =

41 = 2x + 9

Hope this helps! Have a blessed day!

which point is collinear to the point (0,0)?

A) (1,0)
B) (3,2)
C) (4,1)
D) (1,3)​

Answers

Answer:

All of them are right

Step-by-step explanation:

Are you sure the question was that?

Collinear means that it lies on the same line

Now, from every 2 points passes a unique line

So(0,0) and (3,2) are in a line

(0,0) and (1,0) are in an other line and so on

pls help will mark brainliest!

Answers

He drank 1.5 L on Sunday

Answer:

Step-by-step explanation:

4L 255ml

-

2L 755ml

--------------

1.5L or 1500ml or 1L 500ml

At that rate, how many minutes will it
take for the plane's altitude to change
by -5,400 meters?
Please answer I need to finish this now it’s already past due

Answers

Answer:

It would require 12 minutes for the plane's attitude to change by -5,400 meters.

Step-by-step explanation:

As the altitude (or height) of a plane landing at an airport-changes at a rate of -450 meters per minute.

∴ unit rate = -450 meters/per minute

We have to determine how many  will it  take for the plane's altitude to change  by -5,400 meters.

Altitude change per minute = -450 meters

i.e.

-450 × 1 = -450 meters    (altitude change in 1 minute)

so

-450 × 12 = - 5400 meters  (∴ unit rate = -450 meters/per minute)

At this rate, it would require 12 minutes for the plane's attitude to change by -5,400 meters.

Because -450 × 12 = - 5400 meters

Therefore, it would require 12 minutes for the plane's attitude to change by -5,400 meters.

Nigel wants to average 85% on his four tests. He got 77%, 89%, 78% on his first three tests. What does he need to get on his last test to average 85%?

Answers

Answer:

Step-by-step explanation:

Let x be the value of the test score needed to get 85

Equation

(77 + 89 + 78 + x)/4 = 85                Combine the left side to like terms

(244 + x)/4 = 85                              Multiply by 4

244 + x = 85 * 4

244 + x = 340                                 Subtract 244

x = 340 - 244

x = 96

He needs to get 96 to average out to 85

Amount saved ($)
90
у
80
70
60
50
40
30
20
10
Х
0 1 2 3 4 5 6 7 8 9
Time (weeks) which one is the y-intercept

Answers

Answer:

amount saved

Step-by-step explanation:

Find the difference.
(8x^5+ 6x^3 – 2x² + 10x) – (9x^5– x^3– 13x² + 4) =

Answers

Answer:

Step-by-step explanation:

(8x^5+ 6x^3 – 2x² + 10x) – (9x^5– x^3– 13x² + 4) =

-x^5+7x^3+11x^2+10x-4

2a^(2) – (4b + c); a = –3, b = –2, and c = 1

Answers

Answer:

= 25

Step-by-step explanation:

2 (-3)^2 - (4(-2) + 1)

2 (9) - (-8 + 1)

18 - (-7)

25

An expression is a combination of numbers, variables, and functions such as addition, subtraction, multiplication or division, etc.

The value of the expression 2a² - ( 4b + c ) is 25.

What is an expression?

An expression is a combination of numbers, variables, and functions such as addition, subtraction, multiplication or division, etc.

We have,

2a² - ( 4b + c ) ______(1)

a = -3, b = -2 and c = 1

Substitute a, b, and c in (1)

= 2 x (-3)² - ( 4(-2) + 1 )

= 2 x 9 - ( -8 + 1 )

= 18 - ( -7 )

= 18 + 7

= 25

Thus the value of the expression 2a² - ( 4b + c ) is 25.

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if sec(∞) < 0 and the sin(∞) = 15/17 what is the exact value of cot (∞)

Answers

i’m confused is there a picture

3. You buy items that cost $3.25,
$0.28, and $2.15. What is
the total cost of these items
before tax?
Pls helppp

Answers

Answer:

3.25 + 0.28 + 2.15 = 5.68

Answer:

that is my answer hope it helps you wish you all the best

Step-by-step explanation:

I add the $3.25 $0.28 and then 2.15 and then I got $5.68 for my answer

7. What is the mass of 20.6cm3 of iron if iron
has a density of 7.87g/cm3?
A. 162.1 g/cm3
B. 162.1 cm3
C. 162.1 g/mL
D. 162.1 g

Answers

Answer:

Option B

Step-by-step explanation:

Subscribe to RANDOM TOPICS TRENDING on youtub. Thank you.

1/4(4+x)=4/3

---------------

Answers

4+x=(4/3) x 4 — you multiply both sides by 4 to get rid of the fraction on the left.
4+x=16/3 — then simplify the fraction on the right
x = 1 1/3 — minus 4 from both sides to get x alone

In order to be allowed to go on a field trip to the zoo, 80% of the students in Mrs. Henry's class must pass a pop quiz. If there are 30 students in the class, how many students must pass the quiz?

Answers

Answer:

X = 24

Step-by-step explanation:

Answer:

the answer is 24

Step-by-step explanation:

18. Two planes left an airport at the same time. One flew north at a set speed and the other

flew south at one-and-a-half times the speed of the other plane. Three hours later the planes

were 2400 miles apart. How fast was each plane flying?

Answers

Answer: plane A = 333.33mph

Plane B = 500mph

Step-by-step explanation:

Given data:

Distance between the two planes = 2400miles.

Plane A flew North

Plane B flew south

Solution:

Let v represent plane A.

Let 2v represent plane B.

Distance between the two plane

v + 1.5* v = 3*v

7.5v = 2500miles

v = 333.33mph

Plane B has one and half times the speed of plane A

= 1.5 * 333.33

= 500mph

Help meeeee plssss!!!!!!!!

Answers

The slope is -3/4 :)

1.Read the passage given below.
I have found that nothing in life is worthwhile unless you take risks. Nothing.
Nelson Mandela said: “There is no passion to be found playing small, in settling
for a life that is less than the one you are capable of living.”
I am sure your experiences in school… in applying to college… in picking your
major…in doing what you want to do with life, people have told you to make
sure you’ve something to “fall back on”.
But if I am going to fall, I don’t want to fall back on anything, except my faith.
I want to fall forward. At least I figure that way I will see what I am about to hit.
Thomas Edison conducted 1,000 failed experiments. Did you know that? I
didn’t either, because 1,001 was the light bulb.
Fall forward.
Every failed experiment is one step closer to success. You have got to take risks.
And I am sure you’ve probably heard that before. But I want to talk about why
it is so important.
You will fail at some point in life. Accept it. You will lose. You will embarrass
yourself. There is no doubt about it. That’s not a traditional message for a
graduation ceremony.
But, hey, I am telling you- embrace it. Because it is inevitable.
And I should know; in the acting business you fail all the time.
Early in my career, I auditioned for a part in a Broadway musical. A perfect role
for me, I thought- except for the fact that I can’t sing. So, I start to sing and
they are not saying anything. I think I must be getting better, so I start getting
into it. The director cuts me off saying I will be hearing from him.
I assumed I didn’t get the job.
But the next part of the audition, the acting part, he called me back, though I
didn’t get that too.
But here’s the thing. I didn’t quit. I didn’t fall back.
I walked out of there to prepare for the next audition, and the next audition,
and the next one. I prayed and I prayed, but I continued to fail, and failed and
failed.
But it didn’t matter because if you try long enough you’ll catch your break.
And I did catch a break.
On the basis of your understanding of the passage, answer the questions that
follow. (1x5=5)
I. The speaker will fall back only on his
a) savings
b) faith
c) relations
d) physical strength
II. Which of the following does not mean the same as ‘fall forward’ here?
a) try again
b) another attempt
c) retry
d) fall on the ground
III. What are the two things that the listeners would have heard before,
according to the speaker?
1.making sure that one has something to fall back on.
2.one has got to take risks.
3.always settle for what one has
4.every failure is one step close to success.
a) 1 and 2
b) 2 and 3
c) 3 and 4
d) 1 and 3
IV. What is the Literary Device used in the paragraph “I walked out of there
to prepare for the next audition, and the next audition, and the next one.
I prayed, and I prayed, but I continued to fail, and failed and failed.”
a) parallelism
b) hyperbole
c) repetition
d) irony
V. What do you understand about the profession of the speaker from the
passage?
a) singer
b) writer
c) poet
d) actor

Answers

Answer:

singe

writer

poiter

and many many things

which points are separated by a distance of 7 units

A.(1,3) (7,3
B (5,7) (1,7)
C (9,4) (2,4)
D (3,5)(4,5)

Answers

Answer:

C (9,4) (2,4)

Step-by-step explanation:

The equation x = -7y^2 describes a parabola. Which way does the parabola
open?

Answers

Answer:

left

Step-by-step explanation:

y²=4ax opens right.

y²=-4ax opens left

x²=4ay opens up

x²=-4ay opens down.

Your payment is $515 per month for 24 months and you made a 3,000 down payment ?

Answers

Answer:

is this a question?

Step-by-step explanation:

if it is, your correct

()) What is 8 cubed? Submit​

Answers

Answer:

512

Step-by-step explanation:

8 to the 3rd power is 512

Which is the best estimate of each percent?

32% of 19

A. 0.6
B. 600
C. 60
D. 6

Answers

Answer:

Option D

Step-by-step explanation:

In order to find the answer to this question you need to multiply the precent by the number and then divide by one-hundred.

[tex]32=19[/tex]

[tex]32\times19=608[/tex]

[tex]608\div100=6.08[/tex]

[tex]6.08=6[/tex]

[tex]=6[/tex]

Hope this helps.

Container A and container B have leaks. Container A has 800 ml of water, and is

leaking 6 ml per minute. Container B has 1000 ml, and is leaking 10 ml per minute.

How many minutes will it take for the two containers to have the same amount of

water?

**Write an equation to represent the situation (first blank). Use the variable m, for

minutes.

**Then solve for m (second blank).

**Finally, use your solution to determine the water level at that time (third blank).

The equation

can represent this situation. It will take

minutes for the two containers to have the same amount of water. At this time,

both containers will have ml left.

Answers

Answer:

a) 50 minutes

b) The water level at 50 minutes for Container A and B would be 500ml

Step-by-step explanation:

a) Let number of minutes at which both containers leak be represented by m.

Container A has 800 ml of water, and is leaking 6 ml per minute.

800ml - 6ml × m

800 - 6m

Container B has 1000 ml, and is leaking 10 ml per minute.

1000ml - 10ml × m

1000 - 10m

How many minutes will it take for the two containers to have the same amount of water?

Container A = Container B

800 - 6m = 1000 - 10m

Collect like terms

-6m + 10m = 1000 - 800

4m = 200

m = 200/4

m = 50 minutes

It will take 50 minutes for the two containers to have the same amount of water.

b) Finally, use your solution to determine the water level at that time.

Since m = 50 minutes

Container A = Container B

800 - 6m = 1000 - 10m

800 - 6 × 50 = 1000 - 10 × 50

800 - 300 = 1000 - 500

500 ml = 500 ml

Therefore, the water level at 50 minutes is 500 ml

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