Mathematics High School

Select all expressions that are equivalent to -4(x + 2) – 2x + 4.
a.
-6x – 4
b. 4x + 2 – 2x + 4
C.
- 10x
d. -4x + -8 - 2x + 4
e. -4X – 2x - 8 + 4

Answers

Answer 1

Answer:

A,D,E

Step-by-step explanation:

-4(x + 2) – 2x + 4

=-4x-8-2x+4    D

=4x-2x-8+4     E

=-6x-4             A

Hope it helps!

Related Questions

Como repartir 5,20 dolares en cuatro partes iguales?

Answers

Answer:

Por ejemplo, podrías utilizar la división para determinar cómo repartir 40 ... 15 ÷ 5 = 3. Podrías también usar la recta numérica para modelar ésta división. ... ¿Cuáles de las siguientes expresiones representan dividir $56 en partes iguales entre 7 ... “5, 10, 15, 20, 25, 30. Debo saltar 6 veces para llegar a 30.” 30 ÷ 5 = 6.

Step-by-step explanation:

What is the mean of the data set? 17, 24, 26, 13 *
Mark only one oval.
4
13
20

Answers

Answer:20

Step-by-step explanation: 17+24+26+13=80

Divide by how many numbers there are. Answer: 20

Answer:

20

Step-by-step explanation:

Mean = Sum divided by the number of terms

(17+24+26+13)/4

(80)/4 = 20

Mean = 20

Point P' is the image of the point P after a counterclockwise rotation of 90 degress about the origin. If the coordinates of point P' are (-7,-3) what are the coordinates of point P?
A. (-3,-7)
B. (-3,7)
C. (3,-7)
D. (3,7) ​

Answers

Ok I will give brainliest the answer I can give her a

hey i kinda need help on this question
(could you do a step by step method i think it would help a lot)

Answers

Answer:

27.6°

Step-by-step explanation:

6.5²-6² = 6.25

✓6.25 =2.5

^^^ that was Pythagoras theorem

9+2.5 = 11.5

23-11.5 =11.5

6 = height =opposite

11.5 = base = adjacent

sohcahtoa

use Tan

Tan-¹(6/11.5)

gives the angle CDA = 27.5528...

27.6 (1d.p)

Help me please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

Step-by-step explanation:

pythagorean theorem

12^2 + 5^2 = PQ^2

144 + 25 = 169

[tex]\sqrt{169}[/tex] = 13

answer = 13 units

yo i need help on my exit ticket please i don’t need no links i just need the answer pleaseeeee

Answers

Answer:

B

Step-by-step explanation:

V=[tex]\pi r^{2} h[/tex]

V=3.14*[tex](16/2)^{2}[/tex]*3

V=3.14*[tex]8^{2}[/tex]*3

V=3.14* 64*3

V=602.88 which rounds up to 602.9

Someone help! I'll give brainslist​

Answers

Answer:

square root of 202

Step-by-step explanation:

9^2+11^2=x^2

81+121=202

Mayne is 28 years old. She is 12 years older than 2/3 of Laurels age. Which equation can be used to find Laurels age, a?

Answers

Answer:

B. ⅔a + 12 = 28

Step-by-step explanation:

Here are the options to this question

) ⅔ + 12a = 28

b) ⅔a + 12 = 28

c) ⅔a + 12a = 28

d) -⅔a + 12 = 28​

Mayne's age can be represented with this equation =

28 = 12 + 2/3a

where a = laurels age

Select the correct answer.
A news website is interested in knowing which other sites its users visit for their technology news, so it sends an email survey to 10,000 of its
registered users selected at random. For what type of bias are the survey results at risk?
OA. The survey results are not at risk for any blas.
OB. The survey results are most at risk for undercoverage.
OC. The survey results are most at risk for nonresponse blas.
OD
The survey results are at risk for nonresponse blas and undercoverage.

Answers

Answer:

its c. The survey results are most at risk for nonresponse bias. please mark me the brainliest :)

Step-by-step explanation:

Answer:

Give other guy brainliest!!

Find the slope of the line that passes through the points (0,-5) and (-2,-3).​

Answers

Answer:

the slope is -1

Step-by-step explanation:

formula for slope is (y2-y1)/(x2-x1)

lets say (-2,-3) is (x2,y2)

-3-(-5)=2

-2-0=-2

2/-2=-1

Find the value of x in the triangle shown below.
24 74

Answers

Answer:

x =82

because 180 - (24 + 74)= 82

8. (1 point)
A kayaker estimates the angle of elevation to the top of a cliff to be 20°.
He paddles closer to the cliff and the angle of elevation changes to 45°.
How you would determine the distance to the cliff, if it is possible?
a.
not possible
b. the cosine law
c. primary trigonometric ratios
d. the sine law

Answers

Answer:

a. not possible

Pythagorean
Diego props a 10ft ladder against the wall how high up will the ladder reach if the foot of ladder is 5 feet away from the wall ?

Answers

Answer:

5√3 ft

Step-by-step explanation:

If the ladder is 10ft tall, then that represents the hypotenuse. If the foot of our ladder is 5ft away from the wall, that is a side length that we know. Using the Pythagorean Theorem, a²+b²=c², where a and b are side lengths of a right triangle, and c is the hypotenuse, we can solve for the missing side length:

a²+b²=c²

(5)²+b²=(10)²

25+b²=100

b²=75

b=√75

b=5√3

So the ladder will reach a height of 5√3 ft.

Simplify .8 Times Square root of 100y^16

Answers

Answer:

8y^8

Step-by-step explanation:

math

Meaning of the word break-even​

Answers

Answer:

Breakeven is often used in finance, it means the point of reaching a balance.

Step-by-step explanation:

42 - 35 = 8 - 12 + t
What does t mean?

Answers

I think t = 11:
42 - 35 = 8 - 12 + t
7 = 8 - 12 + t
7 = -4 + t
7 + 4 = t
11 = t

Im sorry if this is wrong

not sure which one is it

plz help

Answers

the last one is correct answer

is the sequence below is arithmetic {1, 8, 27,64}

Answers

Answer:

No

Step-by-step explanation:

No, because 8 - 1 ≠ 27 - 8. So, there is no common difference which is needed in order for the sequence to be arithmetic

What is the median of the data set?
17, 18, 20, 22, 24, 25, 30
A. 17
B. 30
C. 7
D. 22
Please help I will give brainiest!!!

Answers

Answer:

D. 22

22 is in the middle

There are three numbers on both sides of 22 so it makes it even and 22 ends up being in the middle.

Hope this helps

Pete adds 78 to the data set below
20,32,32,45,50

Which statement below is true?

A. The mode will increase
B. The mean will decrease
C. The median will remain the same
D. The interquartile range will decrease

Answers

The correct answer is letter A

A city has a population of 310,000 people.Suppose that each year the population grows by 6.5% . What will the population be after 9 years?

Answers

Answer:

546,397 people

Step-by-step explanation:

We solve for the above question, using the formula for Exponential growth

The formula is given as

P(t) = Po (1 + r)^t

Po = Initial population = 310,000

r = Exponential growth rate = 6.5% = 0.065

t = Time in years = 9

P(t) = Population size after time t

Hence:

P(t) = 310,000 × (1 + 0.065)⁹

P(t) = 546,396.82088 people

Approximately =546,397 people

The population will be 546,397 people after 9 years.

There are 5 trucks for every 8 cars in a parking lot. If there are a total of 112 cars in the parking lot. How many trucks are there?
the

Answers

Answer:

There are 70 trucks

Step-by-step explanation:

trucks : cars:  

5            8      

Take 112 cars and divide by 8 cars

112/8 =14

We need to multiply each number by 14

trucks : cars:  

5*14            8*14

70                112

There are 70 trucks

Find the volume of this sphere

Answers

I’m going say it’s 33.51.

i’m not 100% sure because i was always taught to use V = 4/3 π r³ to find the volume of a sphere and i just assume that’s what everyone else does.

But, when i used this formula, i was getting 8.38 but when i got that answer i pressed the equals sign again, twice (don’t ask why, i don’t know haha), and got 33.51.


This is probably no help at all but i hope it’s the right answer

what is the circumstance of a bicycle tire with a radius of 11 inches?

Answers

Circumference = 2 x r x pi

Circumference = 2 x 11 x pi

Circumference = 22pi or 69.08 inches depending on what format the answer is supposed to be in.

Answer:

Solution :-

Circumference = 2πr

Circumference = 2 × 3.14 × 11

Circumference = 22 × 3.14

Circumference = 69.08 in

[tex] \\ [/tex]

Divide. (– 6t + t^3 – 4) ÷ (t + 2)
a. t^2-8t+12
b. -t^2+3t+2
c.t^2-2t-2
d. -6t^2+13t-30

Answers

Answer:

 t2 - 2t - 2 or C. - Hope it helps!

Kenny bought 3 pounds of Beef on sale for $1.25 per pound at HEB. If Kenny gave the cashier $10.00, how much change would he receive from this purchase?

Answers

Answer:

Step-by-step explanation:

Write the decimal as a fraction or a mixed number in simplest form.

−2.7 But it is infinite its .777777777777777777777777777777777777777777777777777777777777777777777777777777 for ever

Answers

Answer:27777777777777/10000000000000

Step-by-step explanation:A decimal that keep repeating over and over again is called a repating decimal or irrational numbers as the classifying numbers that these.

Answer:

87.9990

Step-by-step explanation:

−2.7¯¯¯

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x - 1)?
o
AO
12

Answers

I think it is 0, but im sorry if it is wrong

Answer:

x=0

Step-by-step explanation:

First distribut the 6 and 2

6x+6-5x=8+2x-2

Then put the x to one side and the coefficients to the other side

6x-2x-5x=8-2-6

Simplify

-x=0

x=0

By the way, can you follow me on Brainly?

Thanks!

Answer quick please!

Answers

Answer:

25%

Step-by-step explanation:

Can someone help explain this to me?​

Answers

Step-by-step explanation:

A. y-5=-4x+4

y=-4x+4+5

y= -4x +9

(0,9)(9/4,0)

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