Can someone please help me with these 3 questions?

Answer:

Step-by-step explanation:

1) 0

2) 19

3) -6

4) -27

5) -35

6) 20

7) -75

8) -8

9) 183

10) 0

please give award!

Answer:

D: 0.50x+15

Step-by-step explanation:

batteries used(each)- x, so you add the x in front of 0.50 representing multiplication between the #

you are doing total cost so you are doing addition (obvously) then its a plain $15 for the toy itself therefore,

y=0.50x+15               (hope this made sense)

Answer:

-6x-4

Step-by-step explanation:

Combine 6x and −12x to get −6x.

−6x−7+3

Add −7 and 3 to get −4.

−6x−4

Answer:

-6x-4

Step-by-step explanation:

6x-12x

-6x

-7+3

-4

-6x-4

9514 1404 393

Answer:

  (k -6)

Step-by-step explanation:

The given quadratic is a perfect square, so has one repeated binomial factor:

  k^2 -12k +36 = (k -6)^2

Answer:

Someone hurry and help me and this person answer this becuase this s on my test  and we need help

Step-by-step explanation:

Answer:

C. y<3

Step-by-step explanation

got it right on edge

Answer:

See below

Step-by-step explanation:

Solving inequality:

3 of provided answers are correct:

If given correct, any combination of two can be shown as answer:

Answer:

-12 and -9

Step-by-step explanation:

I just answered the problem on a quiz

Answer:

Hold up i know the answer.

Step-by-step explanation:

Answer: 2/3

Step-by-step explanation:

Books per month is books divided by months

she read 2 books in 3 months, so divide 2/3

2/3 is your answer

Fraction in simplest form is  [tex]\frac{2}{3}[/tex] .

Given Lillian read 2 books in 3 months.

So, He read books in one month is  [tex]\frac{2}{3}[/tex].

Hence Lillian reads  [tex]\frac{2}{3}[/tex] books per month.

For more details on unitary method follow the link:

https://brainly.com/question/12116123?

Answer:

1

Step-by-step explanation:

1 ÷ 10 = 0.1

hope this helped

Answer:

0.7 1/3 0.8333 repeating yo no hablo espanol

Step-by-step explanation:

7 / 10 is 0.7 , 1 / 3 is 1/3, 5 /6 is 0.8333 repeating

Answer:

1,5,25,125,

all can be added or multiplied to equal 125

Answer:

#27 is 2x+5°=5

x+59°=59

#28 is x+64°=64

3x+26°= -26

#29 is 2x+17°=17

x+77°=77

#30 is x+97°=97

2x+32°=32

Step-by-step explanation:

remember what i told you +=positive -=negative

hope this helped you out!

Answer:

so I am not sure what fiction you are talking about but in order to solve you would substitute 0 in for x in the function. this would represent the y intercept.

Answer:

y= 2x + 6

Y=2x + 6

Step-by-step explanation:

The graph of this system of equations will have two lines exactly on top of each other.

Answer:

54

Step-by-step explanation:

multiply 9 and 7 which is 63. then multiply 63 by 150 which is 9,450. then multiply 25 and 7 which is 175. then divide 175 and 9,450. and the answer is 54. Yw!!

We need to write and solve an algebraic equation to find the final company's balance.

The answer is: The final balance is -$275.

Let's see how to get that.

First, we know that the company earns $150 per week for 9 weeks, then the total amount of money that the company earns in these 9 weeks is:

$150*9 = $1,350

Then the company losses $65 per week for 25 weeks, then the amount that the company losses is:

$65*25 = $1,625

The final balance will be the difference between what the company earned and what the company lost, then the final balance is:

balance = $1,350 - $1,625 = -$275

This means that the company's final balance is -$275.

If you want to learn more, you can read:

https://brainly.com/question/24770120

Answer:

B

Step-by-step explanation:

Given

- 9x³ - 12x² - 4x ← factor out - x from each term

= - x(9x² + 12x + 4) ← perfect square

= - x(3x + 2)(3x + 2)

= - x(3x + 2)² → B

-9x^3-12x^2-4x

Factor out -x from the expression

-x×(9x^2+12x+4)

Using a^2+2ab+b^2=(a+b)^2 Factor the expression

-x×(3x+2)^2

now we do the same thing only different way ok

9x^2+12x+4

write the number in the exponential form with an exponent of 2

3^2 x^2+12x+4

write the expression as a product with the Factors 3x and 2

3^2 x^2 +2×3x×2+4

write the number in the exponential form with an exponent of 2

3^2 x^2+2×3x×2+2^2

Multiply the terms with equal exponents by multiplying their bases

(3x)^2+2×3x×2+2^2

Using a^2+2ab+b^2=(a+b)^2 Factor the expression

(3x+2)^2

Solution: -x×(3x+2)^2

answer:B

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Answer:

x = 3

Step-by-step explanation:

8(x+2) = 40

8x + 16 = 40

8x = 24

x = 3

Step-by-step explanation:

H0: u = 150

H1: u ≠ 150

Total sum = 15933.24

N = 100

Mean = 15933.24/100

= 159.3324

σ² = 25954.03 - (159.3324)²/100

σ² = 556.213

σ = √556.213

σ = 23.8162

Testing hypothesis

t = (bar x - u)/ σ/√n

= 159.3324-150/23.8162/√100

= 3.91

We will have a p value of 0.02

0.0002 < 0.01

We reject null hypothesis at 1% level of significance

C. Mean = 159.3324

Se= 2.3936

Df = 100-1 = 99

Critical value at 0.01 = +-2.626

T = x-u/s.e

= -2.626 =( x -150)/2.3936

When we cross multiply and solve this

X = 143.714 for the lower tail

2.626 = (x-159)/2.3936

= 156.286 for upper tail.

We therefore reject H0 at

Bar X <= 143.71

Bar X >= 156.286

At 10%

Critical t = 1.660

-1.660 = (x - 150)/2.3936

Solving this ,

X =146.02 at the lower tail

1.660 = (x-150)/2.3936

X = 153.97

We reject H0 at

X<= 146.03

X>=153.97

Answer: 1

Step-by-step explanation: 863x14ysqrt9= 3 simplified is 1

Answer:

−s2+2st−t2−s+t

Step-by-step explanation:

−(s−t)−(s−t)2  

distributed would be

−s+t+−s2+2st+−t2

Answer:

Below in bold.

Step-by-step explanation:

-(s - t) - (s - t)^2       Take out  (s - t):

= (s - t)( -1 - (s - t)

= (s - t)(t - s - 1). <----  Factored form.

Or, if you want to  expand the expression:

-(s - t) - (s - t)^2

= - s + t - (s^2 - 2st + t^2)

= -s^2 + 2st - t^2 - s + t.

Answer:

The simultaneous inequation representing the recomended storage temperature is:

[tex]50\,^{\circ}F \leq T \leq 55.4\,^{\circ}F[/tex]

Step-by-step explanation:

In this case, the statement must be represented mathematically by a simultaneous inequation, in which temperature must be equal to or greater than 10 ºC, expressed in Fahreheit degrees, and equal or less than 13 ºC, expressed in Fahrenheit degrees.

Bounds can be converted into Fahrenheit degrees from Celsius degrees:

[tex]T_{F} = \frac{9}{5} \cdot T_{C}+32\,^{\circ}F[/tex] (Eq. 1)

Where:

[tex]T_{C}[/tex] - Temperature, measured in Celsius degrees.

[tex]T_{F}[/tex] - Temperature, measured in Fahrenheit degrees.

Lower bound ([tex]T_{C} = 10\,^{\circ}C[/tex])

[tex]T_{F} = \frac{9}{5}\cdot (10\,^{\circ}C) + 32\,^{\circ}F[/tex]

[tex]T_{F} = 50\,^{\circ}F[/tex]

Upper bound ([tex]T_{C} = 13\,^{\circ}C[/tex])

[tex]T_{F} = \frac{9}{5}\cdot (13\,^{\circ}C) + 32\,^{\circ}F[/tex]

[tex]T_{F} = 55.4\,^{\circ}F[/tex]

The simultaneous inequation representing the recomended storage temperature is:

[tex]50\,^{\circ}F \leq T \leq 55.4\,^{\circ}F[/tex]

Answer:

A and C if this was ABCDE

Step-by-step explanation:

150 times 3 plus 22 would equal 450 plus 22 which is 472,

265 times three is 795 plus 22 is 817,

for the BDE, 175 times 3 is 525 plus 22 is 547, 300 times 3 is 900 plus 22 is 922, and 345 times 3 is 1035 plus 22 is 1057

Answer:

center of gravity

Step-by-step explanation:

Answer:

z = 50

x = 26

Step-by-step explanation:

set 3z + 10 = 4z - 40 and solve: z = 50

create equation for 5x:

5x + 50 = 180, solve: x = 26