this is for pre-calc can someone pls help

Answers

Answer 1

Answer:

Question 18: 453,600

Step-by-step explanation:

Related Questions

Which of the following expressions is equivalent to 3m(m - 2) - (m^2 + 1)
A. 2m^2 - 1
B. 4m^2 - 1
C. 4m^2 - 6m + 1
D. 2m^2 - 6m - 1

Answers

I think the answer must be b

Please help lol can't figure it out help

Answers

Answer: A- 3 3/10 feet

Step-by-step explanation:

Multiply 5 and 1/2 by 3/5 to get 3 and 3/10 feet. I prefer decimals so you could use 5.5 x 0.6 and get 3.3. It's the same thing but if it's in fractions you should multiply by using fractions.

George hiked from the top of a hill to the valley floor. The elevation at the top of the hill is 127 feet above sea level. The valley floor is 52 feet below sea level. George stopped at a rest stop that is at an elevation exactly halfway between the top of the hill and the valley floor. What is the elevation, in feet, of the rest stop? Show your work

Answers

Answer:

The elevation of the rest stop is 37.5 feet above sea level.

Step-by-step explanation:

Given that the elevation at the top of the hill is 127 feet above sea level and The valley floor is 52 feet below sea level.

So, the total length from the top of the hill to the valley floor

[tex]l= 127+52 = 179[/tex] feet

So, length of halfway [tex]= l/2=179/2=89.5[/tex] feet ...(i)

Assuming that the stop for rest, the halfway between the top of the hill and the valley floor, is at x feet above sea level.

So, the length between the stop position and the valley floor [tex]= 52 +x[/tex] feet.

As the stop position is at half-way, so by using equation (i), we have,

[tex]52 + x = 89.5 \\\\\Rightarrow x =89.5-52 \\\\[/tex]

[tex]\Rightarrow x=37.5[/tex] feet

Hence, the elevation of the rest stop is 37.5 feet above sea level.

9. Original price of a CD: $17,00 Discount: 50%

Answers

Answer:

$34.00

Step-by-step explanation:

This is because if you divide 17 by 0.50 that equalls34 the orginal price

17/0.50=34

If someone does every answer I’ll give brainliest show work too

Answers

68% is 0.68 and 17/25

3/8 is 0.375 and 37.5%

0.875 is 87.5% and 7/8

alyssa got 40% right

4m+t is -18

t/mr is 1/6 or 0.16 repeating

3m-5t is -2

mt/r is -2

89 x 89, whats the answer?

Answers

Answer:

7921 is the correct answer

Answer:

7,291

Step-by-step explanation:

Just multiply. 89 x 89

4.89 is this a rational or a irrational

Answers

Answer:

Rational because it isn't a repeating decimal

Step-by-step explanation:

Hi can you guys help me please?!

Answers

Answer:

7B, 8C, 9D, 10A

Step-by-step explanation:

Which of the binomials below is a factor of this trinomial?
+ 12x+32
O A. x-2
O B. x+ 2
O C. X-4
O D. X+4
PLEASE HELP!!

Answers

x-4 is thr right one i’m my onion

Can you help me with this?

Answers

Not too sure, but I think X = 39

Mr. Stokes bought 6 1/2 pounds of meat for a party. He used 2 1/4 pounds of meat to make tacos. The rest he used to make 1/4 pound burgers. How many burgers did Mr. Stokes make?

Answers

9514 1404 393

Answer:

Step-by-step explanation:

The remaining amount of meat is ...

6 1/2 - 2 1/4 = 4 1/4 = 17/4 . . . pounds

The number of 1/4 pound burgers that can be made with that amount of meat is ...

(17/4)/(1/4) = 17/1 = 17

Mr. Stokes made 17 burgers.

solve 3(x-4) = 12x. circle your final solution

Answers

Answer:

9x-12

Step-by-step explanation:

3*x = 3x

3*-4= -12

3x - 12 = 12x

12x-3x = 9x

9x-12

Answer: x = -4/3

Step-by-step explanation:

3(x−4)=12x

Step 1: Simplify both sides of the equation.

3(x−4)=12x

(3)(x)+(3)(−4)=12x (Distribute)

3x+−12=12x

3x−12=12x

Step 2: Subtract 12x from both sides.

3x−12−12x=12x−12x

−9x−12=0

Step 3: Add 12 to both sides.

−9x−12+12=0+12

−9x=12

Step 4: Divide both sides by -9.

-9x/-9 = 12/-9

x = -4/3

A person rents a moving truck for the day. There is an initial rental fee of $20 and an additional $0.25 every mile driven. Write the equation representing cost, C(m) as a function of the number of miles traveled, m.

C(m)=

Answers

Answer:

Step-by-step explanation:

cost is 20 fee + .25 per mile.

c =20+0.25m

how come nothing feels real anymore? i've searched and i can't find why. all of my feelings and surroundings seem fake. i've felt like this for over a week straight so far, and this feeling has happened before but it's only lasted like a day or less. i can't get rid of the feeling, and i just wanna escape it. i feel like i'm not in "my" body. like my hands aren't my own, and i dont have complete control over them. when i look in the mirror, it's like it's not actually me looking back. no matter how many people are around me, it feels like they're all fake and aren't actually there. like this isn't the world i'm actually in. it's driving me insane and i just have the constant feeling that i want to cry and escape this. i can't tell my parents this, because they'll just say i'm being dramatic or just don't want to do my work or something like that. just please help me understand what's going on, or if there's anything i need to do. please. (i put this up for 50 points)

Answers

Answer:

I also have felt like this recently. Try talking to someone about it. :)

Identify the function shown in this graph

Answers

Answer:

i think its d

Step-by-step explanation:

not copying i think

Answer:

C - y = 3x - 2

Step-by-step explanation:

I took the test. Hope this helps! :)

Michael started a savings account with $300. After 4 weeks, he had $350 dollars, and after 9 weeks, he had $400. What is the rate of
change of money in his savings account per week?
Person to answer get prize
Pls help

Answers

Answer:

$12.5

Step-by-step explanation:

all you do is divide the 4 weeks to the $50 he earns and get $12.5 every week.

determine the true statements about trend lines in scatterplot. Check all that apply

Answers

Answer:

what

Step-by-step explanation:

theres no answers?

Answer:

(A) A trend line can be used to make predictions in real-world situations.

(B) A scatterplot that shows no correlation between the variables does not have a trend line.

(D) A regression line and trend line are equivalent terms.

Step-by-step explanation:

Which of the following is a quadratic function?

Answers

A quadratic function is written as ax^2 + bx + c

Where the first term is raised to the 2nd power and the second term includes the x variable.

The answer would be number 2

Can someone help me with this question

Answers

Answer:

It’s c my fren its 40 because you are doing the math as in adding and multiplying..... I tried to help lol tell me if I’m wrong.

Step-by-step explanation:

2x-Y (5y X -6) 3^6y what is that as an expression

Answers

Answer:

The answer is:

2x + 30y^2 × 729^y

if you know this please help

Answers

Answer:

its c hope this helps:)

Step-by-step explanation:

What is x=7 in slope intercept form
Please help

Answers

Answer: x=7 or undefined

Step-by-step explanation:

We can't write x=7 in slope intercept form, since it doesn't have an actual slope or y-intercept. You could put undefined, since the slope is undefined.

help!!! please & explain if can:(

Answers

Answer:

x = 15

Step-by-step explanation:

AEB is a right angle, a right angle is 90 degrees

this means 5x+15 needs to equal 90

plug in 15 for x

5 x 15 + 15 = 90

Rewrite x^2+16x-36 in factored form

Answers

Answer: (x-2)(x+18)

Two numbers that multiply to -36 and also add to 16 are (-2) and (18).

What is the domain of Graph 1

Answers

The domain of a fraction is this set of all possible inputs for the function

Pedro had $235 in his saving account when Jim had $450 in his account. Look at the situation in the image. Which inequality shows when the amount of money in Pedro’s account is greater than the amount of money in Jim’s account?

Answers

Answer:

$450>$235

Step-by-step explanation:

This is because, when 235 is subtracted from 450 there is a great difference thats why $450 is greater than $235

An ice chest contains 7 cans of apple juice, 6 cans of grape juice, 6 cans of orange juice, and 4 cans of mango juice. Suppose that you reach into the container and randomly select three cans in succession. Find the probability of selecting three cans of mango juice.

Answers

Answer:

4/1771

Step-by-step explanation:

Step one:

given

sample space

7 cans of apple juice,

6 cans of grape juice,

6 cans of orange juice, and

4 cans of mango juice

Sample size= (7+6+6+4)

= 23

Step two:

Required

The probability of randomly selecting three cans of mango juice in succession

Note: we are selecting without replacement

let the probability of selecting three cans of mango juice be

the first selection is= 4/23

The second = 3/22

the third= 2/21

[tex]P(x)= 4/23*3/22*2/21[/tex]

[tex]P(x)= \frac{4*3*2}{23*22*21} \\\\P(x)= \frac{4}{23*11*7}\\\\P(x)= \frac{4}{1771}[/tex]

The temperature falls from 3 degrees Celsius to -4 degrees celcius what is the the difference in these temperatures
20 points

Answers

Answer:

Step-by-step explanation:

3 - -4=7

4s - 13 = 51 SHOW ALL WORK

Answers

Answer:

you have to get rid of the numbers and then get rid of the letters until only s is left

Step-by-step explanation:

4s - 13= 51

51+13= 64

4s= 64

64÷4 = 16

s= 16

sami gets £50 for her birthday.She buys a magazine costing £1.95, a bag for £7.50 and a pair of shoes for £24.99.How much does she have left?

Answers

Answer:

15.56

Step-by-step explanation:

mark brainliest k ty

Step-by-step explanation:

50 - ( 1.95+ 7.50+ 24.99) =

50 - 34.44 = 15.56

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