115 - 12
4
-21 + 9
2) Simplify:
1-2811
A. -24
3
B.
4
C.
3
4
1
D. 2
4

115 - 124-21 + 92) Simplify:1-2811A. -243B.4C.341D. 24

Answers

Answer 1

Answer:

by my calculator I got 2.25


Related Questions

The coldest day in ohio clocked in at 40 below zero. In one day though the temperature changed to 20 below zero How much temperature change was there that day

Answers

40 below 0 would be -40 and 20 below 0 would be -20°. So there’s a change of (increase of) 20° that day. It would also make sense if you drew a number line. You would see the interval between -40 and -20 is 20.

The parent function of a quadratic equation is vertically
stretched by a factor of 2, then translated 5 units to the
right and 1 unit down. Write the equation of the new
function.

Answers

Answer:

2-15-21

Step-by-step explanation:

that

Write the standard form of the equation.

y = x + 3

If someone could also explain how to get the answer that would be great, but you dont have to​

Answers

Ax+by=c
y=x+3

subtract x from both sides
Y-x=x-x+3
Y-x=3

-1•(y-x)=-1•3
-y+x=-3

Reorder:

X-y=-3

I’m not sure if it’s 100% correct but that’s all I can do


What is the slope of the line that passes through the points (8, 4)(8,4) and (20, -4) ?(20,−4)? Write your answer in simplest form.

Answers

I think that the answer is

Y= -0.66x+9.33

please help!!! due tmrw and I don't understand it :(​

Answers

Answer:

for quest

Step-by-step explanation:

For part A of question 4:

The sales tax is .99¢

So the total is $15.99

x−5/8=2x−1 solve for x

Answers

Answer:

[tex] if \: \frac{x - 5}{8} = 2x - 1) \times 8 \\ x - 5 = 16x - 8 \\ 15x = 3 \\ x = \frac{15}{3} \\ \therefore \: x = 5 \\ if \: your \: quetion \: is \\ x - \frac{5}{8} = 2x - 1) \times 8 \\ 8x - 5 = 16x - 8 \\ 8x = 3 \\ x = \frac{3}{8} \\ try \: to \: use \: brackets \: next \: time[/tex]

5x + 8 + 3x + 4 = -40 +4

Answers

Answer:

x=-6

Step-by-step explanation:

Answer:

[tex]x=-6[/tex]

Step-by-step explanation:

[tex]5x+8+3x+4=-40+4[/tex]

⇒ Subtract 4 from both sides:

[tex]5x+8+3x+4-4=-40+4-4[/tex]

[tex]5x+8+3x=-40[/tex]

⇒ Combine like terms:

[tex]5x+3x=8x[/tex]

[tex]8x+8=-40[/tex]

⇒ Subtract 8 from both sides:

[tex]8x+8-8=-40-8[/tex]

[tex]8x=-48[/tex]

⇒ Divide both sides by 8:

[tex]\frac{8x}{8}=\frac{-48}{8}[/tex]

[tex]x=-6[/tex]

________________________

What is the quotient of 4.644 x 10^8 and 6.45 x 10^3 expressed in scientific
notation?

Answers

Answer:

7.2 x 10^4

Step-by-step explanation:

The quotient of 4.644 x 10⁸ and 6.45 x 10³ expressed in scientific notation is 7.2 x 10⁴.

What is the quotient of division?

The quotient of 4.644 x 10⁸ and 6.45 x 10³ expressed in scientific notation, is calculated as follows;

(4.644 x 10⁸) / (6.45 x 10³) = (4.644 / 6.45) x (10⁸ / 10³)

Calculating the division:

= 72,000

Now, we need to express the result in scientific notation. Move the decimal point to the left until there is only one non-zero digit to the left of the decimal point.

= 72,000

= 7.2 x 10⁴

So, the quotient of 4.644 x 10⁸ and 6.45 x 10³ expressed in scientific notation is approximately 7.2 x 10⁴.

Learn more about quotient here: https://brainly.com/question/11418015

#SPJ3

ill give brainliest whoever does it right pls fast

Answers

Answer:

1.Train b travels 125 miles in four hours.

2. Train A's speed is 50 mph and train b's speed is 31.25 mph

srry about the last one but i don't know what the answer is since i don't know the choices for it

Can anyone help me with this question? please :)

Answers

You would do
7.5 squared plus 16 squared which gives you 312.25.
You then have to square root that which equals to 17.67059705.
Then just make it 1dp and it equals 17.7 cm

What is the average rate of change from x = 4 to x= 7

Answers

Three the answer is three

The area of a rectangle is 360 cm, and the length is 2 cm more than the width Find the width​

Answers

Answer: 18 cm

Explanation:

Let x = width (W)
Let x + 2 = length (L)

Area (A) = L*W
x(x+2) = 360
x^2 + 2x = 360
x^2 + 2x - 360 = 0
(x + 20)(x - 18) = 0
x + 20 = 0
x = -20
^^^ reject because distance can’t be negative
x - 18 = 0
x = 18 (width)

x + 2 = 20 (length)

Check:
A = L*W
360 = 20 * 18
360 = 360

How might the crisis in biodiversity lead to a food crisis for humans?

Answers

Answer:

Hi and heres your answer!

Step-by-step explanation:

The crisis of biodiversity will lead to a food crisis for humans because:

1.No varieties in certain foods like plants and animals that are healthy

2.The Less food there is,more animals go extinct which means humans will go extinct too.

and finally 3: Without certain types of species like the bee, humans have no chance of survival (since bees pollinate flowers,fruits,and plants which could be used for human consumption and medicine)

Hope this helped

Plz mark brainliest

Dont forget smash that heart at the bottom <3

Have a great day,Youre amazing!

wht is the pie equation

Answers

Answer:  π = c/d

Step-by-step explanation: srry if its wrong im not well at math

5x+3x-6=6x+12 what is the answer

Answers

Answer:

x=9

Step-by-step explanation:

1. Combine like terms

2. Add 6 to both sides

3. Simplify

How do I find length of the third side of all each triangle?​

Answers

Answer:

Refer to the attachment

The density of an object is calculated using the formula D=m/v where m
is the object's mass and V is its volume. Gold has a density of 19.3 g/cm^3”. What is
the volume of an amount of gold that has a mass of 96.5 g?
*If y’all can do this and show all the work that would be awesome! I have to show work to my teacher in order for her to grade it and I have a D in her class so please help!*

Answers

To find the volume of the amount of gold, rearrange the formula algebraically:

D = m/V
Multiply both sides by V:
D(V) = m/V (V)

DV = m
Divide both sides by D to isolate V
DV/D = m/D

V = m/D (this is the formula needed for volume).

Next, substitute the given values for density and mass:

V = 96.5g/19.3g/cm^3
V = 5 cm^3

Therefore, the volume of an amount of gold that has a mass of 96.5 g is 5 cm^3.

Please mark my answers as the Brainliest, if you find this helpful :)

find 0.025×1.24 . express your answer in decimal form

Answers

Answer:

0.025

Step-by-step explanation:

Divide the percentage by 100 to convert it to decmals.

for example 20%=

20

100

=.2

30%=

30

100

=

.3

2.5%=

2.5

100

=

.025

ur welcome

Answer:0.03100  

Step-by-step explanation:

PLEASE ANSWER I WILL GIVE A THANKS AND BRAINLIEST!!!<3

Answers

Answer: I HAVENT FINISHED THIS

Step-by-step explanation:

ILL BE BACK

Answer:

Step-by-step explanation:

Not sure if you're being lazy or something these questions are ridiculously easy...

27) f-3

28) j-9

29) m-10

30) d/2

31) x-17

32) 7/18

33) a. 3-s b. 3+d

34) a. r+5 b. e-5

35) a. g-12 b. b+12

36) a. 12+s b. L-12

jorge 5 miles every 8 hours find the unit rate

Answers

Answer:

5 miles = 8 Hrs

X = 1Hr

5 Miles × 1 Hr = X × 8Hrs

5 Miles × 1 Hr = X

8Hrs

5 Miles = X

8

X = 0.625 Miles

so we can conclude that George Travels

0.625 Miles Per Hour or 0.625 M/Hr

Which of the following statements is not true

Answers

Answer:

The slope of AB is different from the slope of BC is NOT TRUE.

Step-by-step explanation:

AB and BC are on the same straight line, so their slopes are the same.

Give the digits in the hundreds place and the tens place.
2,563

Answers

The digit in the hundreds place would be 5.

The digit in the tens place would be 6.

Good luck.

Answer:

hundreds: 5

tens: 6

Step-by-step explanation:

Help please, it is easy but not for me.

Answers

Answer:

60.28.

Step-by-step explanation:

We need the sine function because we are given the opposite side and  we need the hypotenuse.

sin 71 = 57 / x

Cross multiply

x * sin 71 = 57

x = 57 / sin 71

= 60.28.

graph the linear function. g(x)=2/5x-3​

Answers

The answer is in the photo below

ASAP PLZ
Melissa is driving on the highway at the legal speed of 65 mi/h. She notices there is an accident ahead approximately 200 feet away. Her reaction time is 0.75 of a second. Is she far enough away to bring the car to a safe and complete stop?
*Round your answers to 2 places after the decimal!
1 Reaction distance =
2 Breaking distance =
3 Total Stopping Distance =
4 yes or no

Answers

Answer:

You are asked to find the skid distance given the speed,

the drag factor, and the braking efficiency.

Step-by-step explanation:

Use the skid speed formula. S = √

_______

30Dfn

Substitute 50 for S, 1.2 for f,

and 0.9 for n. 50 =√

___________________

30 × D × 1.2 × 0.9

Simplify the expression under the radical. 50 = √

_______

32.4D

Which ordered pair is in the solution set of 2x+y≤−4? Question 6 options: (−2, 2) (2, 2) (−2, −2) (2, −2)

Answers

Answer:

-2,-2

Step-by-step explanation:

if you plug the numbers in you get:

(2*-2)+-2≤−4

so that's -4+-2≤−4

which equals -6≤−4

and as always, the bigger the negative number, the less value it has

Kayleigh has 2 apples for every 3 oranges in her fruit basket. If Kayleigh has 15 oranges altogether in her basket, how many apples must she have in her basket?
5 apples 10 apples
25 apples 15 apples

Answers

She will have 10 apples because there is a 2:3 ratio.

Answer:

10 apples.

Step-by-step explanation:

Steve ate x pounds of candy. Jen ate 37 more than Steve. Choose the equation that represents the situation where the amount of candy Steve ate is represented by x and the amount of candy Jen ate is represented by y.

Answers

Answer:

y = x + 37

Step-by-step explanation:

Representation:

Amount Steve ate:  x

Amount Katie ate:  y

If Katie ate 37 pounds more than Steve, then y = x + 37

Sofia received a payment of $ 145 to take care of her neighbor Carmen's dogs for 5 days. Every day, the neighbor Carmen was paying him 6 dollars more than the day before. How much money did Sofia earn on the third day of work?
it is a problem of equations
please help me

Answers

Answer:

you betrayed me and i know that youll never feel srry

Step-by-step explanation:

Add -2.25 +2.5

Plot the first addend and the sum on the number.


Please quick

Answers

Answer:

.25

Step-by-step explanation:

i do not know what Plot the first addend and the sum on the number. is... sorry

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