− 7 / 12 + 3 / 8 thanks

Answers

Answer 1

Answer:

-5/24

Step-by-step explanation:

Simplify the denominators

-14/24 + 9/24

Add them but keep the denominator

-5/24

Answer 2

Answer:

-840

Step-by-step explanation:

12+3=15

-7*15=-105

-105*8=-840


Related Questions

Solve for g. If you can please add an explanation

Answers

Answer:

g=7

Step-by-step explanation:

your goal is to isolate the g

times g/-4 by -4/1 the -4 cancels out the other one so you are just left with g

move the g to the other side of the equation then move the 3 and it to the -5 and then multiply the whole thing but -1 to make the equation positive

Please help! I'll give brainliest! I'm gonna be grounded for the 3rd time this week if my stuff isn't done :/

How do geologists believe that the Devils Tower was formed?
A. All the land except the rocks around the Devils Tower were
eroded during the Ice Age.
B. The Devils Tower was an ancient hotspot that plate movements
isolated after the volcano became inactive.
C. Magma pushed up from the mantle to sedimentary rocks which
then eroded leaving the column.
D. It's the stem of a volcano that erupted millions of years ago
and surrounding rock eroded away.

Answers

Answer:

C. Magma pushed up from the mantle to sedimentary rocks which

then eroded leaving the column.

Step-by-step explanation:

Geologists Carpenter and Russell studied Devils Tower in the late 1800s and concluded that the Tower was formed by an igneous intrusion (the forcible entry of magma through other rock layers).

What is (-3x2 - 6x - 8) - (4x2 + 5) simplified?

Answers

Step-by-step explanation:

i got 9x-9

hope this helps broo

-7x^2-6x-13


This is the answer

can yall do the work of the answer 95 to this

Answers

9514 1404 393

Answer:

  ? = 95°

Step-by-step explanation:

Long arc QR is twice the measure of inscribed angle QSR, so is 2×95° = 190°. That, together with the remaining short arcs ? and RS will make up the total circle of 360°.

  arc QR + arc RS + ? = 360°

  190° +75° +? = 360°

  ? = 360° -265° . . . . . . subtract 265° from both sides

  ? = 95°

Melinda's family drove 378 miles in 9 hours. What was the average speed for the trip?

Answers

Answer: 42 MPH

I hope this helps, and Happy Holidays! :)

Answer:

Step-by-step explanation:

if Melinda's family drove 378 miles in 9 hours, her average speed is

378/9=42 miles per hour

D.K.G.S. and B are five points on line / • KG + GD = KD • SD + DB = SB KS + SG = KG What is the order of the points from left to right based on their position along line 1? A B, D, G, K, S B K, G,D,S, B C KG,S,D,B D K,S, G,D, B

Answers

Answer: K,S,G,D,B

because KG + GD = KD => G is between K and D

SD + DB = SB => D is between S and B

KS + SG = KG => S is between K and G

=> The order of the points from left to right is   K,S,G,D,B

Step-by-step explanation:

Please help me! First correct answer gets brainliest. Thanks!

Answers

Answer: it’s not b it’s d..

Which function has a domain of all real numbers?
A. y = -2(3x)^1/6
B. y = (x +2)1/4
C.y = (2x)^1/3-7
D.y= -x^1/2+5

Answers

Answer:

c - (2x)^1/3-7

Step-by-step explanation:

plato

The function  [tex]y= -x^{1/2}+5[/tex] has a domain of all real numbers.

Thus, option (D) is correct.

As, Domain is the input value of the function.

In the function [tex]y= -x^{1/2}+5[/tex] .

The square root is defined for all non-negative real numbers (including zero).

When we subtract this square root from 5, the resulting function has a domain of all real numbers.

In options A, B, and C, which involve fractional exponents or roots, option D does not have any restrictions on the values of x.

The function can be evaluated for any real number x, making its domain all real numbers.

Therefore, [tex]y= -x^{1/2}+5[/tex] , has a domain of all real numbers.

Learn more about Domain of function here:

https://brainly.com/question/13113489

#SPJ4

Please answer correctly !!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!

Answers

16:20

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Help
Find the value of X

Answers

Answer:

x=11

Step-by-step explanation:

since the triangle is an isosceles triangle, angle 2 should be angle 42 so,

2x+20=42 degrees

2x=22

x=11

If a car travels 400 m over 80 seconds, how fast is the car traveling?

Answers

300 meters per minute: 3600 meters per hour

YW BRAINLIEST PLEASE

Help me i really need help please

Answers

Answer:

16.4%

Step-by-step explanation:

$1665=100%

$53.40=?

53.40×100÷1665

=16.4%

need help with the last 2 numbers ​

Answers

Answer:

the solution is t ≤1 (1)

A.4. B.-4. C.1/4. D-1/4

Answers

A or B think it's A tho not sure

Answer:

B. -4

Step-by-step explanation:

The slope is -8/2 which is the same as -4.

Another way you could do it is down 4 and right 1. That would be -4/1 which is the same as -4.

I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!

$12,000 at 2.2% for 5 years.
what’s the interest?

Answers

Answer:

264.

Step-by-step explanation:

12,000X2.2%=264.

Multiply (use the distributive property): 4(x-3)

Pls don't mess around I need this​

Answers

Step-by-step explanation:

you need to mulitiply the 4 to x and -3

4x-12

if you need to solve for x: 4x=12

X=3

The answer is 4x-12

if you multiply 4 times x it is 4x, and if you multiply 4 by negative 3(-3) the answer is negative 12 (-12), so you put 4x together with -12 that would be 4x-12

in drop down menu one - 8, 6, or 5.5
in drop down two - 10.5, 8, 5.5
in drop down three- 33, 22, 11

HELP​

Answers

5.5 8 2.2 hope this helps love

4x2+24=0 simplify solutions

Answers

Answer:

4x^2 + 24 = 0

4x^2 = - 24

unsqrt

4x = ±2√6

x =  (±2√6)/4

Enter an inequality that represents the description, and then solve.
Dave has $11 to spend on an $8 book and two birthday cards (c) for his friends. How much can he spend
on each card if he buys the same card for each friend?

Answers

Answer:

$6

Step-by-step explanation:

x – 7y = –11
5x + 2y = -18

Answers

Answer:

hope this help you

Step-by-step explanation:

Simplifying

X + -7y = -11

Solving

X + -7y = -11  

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '7y' to each side of the equation.

X + -7y + 7y = -11 + 7y

Combine like terms: -7y + 7y = 0

X = -11 + 7y

Simplifying

X = -11 + 7y

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

Solving

5x + 2y = -18

Solving for variable 'x'.

Add '-2y' to each side of the equation.

5x + 2y + -2y = -18 + -2y

Combine like terms: 2y + -2y = 0

5x = -18 + -2y

Divide each side by '5'.

x = -3.6 + -0.4y

Simplifying

x = -3.6 + -0.4y

HELP ME PLEASEEEE ITS FOR geometry ITS WORTH 51 POINTS

Answers

Answer:

answer is b

Step-by-step explanation:

The answer is A. 80 degrees

HELPPP!!!???PLEASE HELPPP!!

Answers

Answer:

[tex]\frac{5}{14}[/tex] [tex]or[/tex] [tex]0.357142857143[/tex]

Step-by-step explanation:

__________________________________________________________

[tex]\frac{2}{7}\div\frac{4}{5}[/tex] = [tex]\frac{5}{14}[/tex] [tex]because[/tex],

[tex]\frac{2}{7}[/tex] = [tex]0.285714285714[/tex]

[tex]\frac{4}{5}[/tex] = [tex]0.8[/tex]

[tex]0.285714285714[/tex] [tex]\div[/tex] [tex]0.8[/tex] = [tex]0.357142857143[/tex]

[tex]\frac{5}{14}[/tex] = [tex]0.357142857143[/tex]

__________________________________________________________

Hope this helps! <3

__________________________________________________________

Answer:

it is A

Step-by-step explanation:

Multiply them then divide them by 2

2x - 3y <= 9
2x + 3y <= 3

Answers

Step-by-step explanation:

2x - 3y = 9

2x + 3y = 3

__________ -

-6y = 6

y = -1

2x - 3y = 9

2x - 3(-1) = 9

2x - (-3) = 9

2x = 12

x = 6

3x-5y=22: y=-5x+32 solve for y

Answers

Y=0.6-4.4 is what I got

6. Which of the following is the volume of a hemisphere with a radius of 8
inches?
A. 1,607,68 inches cubed
O B. 1,071.79 inches cubed
C. 2,143.57 inches cubed
D. 535,89 inches cubed

Answers

Answer:

Step-by-step explanation:d

Answer:

B

Step-by-step explanation: A hemisphere is half of a sphere. Knowing this all you have to do is find the volume as if the figure was a sphere, then divide it by 2.

volume of sphere equation: V=4 /3 πr^3

Find the slope of the line going through the points (0, -7) and (8, 1).

Answers

Answer:

8,1

Step-by-step explanation:

maybe i think this will help you

WILL GIVE BRAINLIEST!
If Triangle ABC ≈ Triangle DBE, find the value of x.

Answers

Answer:

x = 49

Step-by-step explanation:

The sum of angles in a triangle add up to 180°.

∠CBA = ∠EBD (Vertically opposite angles are equal)

          = 52°

Since in the triangle DBE, you already know two of the angles, you can find ∠BDE which is equal to ∠CAB (x + 9)°.

∠BDE = 180° - 70° - 52°

          = 58°

∠BDE = ∠CAB

          = ∠(x + 9)°

          = 58°

x + 9 = 58

x = 58 - 9

x = 49

What point is the intersection of the graphs of the lines 2 x - y = 3
and x + y = 3?

Answers

Answer:

(2, 1 )

Step-by-step explanation:

Given the 2 equations

2x - y = 3 → (1)

x + y = 3 → (2)

Rearrange (2) expressing y in terms of x by subtracting x from both sides

y = 3 - x → (3)

Substitute y = 3 - x into (1)

2x - (3 - x) = 3

2x - 3 + x = 3

3x - 3 = 3 ( add 3 to both sides )

3x = 6 ( divide both sides by 3 )

x = 2

substitute x = 2 into (3) for corresponding value of y

y = 3 - 2 = 1

Solution is (2, 1 )

fill in the table using this function rule. y= -6x + 3
x y
-1 ?
0 ?
1 ?
5 ?

Answers

just add 3 to the y value

Look at the arithmetic sequence below. Use the boxes to create a recursive formula for the sequence. 18, 21, 24, 27, 30, 33... Response area =

Answers

Answer:

we have:

u(1) = 18

u(2) = 21 = 18 + 3

u(3) = 24 = 18 + 3.2

u(4) = 27 = 18 + 3.3

.......

=> the sequence has: u(1) = 18

                                    d = 3

=> u(n) = 18 + 3(n - 1) = 3n + 15

so the recursive formula for the sequence is u(n) = 3n + 15

Step-by-step explanation:

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