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Lelu [443]
3 years ago
9

What do i write i need help so i can do this

Mathematics
2 answers:
goblinko [34]3 years ago
8 0

Answer:

Step-by-step explanation:

First what you want to is subtract 7 from both sides, then you want to divide -2/3 from both sides.

Nikolay [14]3 years ago
6 0

To isolate the variable you need to remove the terms from the side with the variable to remove the terms you need to do the same thing on both sides.

-2/3n + 7 = 15

First step is to subtract 7 from both sides to get:

-2/3n = 8

Now divide both sides by -2/3 to get:

N = 8 / -2/3

Then to solve for n simplify to get:

N = -12

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Ahmad and Ben have a total of 78 keychains.
Murljashka [212]

Sorry it was tru

2C=B

C-A=6 A=C-6

A+B+C=78

78=C-6+2C+C

5 0
3 years ago
Researches notice a grey whale cruising at a depth of 233 feet below sea level. It rises 73 feet and then comes up another 40 fe
Rus_ich [418]

Answer:130ft

Step-by-step explanation:

233-63=170. 170-40=130ft.

3 0
4 years ago
Read 2 more answers
What does 101=50-h h means the number 49
ICE Princess25 [194]
Let me see if I understand your question:

101=50-h

this would just be an equation with a variable: this variable is "h". Variable is an unknown value, like a name for "something".

so we could say that 101 equals 50 minus "something" and we call this something "h"

this is what 101=50-h "means"

as it happens, we can find out the value of this h:

we can subtract 50 from both sides of the equation:

101-50=50-50-h
51=-h

and multiply by (-1)
-51=h

so our h is equal to -51.

so...  does not actually mean here 49...

let me know if you have further questions!
6 0
3 years ago
use the intermediate value theorem to determine, if possible, whether g(x)=2x^3+3x^2-3x+4 has a real zero between -2 and -1
inn [45]

Answer:

Step-by-step explanation:

g(-2)=2(-2)^3+3(-2)^2-3(-2)+4=-16+12+6+4=6

g(-1)=2(-1)^3+3(-1)^2-3(-1)+4=-2+3+3+4=8

it does  not change sign ,so there is no real zero between -2 and -1.

3 0
3 years ago
A prism is comply filled with 3996 cubes that have edge lengths of 1/3 inches. What is the volume of the prism
stich3 [128]
The volume of a cube by definition is:
 V = L ^ 3
 Where:
 L: side.
 We have then that the volume of a cube is:
 V = (1/3) ^ 3
 V = 1/27
 Then, the prism volume is:
 Vtotal = 3996 * V
 Vtotal = 3996 * (1/27)
 Vtotal 148 inches ^ 3
 Answer:
 the volume of the prism is:
 Vtotal 148 inches ^ 3
6 0
4 years ago
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