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Solnce55 [7]
3 years ago
11

Someone plz help me

Mathematics
2 answers:
Mnenie [13.5K]3 years ago
7 0

Answer:

1. 1/10

I gave you the answer to the first one hope that helps a lil bit

sleet_krkn [62]3 years ago
4 0

Answer:

1. A

2. D

3.B

4.D

5. C

Step-by-step explanation:

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**find x**<br><br> …………………….
Nikitich [7]

Answer:

x=5

Step-by-step explanation:

4 downgrades to 3 by 1

that means 6 will downgrade to 5 by 1

hope this helped

6 0
3 years ago
I cant find this answer for my life
fredd [130]
1/343


Hope this helps (:
8 0
3 years ago
Read 2 more answers
Please help.<br> Is algebra.
Dvinal [7]

Answers:

  • Blank 1:  4
  • Blank 2:  -1

So the solution is (x,y) = (4, -1)

=============================================================

Work Shown:

6x + 7y = 17

6x + 7( y ) = 17

6x + 7( -3x+11 ) = 17 ... replace every copy of y with -3x+11

6x - 21x + 77 = 17

-15x = 17-77

-15x = -60

x = -60/(-15)

x = 4

We'll use this x value to find y

y = -3x+11

y = -3(4)+11 ... replace x with 4

y = -12+11

y = -1

We have  x = 4 and y = -1 pair up together to give us the solution (x,y) = (4, -1)

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

To check the solution, we plug x = 4 and y = -1 into each equation

Plugging the values into the first equation leads to...

y = -3x+11

-1 = -3(4)+11

-1 = -1

This is effectively already done in the last part of the previous section. But it doesn't hurt to verify like this regardless.

We'll need to verify the second equation as well.

6x + 7y = 17

6(4) + 7(-1) = 17

24 - 7 = 17

17 = 17

We get a true equation, so the solution is confirmed with both equations. Overall, the solution to the system of equations is confirmed. This system is independent and consistent.

3 0
3 years ago
A metallic spherical ball of radius 14 cm is being melted and recast it into spherical balls of radius 2 cm. How many spherical
mojhsa [17]

Volume of sphere = 4/3 x pi x r^3

Volume of large sphere:

4/3 x 3.14 x 14^3 = 11488.21 cubic cm

Volume of smaller sphere:

4/3 x 3.14 x 2^3 = 33.49 cubic cm

Number of small spheres = volume of large sphere/ volume of small sphere

11488.21 / 33.49 = 343.03

Round to 343 small spheres

4 0
3 years ago
How do I solve this proportion??<br> 7/n = 8 / 7
kirill115 [55]
\frac{7}{n}=\frac{8}{7} \\\\ n=\frac{7*7}{8} \\\\ \boxed{n=\frac{49}{8}}
7 0
3 years ago
Read 2 more answers
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