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kifflom [539]
2 years ago
5

HELP please I need help

Mathematics
1 answer:
Fantom [35]2 years ago
8 0
25/1 8/5 I thinks that all
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Help me with this pls
BaLLatris [955]

Answer:

n=2

Step-by-step explanation:

-4n - 8 = 4(-3n + 2)

-4n - 8 = -12n + 8

8n = 16

n = 2

6 0
3 years ago
ites A & Bare 5 inches apart on a map. Cities & Dare 4 inches apart. If C&D are 900 miles apart how many miles apart
lisabon 2012 [21]

Answer:

<u>Cities A and B are 1,125 miles apart</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Distance between A and B in the map = 5 inches

Distance between C and D in the map = 4 inches

Actual distance between C and D = 900 miles

2. How many miles apart are cities A and B?

We will solve the question, using Direct Rule of Three, as follows:

Distance in the map      Actual distance

A - B      5 inches                    x

C - D      4 inches                900 miles

***************************************************

4x = 900 * 5

4x = 4,500

x = 4,500/4

x = 1,125 miles

<u>Cities A and B are 1,125 miles apart</u>

7 0
3 years ago
An urn contains 7 red marbles and 3 white marbles. three marbles are drawn from the urn one after the other. find the probabilit
vaieri [72.5K]

7+3 = 10 total marbles

 1st pick = 7/10 for a red one

2nd pick = 6/9 reduces to 2/3 for a red one

3rd pick = 3/8 for a white one

7/10 x 2/3 =14/30 reduces to 7/15

7/15 x 3/8 = 21/120 reduces to 7/40

 probability = 7/40

5 0
3 years ago
Solve 3(4y + 6) greater equal to -2(3-6y) show work pls
horrorfan [7]

Answer:

All real numbers

Step-by-step explanation:

See the image.

3 0
3 years ago
Write the quadratic equation in factored form. Be sure to write the entire equation. x^2 + x - 12 = 0
nignag [31]
X^2 + X - 12 = 0

(X + 4)(X - 3) = 0

X = -4 and X = 3.
3 0
3 years ago
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