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Snowcat [4.5K]
3 years ago
12

1 pt

Mathematics
2 answers:
Goshia [24]3 years ago
8 0
6x+10=4x-8
-4x. -4x

2x+10=-8
-10. -10

2x=-18
2x. 2x

x=-9. ONE SOLUTION...
Allisa [31]3 years ago
6 0
<span>6x + 10 = 4x -8
6x-4x = -8 - 10
2x = -18
 x = -9

answer
</span><span>exactly one solution</span>
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Ralph has sliced a pizza using straight line cuts through the center of the pizza. the slices are not exactly the same size. Ral
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x=18 the angles are 36 and 54


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25. Save the simultaneous equations 2x-y=4;x+y=5​
Helen [10]

Answer:

x = 3

Step-by-step explanation:

2x - y = 4

x + y = 5

y = 5 - x

2x - (5 - x) = 4

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3 0
2 years ago
Lily is cutting a piece of yarn into 3 (three) pieces. The 2nd piece is 3 times as long as the 1st piece, while the 3rd piece is
STatiana [176]

Answer:

The length of the first piece = 41 cm

Step-by-step explanation:

Let the length of the first piece = a

Let the length of the second piece = b

Let the length of the third piece = c

we are given the following:

b = 3a . . . . . (1)     (The 2nd piece is 3 times as long as the 1st piece)

c = 6 + a  . . . . (2)    (the 3rd piece is 6 centimeters longer than the 1st piece)

a + b + c = 211 . . . . . (3)    (  the yarn has a total length of 211 centimeters)

Next, let us eliminate two variables, and this can easily be done by substituting the values of b and c in equations 1 and 2 into equation 3. this is done as follows:

a + b + c = 211

a + (3a) + (6 + a) = 211       ( remember that   b = 3a; c = 6 + a)

a + 3a + 6 + a = 211

5a + 6 = 211

5a = 211 - 6 = 205

5a = 205

∴ a = 205 ÷ 5 = 41 cm

a = 41 cm

Therefore the length of the first piece (a) = 41 cm

now  finding b and c

substituting a into equation 1 and 2

b = 3a

b = 3 × 41 = 123

∴ b = 123 cm

c = 6 + a

c = 6 + 41 = 47

∴ c = 47 cm

6 0
3 years ago
(Please answer! :) )
Anna [14]

Answer:

ok

Step-by-step explanation:

6 0
2 years ago
PLEASE HELPP:
kirill [66]

The correct answer to your question is "A".

3 0
3 years ago
Read 2 more answers
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