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SSSSS [86.1K]
2 years ago
7

25 points!! Pls help!! If not I will probably get a D pls I will mark brainliest but will report if answer is unrelated

Mathematics
2 answers:
Georgia [21]2 years ago
7 0

Answer:

18 cm!

Step-by-step explanation:

Alex Ar [27]2 years ago
6 0
The answer should be “x = 14 “ :), im sorry if its wrong but i dont think it should be
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20) -5(1 - 5x) +5(-8x - 2) = -4x – 8x
Alchen [17]

Answer:

x = -5

Step-by-step explanation:

-5(1 - 5x) +5(-8x - 2) = -4x – 8x

First lets simplify each side of the equation.

-5+25x-40x-10 = -4x-8x

Combine like terms

-15x-15=-12x

Add 15x to both sides (addition property of equality)

-15=3x

Divide each side by 3 (division property of equality)

x=-5

The answer is x = -5

5 0
3 years ago
Polygon a is similar to polygon b. the sides of polygon a are three times larger than the corresponding sides of polygon b. the
JulsSmile [24]

Answer:

b 48

Step-by-step explanation:

it says the sides a are 3 times larger so you are trying to find the perimeter of b so you do 144 divided by 3 since it is 3 times larger.

3 0
3 years ago
Read 2 more answers
Set 2 Maths has 30 pupils in it.
Ierofanga [76]
80/100 x 30 = 24 because you just multiply percents
4 0
2 years ago
What is 9| - z/3| + 6 < 30
Reil [10]
9|⁻¹/₃z| + 6 < 30
9|⁻¹/₃z| + 6 < ±30
9|⁻¹/₃z| + 6 < 30    or    9|⁻¹/₃z| + 6 > -30
9(¹/₃z) + 6 < 30    or    9(¹/₃z) + 6 > -30
     3z + 6 < 30       or       3z + 6 > -30
           - 6   - 6                       - 6     - 6
           3z < 24          or          3z > -24
            3      3                         3       3
             z < 8            or            z > -8

Solution Set: {z|z < 8 or z > -8} and (-∞, 8) or (-8, ∞)
4 0
2 years ago
Read 2 more answers
The perimter of a recrangle is 36 the ratio of the legnths of the sides i 2:7 what are the lengths of the sides
Phoenix [80]
2 (l + w) = 36
l + w = 18
2x + 7x = 18
9x = 18
x = 2

the length of the sides
l = 2x
l = 2(2)
l = 4

w = 7x
w = 7(2)
w = 14
5 0
3 years ago
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