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hjlf
2 years ago
6

Solve equation. What is the solution set -4(z-2)+4=21-(z-3)

Mathematics
1 answer:
inessss [21]2 years ago
8 0

Answer:

z=-75/17

Step-by-step explanation:

Expand this equation:

-4z+8+4=-21z-63

-4z+21z=-63-8-4

17z=-75

z=-75/17

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Find the length of BC
Ivan

Answer:

13.3650978628

Step-by-step explanation:

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Here,

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Using the relation of cos,

cosx=b/h

cos27=BC/15

15cos27=BC

Using a calculator,

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2 years ago
Subtract 12h+1 from 34h+4 . what is the answer? a.−1/4h+5 b.1/4h+5 c.−1/4h d.1/4h+3
Lemur [1.5K]

Answer:

D

Step-by-step explanation:

We would like to solve:

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This is equivalent to:

3/4h + 4 - 1/2h - 1

First, combine like terms; that is, combine the terms with h in them and combine the terms without h in them:

3/4h - 1/2h + 4 - 1

The common denominator for 3/4 and 1/2 is 4, so:

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Put this back in:

1/4h + 4 - 1

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The answer is thus D.

<em>~ an aesthetics love</em>

8 0
3 years ago
a pet shop sells a 6 can multipack of dog food for £3.18 and a 15 can multipack for £7.80. which multipack is the best value for
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Answer:

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Step-by-step explanation:

8 0
2 years ago
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Vika [28.1K]
The formula:
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A: area
b: base
h: height
L: length
s1: side 1 (cross-sectional area)
s2: side 2 (cross-sectional area)
s3: side 3 (cross-sectional area)

Here’s an example (see attached image)

A = (4 x 6) + (12 x [7 + 7 + 4])
A = (24) + (12 x 18)
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I hope this helped? Comment if you need more explanation or anything!

8 0
2 years ago
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sukhopar [10]

Answer: 1/50

Step-by-step explanation:

0.020 = 20/1000 = 1/50

4 0
3 years ago
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