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m_a_m_a [10]
3 years ago
13

Solve c= 8a-3b for a

Mathematics
1 answer:
Vesnalui [34]3 years ago
6 0

Answer:

(c+3b)/8 = a

Step-by-step explanation:

c= 8a-3b

Add 3b to each side

c+3b= 8a-3b+3b

c+3b = 8a

Divide each side by 8

(c+3b)/8 = 8a/8

(c+3b)/8 = a

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Step-by-step explanation:

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Jin bought a pair of pants that cost $47.83. The sale tax in her state is 7.43 % what is the total cost of the pants ?
maxonik [38]

Answer:

$51.38

Step-by-step explanation:

7.43% of 47.83=(rounded to the nearest hundredth) 3.55

7.43/100*x/47.83

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because we are solving for x

we can also cross check by taking out the percentage

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which is about 7.43%

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2 years ago
When is a rhombus a rectangle?
Alinara [238K]
Check the picture below.

a rhombus is a quadrilateral with all equal sides.

now, the sides do not have to be slanted, but they must be equal, IF it happens that all sides meet at right-angles, then the rhombus is a "rectangle", due to its right-angleness, incidentally enough, since all sides are equal, if that ever happens, it also becomes a square.

6 0
3 years ago
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Ramon needs to simplify the expression below. 3.5x2-04 8.1 + 1.5-4 Which operation should he perform first? 1.5-4 2=0.4 3.5 x 2
solniwko [45]

Answer:

3.5x2

Step-by-step explanation:

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3 years ago
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What is the median of the following numbers: 120, 35, 42, 119, 120.5, 99, 72 ? *
Roman55 [17]

Answer:

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Step-by-step explanation:

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