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Temka [501]
3 years ago
8

Please helpp with this!!

Mathematics
1 answer:
maw [93]3 years ago
7 0

Answer:

a) 83½

b)n = 4 \frac{1}{3}  \:  \: or \:  \: n =  - 4 \frac{1}{3}

Step-by-step explanation:

Please see the attached pictures for full solution.

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butalik [34]

Answer:

\huge \bold \purple{answer}

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8 0
3 years ago
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A family built a house in a beach resort area. In 1990, the house was 430 ft from the water. With erosion, the house was 400 ft
neonofarm [45]

We develop an equation for the given situation by first writing the general equation for lines,

                                y = mx + b

Substituting to this given the values given above,

(1990)                      430 = b

(2000)                      400 = m(10) + 430

The value of m from the equation in 2000 is -3. Thus, the equation of that relates the variables is,

                              y = -3x + 430

8 0
3 years ago
Please answer this sum correctly which is the correct options
Sergio [31]
The first one and the second one are the correct sums

6 0
3 years ago
If the unit selling price is 2.50 and the unit cost is 1.00 what action is needed to maintain the gross margin percentage when u
Maru [420]

The original gross margin is (2.50 / 1.00) - 1 = (2.5 - 1) = 1.5  =  150%

the cost increases 0.25, is an increase of (0.25 / 1.00) = 25%

  in order to keep the same gross margin, you need to increase the sale price by 25%

2.50*1.25 = 3.125

Then the gross margin is (3.125 / 1.25) - 1 = (2.5 - 1) = 1.5 = 150% ( same as original )

6 0
3 years ago
4. WILL MARK BRAINLIEST!!! HELP! ​
Hunter-Best [27]

Answer:

\frac{5}{36}

Step-by-step explanation:

\frac{8}{9}-\frac{3}{4} =\\\frac{32}{36} -\frac{27}{36} =\\\frac{5}{36}

7 0
3 years ago
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