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dexar [7]
3 years ago
6

Solve 9x-y = 4 for y.

Mathematics
2 answers:
Vanyuwa [196]3 years ago
4 0

Answer:

Write in slope-intercept form,  y = m x + b .

y  =  9 x  −  4

Step-by-step explanation:

frutty [35]3 years ago
4 0

Answer:

y =9x +4

Step-by-step explanation:

9x - y = 4

9x - y + (-9x) = 4 + (-9x)

-y = 4 - 9x

-y/-1 = (4-9x)/ -1

y = 9x +4

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Find the value of x in the triangle shown below 3.5 4 3.5 x• 55•
Dvinal [7]

Answer:

Step-by-step explanation:

Since this is not a right triangle, we will use the Law of Sines. For us that looks like this:

\frac{sin55}{3.5} =\frac{sinx}{4} and cross multiply to get

4sin55 = 3.5sinx and solve for sinx:

sinx=\frac{4sin55}{3.5} so

sinx = .9361737 Use the 2nd button on your calculator and the sin button to find that the angle

x = 69.4°. Not sure how you need it rounded. It's actually 69.4186°

6 0
2 years ago
10 is 32% of what number?
Fantom [35]

Answer:

x= 3,2

Step-by-step explanation:

10 ----------------  100%

x   ----------------  32%

x=\frac{10\times32\%}{100\%}

x=\frac{10\times32}{100}

x=\frac{320}{100}

x=\frac{32}{10}

x=\frac{32\div2}{10\div2}

x=\frac{16}{5}

x=3,2

7 0
3 years ago
A diameter is an example of a chord. True or False
Vilka [71]
True, a diameter is an example


6 0
3 years ago
Read 2 more answers
Shannon's new car sold for $28,000. Her online research indicates that the car will depreciate exponentially at a rate of 5 ¼ %
Novay_Z [31]

Answer:

P = 28,000(0.945)^y

where P is the price of the car after y years of purchase

Step-by-step explanation:

The rate of decrease is 5 1/4 % per year

This is same as 5.5% (5.5/100 = 0.055) per year

The exponential equation will be ;

P = 28,000( 1 - 0.055)^y

P = 28,000(0.945)^y

where y is the number of years after the year of purchase

6 0
2 years ago
Find the length (distance) of a segment with endpoints (5,-2) and (9,4). (Must show your
stepladder [879]

Answer:

7,2 ≈ D

Step-by-step explanation:

We need to use the Distance Formula:

\sqrt{(-x_{1} + x_{2})^{2}  + (-y_{1} + y_{2})^{2}} = D \\  \\  \sqrt{(-5 + 9)^{2} + (2 + 4)^{2}} = D \\  \\ \sqrt{{4}^{2} + {6}^{2}} = D \\  \\ \sqrt{16 + 36} = D \\ \\ 2\sqrt{13} = D \\ \\ 7,2 ≈ D

** Since we are talking about <em>distance</em>,<em> </em>we ONLY want the NON-NEGATIVE root.

I am joyous to assist you anytime.

6 0
2 years ago
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