3 years ago

Write each equation in standard form. 8. y = -2/5x + 6

Mathematics

1 answer:

TiliK225 [7]3 years ago

8 0

Answer:

Step-by-step explanation:

5(y = -2/5x + 6)

5y = -2x + 30

2x + 5y = 30

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Find the cosine of ∠I.

denis-greek [22]

Answer:

$\sqrt{\frac{3}{5} } .$

Step-by-step explanation:

1) cos(I)=IH/IG;

$2) \ IG=\sqrt{IH^2+GH^2} =10;$

$3) \ cos(I)=\frac{2\sqrt{15}}{10}=\frac{\sqrt{15}}{5}=\sqrt{\frac{3}{5}}.$

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2 years ago

Hi can someone please help me with this i will give you five stars!!

tino4ka555 [31]

Step-by-step explanation:

Let's look at what we know. We know that...

P=2000

r=0.04 (Change 4% to a decimal)

t=7 (25 years minus 18 years equals 7)

n=1

Since we are compounding each year, we need to use this equation: $P(1+\frac{r}{n} )^{nt}$

Now just plug the numbers in: (Answer to #1:) $2000(1+\frac{0.04}{1} )^{(1*7)}$

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When we round, this equals to $2,632. (Answer to #2).

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3 years ago

2) Find the angle measures of a triangle if the first angle is thirty-one degrees more than

Charra [1.4K]

Answer:

4x+88=180

First angle is 54°

Second angle is 23°

Third angle is 103°

Step-by-step explanation:

Let x be the second angle. First angle is 31+x. Third angle is 2*(31+x)-5 = 62+2x-5 = 2x+57

All angles in a triangle add upto 180°

31+x+x+2x+57 = 180

4x+88=180

Subtract 88 from both sides,

4x = 92

Divide by 4,

x = 23°

31+x = 54°

2x+57 = 2*23 + 57 = 46+57 = 103°

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3 years ago

What is the greatest possible whole number remainder if you divide any number by 41

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The greatest possible remainder is 40.

If it were 41, then the whole number of the quotient would increase by 1.

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3 years ago

Triangle M N P and a line of reflection E G is shown. Which statements must be true about the image of ΔMNP after a reflection a

MA_775_DIABLO [31]

Answer: your answer should be A, C, and E.

I put an image of the correct answers.

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4 years ago