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ser-zykov [4K]
3 years ago
13

7x – 8y = 112 in slope intercept form

Mathematics
2 answers:
Digiron [165]3 years ago
7 0

Answer:

y = 7/8x-14

Step-by-step explanation:

I found the answer to this on a website.

Leona [35]3 years ago
3 0

Answer:

\bf\implies \boxed{\bf y = \dfrac{7}{8}x - 14}

Step-by-step explanation:

We need convert the given equation into slope intercept form . The slope intercept form is ,

\bf\implies y = mx + c

<u>•</u><u> </u><u>So </u><u>that</u><u> </u><u>,</u><u> </u>

\bf\implies 7x - 8y = 112

\bf\implies -8y = 112 - 7x

\bf\implies y =\dfrac{112-7x}{-8}

\bf\implies y =\dfrac{112}{-8}-\dfrac{7x}{-8}

\bf\implies \boxed{\bf y = \dfrac{7}{8}x - 14}

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Trigonometry<br> Special Right Triangles<br> Find the exact value of sec 60* - cosec 30* - sin 0*.
evablogger [386]

Answer:

0

Step-by-step explanation:

cos(60) = ½

sec(60) = 2

sin(30) = ½

cosec(30) = 2

sin(0) = 0

2 - 2 - 0 = 0

8 0
4 years ago
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Rudiy27

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3 years ago
(3 2/3 + 17 1/5) - ( 11 3/5 + 2 1/3) =
Ipatiy [6.2K]

Answer:

6 14/15

Step-by-step explanation:

I would say simplifie the paratensies.

First:

3 2/3+ 17 1/5 =

Common factor of 3 and 5 is 15

3 10/15 + 17 3/15 = 20 13/15

Second:

11 3/5 + 2 1/3 =

Common factor of 3 and 5 is 15

11 9/15 + 2 5/15 = 13 14/15

20 13/15 - 13 14/15 = 7 13/15 - 14/15 = 7 - 1/15 = 6 14/15

4 0
3 years ago
Read 2 more answers
Identify the coefficient of -13x
Vika [28.1K]

Answer:

-13

Step-by-step explanation:

Detention of coefficient: The number next to the letter variable.

5 0
3 years ago
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A scientist needs 10 L of a solution that is 60% acid. She has a 50% acid solution and a 90% acid solution she can mix together
sineoko [7]

Answer:

<u>The equations system is:</u>

<u>x + y = 10</u>

<u>0.5x + 0.9y = 6</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Liters of 60% acid solution needed = 10

x = Number of liters of the 50% solution

y = Number of liters of the 90% solution

2. Which equation represents the total liters of acid that are needed?

There are two equations needed:

The first one related to the total liters needed, 10 in this case:

x + y = 10

The second one related to the acid concentration of the 10 liters:

0.5x + 0.9y = 10 * 0.6

0.5x + 0.9y = 6

<u>The equations system is:</u>

<u>x + y = 10</u>

<u>0.5x + 0.9y = 6</u>

Solving for x and y in the 2nd equation, we have:

0.5 (10 - y) + 0.9y = 6

5 - 0.5y + 0.9y = 6

0.4y = 6 - 5

0.4y = 1

y = 1/0.4 = 2.5 ⇒ x = 7.5 (10 - 2.5)

The scientist can mix 7.5 liters of the 50% acid solution and 2.5 liters of the 90% acid solution to get the 10 liters of the 60% acid solution.

6 0
4 years ago
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