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4 years ago

-50 + 10y = 12x Please help !!

Mathematics

2 answers:

konstantin123 [22]4 years ago

8 0

I thinks is -20 and 20

Mnenie [13.5K]4 years ago

4 0

If you are wanting to just find slope intercept form you add 50 to both sides so you have 10y=12x+50 then divide 10 on both sides so your final answer is y=1.2x+5. But if you are wanting to figure out what x and y are you need more information. Hope this helped!!

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Lauren says that two expressions 3x+4(2x+5) and 6x +5x . do these equal the same

spin [16.1K]

<em>these do not equal the same. </em>

step by step: 3x + 4 (2x + 5)

multiply 4 by 2x, which is 8, then multiply 4 by 5, which is 20.

simplify; 3x + 8x + 20

combine like terms; (3x + 8x) + (20)

you’ll come up with 11x + 20

step by step: 6x + 5x

just add the two together and... bam, you get 11x.

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4 years ago

What is the product of 3+2i and 3-2i?

Cloud [144]

Step-by-step explanation:

$(3 + 2i)(3 - 2i) \\ \\ = {3}^{2} - {(2i)}^{2} \\ \\ = 9 - 4 {i}^{2} \\ \\ = 9 - 4( - 1).. ( \because \: {i}^{2} = - 1) \\ \\ = 9 + 4 \\ \\ = 13 \\ \\ \therefore \: (3 + 2i)(3 - 2i) = 13$

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3 years ago

A hat is on sale for h dollars. The regular price is 7 times as much. Charlie has enough money to buy two hats at the regular pr

Nostrana [21]

Answer:

Charlie can buy 14 hats at the sale price

Step-by-step explanation:

Let

h ----> the sale price of the hat

x ---> the regular price of the hat

we know that

$x=7h$ ----> equation A

Two hats at the regular price is equal to multiply 2 by x

Multiply by 2 equation A both sides

$2x=(7h)*2$

$2x=14h$

2 hats at the regular price cost the same that 14 hats at the sale price

therefore

Charlie can buy 14 hats at the sale price

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3 years ago

To compute a student's Grade Point Average (GPA) for a term, the student's grades for cach course are weighted by the number of

Andreyy89

Answer:

The student's GPA = 3.24

Step-by-step explanation:

To determine the student's GPA for the term,

First, we will determine the weighted grade points and then divide the result by the total credit.

The weighted grade point is the sum of the grade points in the courses.

Grade point for a course is calculated by multiplying the grade by the course credit.

For the Math course,

Grade point = 3.6 × 5 = 18.0

For the Music course,

Grade point = 2.5 × 2 = 5.0

For the Chemistry course,

Grade point = 3.0 × 5 = 15.0

For the Journalism course,

Grade point = 3.4 × 5 = 17.0

Hence,

The weighted grade point = 18.0 + 5.0 + 15.0 + 17.0

The weighted grade point = 55.0

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∴ The student's GPA = 55.0 / 17 = 3.24

Hence, The student's GPA = 3.24

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Studentka2010 [4]

Answer:

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Step-by-step explanation: just know

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