2 years ago

Graphing using the y intercept and slope: y = - 3x + 5 b(y - intercept) = m(slope) =

Mathematics

1 answer:

babymother [125]2 years ago

6 0

The answer is 3x- I just took the text

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The sum of two complementary angles is 90°. For one pair of complementary angles, the measure of the first angle is 15 less than

steposvetlana [31]

let 2nd angle = x

then 1st angle = 2x-15

then you have 90 = x + 2x-15

2x +x = 3x

so now 90 = 3x-15

add 15 to each side

105=3x

x = 105/3 = 35

1st angle = 35 degrees

2nd angle = 2(35) - 15 = 70-15 = 65

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3 years ago

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Kesia knows that 1/4=0.25. Explain how she could use this fact to determine the decimal equivalent of 5/8

STatiana [176]

She knows that
$0.25 = \frac{1}{4} = \frac{2}{8}$
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3 years ago

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Simplify. 10 / 7 k + 11 / 7 - 2 k + 2/7 + 2/7 k -6

Nikolay [14]

As written, this is

$\dfrac{10}{7}k+\dfrac{11}{7}-2k+\dfrac{2}{7}+\dfrac{2}{7}k-6=\left(\dfrac{10}{7}-2+\dfrac{2}{7}\right)k+\left(\dfrac{11}{7}+\dfrac{2}{7}-6\right)\\\\=\dfrac{10-14+2}{7}k+\dfrac{11+2-42}{7}\\\\=-\dfrac{2}{7}k-\dfrac{29}{7}$

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2 years ago

Complete the following statement. alb and bic so a [?] А B С neither

marta [7]

Answer:

B option is right

Step-by-step explanation:

These 3 will form a 3d system.

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2 years ago

Jamar's teacher told him that one of the reasons he gave on the proof below was incorrect. Which reason did he make the mistake

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Answer:

Reason given in step 2. is incorrect. It should read; "Distributive Property."

Step-by-step explanation:

The reason given to go from :

2 (3x +4) = 56 to 6x + 8 = 56

is NOT "Multiplication Property of Equality" because one is not multiplying both sides of the equality by a number. The property that is being used is the Distributive Property on the left side of the equation in order to remove the grouping symbols (parenthesis) performing the implied multiplication of the external factor times each term of the binomial in parenthesis.

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3 years ago