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qwelly [4]
3 years ago
5

Estimate round to nearest ten thousand 649,891 - 35,427

Mathematics
1 answer:
Setler [38]3 years ago
6 0
694,891 - 35,427 rounded to the nearest ten thousand is 614,000.
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Line p has an equation of y=-8x+6. Line q, which is perpendicular to line p, includes the point (2,–2). What is the equation of
Arturiano [62]

Answer:

y =  \frac{1}{8} x - 2  \frac{1}{4}

Step-by-step explanation:

<u>Slope-intercept </u><u>form</u>

y= mx +c, where m is the slope and c is the y-intercept

Line p: y= -8x +6

slope= -8

The product of the slopes of perpendicular lines is -1. Let the slope of line q be m.

m(-8)= -1

m= -1 ÷(-8)

m= ⅛

Substitute m= ⅛ into the equation:

y= ⅛x +c

To find the value of c, substitute a pair of coordinates that the line passes through into the equation.

When x= 2, y= -2,

-2= ⅛(2) +c

- 2 =  \frac{1}{4}  + c

c =  - 2 -  \frac{1}{4}

c =  - 2 \frac{1}{4}

Thus, the equation of line q is y =  \frac{1}{8} x - 2 \frac{1}{4}.

4 0
3 years ago
Simplify the following expressions pliss help my <br>​
IrinaK [193]
Use photo math it helps with everything
3 0
4 years ago
Help me please i have been stuck on this
Sveta_85 [38]

Answer:

3 1/8

Step-by-step explanation:

You can rewrite 1 1/4 as 1 2/8, so adding them you'd get 2 9/8, or 3 1/8

3 0
3 years ago
What is
disa [49]
<h3>Explanation:</h3>

There is a theorem :

\mathbf{a^{2}-b^{2}=(a-b)(a+b)}

Proof: open the brackets on right side of equality by using distributive property

RHS = a(a+b) - b(a+b)

RHS = \mathrm{a^{2}+ab-ab-b^{2}}

RHS = \mathrm{a^{2}-b^{2}} = LHS

Using the above theorem you can solve every question you asked:

  • \mathrm{4x^{2}-1=(2x)^{2}-1^{2}=(2x-1)(2x+1)}
  • \mathrm{9x^{2}-64=(3x)^{2}-(8)^{2}=(3x-8)(3x+8)}
  • \mathrm{49x^{2}-121=(7x)^{2}-(11)^{2}=(7x-11)(7x+11)}
  • \mathrm{4x^{2}-y^{2}=(2x)^{2}-y^{2}=(2x-y)(2x+y)}
  • \mathrm{9x^{2}-b^{2}=(3x)^{2}-b^{2}=(3x-b)(3x+b)}
  • \mathrm{16x^{2}-9b^{2}=(4x)^{2}-(3b)^{2}=(4x-3b)(4x+3b)}
  • \mathrm{x^{2}-42^{2}=(x-42)(x+42)}
6 0
4 years ago
Question 17(Multiple Choice Worth 1 points)
Marina86 [1]

Answer:A fine of $0.75 is paid if the book returned by the due date.

No fine is paid if the book is returned 1 day after the due date.

A fine of $0.75 is paid if the book is returned 1 day after the due date.

Bit by bit clarification:

A fine of $0.75 is paid if the book returned by the due date.

No fine is paid if the book is returned 1 day after the due date.

A fine of $0.75 is paid if the book is returned 1 day after the due date.

3 0
3 years ago
Read 2 more answers
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