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3 years ago

Solve −4(x + 10) − 6 = −3(x − 2). a −40 b −46 c −52 d 52

Mathematics

2 answers:

12345 [234]3 years ago

6 0

The answer is C. -52.

Nata [24]3 years ago

6 0

X = -52 so.....C and I'm positive this time.

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Can you give a reason why a calculator shows 2/3 equal to 0.666666667

frosja888 [35]

This is because 2÷3 = 0 . Six repeating but the Calculator rounds the last 6 to 7 because I can't fit all the repeating sixes in one calculator

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2 years ago

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The area of a circle with radius r is given by A = π r2. Find the area of a circle with radius 7 centimeters. Use 3.14 for π..

scZoUnD [109]

Step-by-step explanation:

Hey there!

Given;

Radius of a circle (r) = 7cm

Now;

We know that;

Area of circle (a) = π*(r^2)

= 3.14*(7^2)

= 3.14*49

= 153.86 cm^2

Therefore, the area of a circle is 153.86 cm^2.

Hope it helps...

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2 years ago

Extra points not in words

Mashcka [7]

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3 years ago

Which of the following is the equation of a line perpendicular to the line y =

makvit [3.9K]

Answer:

y = $\frac{1}{10}$ x + $\frac{13}{2}$

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - 10x + 1 ← is in slope- intercept form

with slope m = - 10

Given a line with slope m then the slope of a line perpendicular to it is

$m_{perpendicular}$ = - $\frac{1}{m}$ = - $\frac{1}{-10}$ = $\frac{1}{10}$ , thus

y = $\frac{1}{10}$ x + c ← is the partial equation

To find c substitute (5, 7) into the partial equation

7 = $\frac{1}{2}$ + c ⇒ c = 7 - $\frac{1}{2}$ = $\frac{13}{2}$

y = $\frac{1}{10}$ x + $\frac{13}{2}$ ← equation of line

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2 years ago

6) If h= n + 4, and if n = 7, what is h? A) 3 B) 1 D) 12 What is h

zimovet [89]

Answer:

Step-by-step explanation:

If n=7, you would substitute n in the equation with 7.

h=7+4

h=11

3 0

2 years ago

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