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12345 [234]
3 years ago
11

How to solve 1300 ÷ 26 by using multiplication

Mathematics
1 answer:
lions [1.4K]3 years ago
5 0
1300 divided by 26 =50
and 50 times 26 =1300

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A given line has the equation 2x + 12y = −1. What is the equation, in slope-intercept form, of the line that is perpendicular to
VikaD [51]

Answer:

y = 6x + 9

Step-by-step explanation:

The equation of a line in slope- interceot form is

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

Rearrange 2x + 12y = - 1 into this form

Subtract 2x from both sides

12y = - 2x - 1 ( divide all terms by 12 )

y = - \frac{1}{6} x - \frac{1}{12} ← in slope- intercept form

with slope m = - \frac{1}{6}

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

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-\frac{1}{6} } = 6

Note the line passes through (0, 9) on the y- axis ⇒ c = 9

y = 6x + 9 ← equation of perpendicular line

3 0
3 years ago
Read 2 more answers
300 hundreds= how many tens! Pls answer ASAP
Svetradugi [14.3K]

Answer:

300÷10=30

Step-by-step explanation:

hope this helps

8 0
3 years ago
Read 2 more answers
Solve the problem.
krok68 [10]

Answer:

Step-by-step explanation:

Perimeter = 84 feet

Side One = Side Two + 12 feet

Side Two + 17 = Side Three

Side Two + Side Two = Side Four

Perimeter = (Side Two + 12) + (Side Two) + (Side Two + 17) + (Side Two + Side Two) = 5 x (Side Two) + 29 = 84

5x + 29 = 84

5x = 55

x = 11

Side Two = 11 feet

Side One =  11 + 12 = 23 feet

Side Three = 11 + 17 = 28 feet

Side Four = 11 X 2 = 22 feet

7 0
4 years ago
A railway car is shaped like a rectangular prism with a length of 18 meters, a width of 3 meters, and a height of 4 meters.
larisa86 [58]

The volume of railway car is 216 cubic meters

<em><u>Solution:</u></em>

Given that, Railway car is shaped like a rectangular prism with a length of 18 meters, a width of 3 meters and a height of 4 meters

To find: volume of railway car

<em><u>The volume of rectangular prism is given as:</u></em>

v = l \times w \times h

Where,

"l" is the length and "w" is the width and "h" is the height of prism

From given question,

length = 18 meters

width = 3 meters

height = 4 meters

Substituting the values, we get

v = 18 \times 3 \times 4 = 216

Thus volume of railway car is 216 cubic meters

3 0
3 years ago
I'm in 8th grade and I have no idea what positive-negative square roots are! We have a test soon and I need someone to explain t
Alexxx [7]
OK.  Here we go:

What is the square root of  9 ?

You would say that  3  is, and you're correct.
But that's NOT the <em>only one</em> there is !

What about  -3 ?

What do you get when you multiply  (-3)  times  (-3)  ?

(Remember that when the signs of both numbers are <em>the same</em>,
the answer is positive.)

(-3)  times  (-3)  =  9

So  -3  is <em>also</em> the square root of  9 .

That's right . . . every number has <em>two</em> square roots.  They're both the
same number, but one is positive, and one is negative.  When you
multiply <em>either one</em> of them by itself, you get the original number. 

Another way to say the same thing is:
Every number has one positive square root and one negative square root,
and except for the signs, they're both the same number.
6 0
3 years ago
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