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3 years ago

12 1/2 as a decimal .......................................................

Mathematics

2 answers:

marysya [2.9K]3 years ago

7 0

12.5 because a half of 100 is 50 so 12.50

velikii [3]3 years ago

5 0

Answer:

Same as alyssamccluree

Step-by-step explanation:

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Find the equation of a line that is perpendicular to 4x+6y=1 that has a greater y intercept compared to 2x+3y=18

Marina86 [1]

Answer:

4y = 6x + 40

Step-by-step explanation:

The general equation of a straight line is y = mx + b

m is the slope and b is the y-intercept

let us write both equations in this form;

we have this as;

6y = -4x + 1

y = -4x/6 + 1/6

and;

2x + 3y = 18

3y = -2x + 18

y = -2x/3 + 6

So firstly we want to find an equation that is perpendicular to the first

When two lines are perpendicular, their slopes has a product of -1

The slope of the first line is -4/6

let the slope of the line we want be m

As per they are perpendicular;

-4/6 * m = -1

-4m/6 = -1

-4m = -6

m = 6/4

So now, we want the y-intercept greater than that of the second equation which is a y-intercept of 6

we can choose 10

and we have the equation as:

y = 6x/4 + 10

multiply through by 4

4y = 6x + 40

7 0

3 years ago

Which explicit and recursive formulas match the geometric sequence 5, 15, 45, 135...?

lisov135 [29]

Answer:

155

Step-by-step explanation:

because he's skipping

5 0

3 years ago

What is the equation of a line in slope intercept form that passes through the points (-4,3) and (-2,4)

Aleks [24]

Answer:

y=1/2x+5

Step-by-step explanation:

y-y/x-x for slope

4-3/-2-(-4) 1/2

7 0

3 years ago

Read 2 more answers

If a large cylinder has a volume of 28260 cubic cm, how many cylinders can be filled out of the large cylinder if the small cyli

inysia [295]

Hi,

To find the number of small cylinders that fit inside the big cylinder. You need to divide volume of small cylinder with the volume of big cylinder. We do this by using formula to calculate volume of cylinder:

$v = \pi \times {r}^{2} \times h$

To find radius just divide diameter with 2.

$v = \pi \times {2}^{2} \times 6 \\ v = \pi \times 4 \times 6 \\ v = \pi \times 24 \\ v = 3.14 \times 24 \\ v = 75.4 {cm}^{3}$

Now just division:

$28260 \div 75.4 = 374.8$

Answer: You could fit 374.8 smaller cylinders inside a big cylinder.

Hope this helps.
r3t40

7 0

3 years ago

Can I please get some help. I am soooooo stuck.... 30 points!<br> What is the area of this figure?

BARSIC [14]

Answer:

42 units

Step-by-step explanation:

count the full unit so there is 34, then there is 16 pieces of units so connect two to make a full unit so then there will be 8 more full units so make 42

6 0

3 years ago