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3 years ago

What is the equation of the line that is perpendicular to the line y= 3/5x+10 and passes through the point (15,5)?

Mathematics

1 answer:

adelina 88 [10]3 years ago

3 0

Answer:

Step-by-step explanation:

This is really super super simple as long as you know the rules for finding a perpedicular slope from a given line. The perpendicular slope of a line is the opposite reciprocal of the given slope. Our given slope is 3/5, therefore, the perpendicular slope is -5/3. There's only one line with that exact slope, so the choice is the last one. (BTW, check the coordinate you gave. It should be

(15, -5), not (15, 5)!)

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A mix of factoring by grouping. Factor the exressions. 17ax+17a-x-1 Please explain/show steps on how to do this!

mario62 [17]

Answer:

$(x+1)(17a-1)$

Step-by-step explanation:

We are given that

$17ax+17a-x-1$

We have to factorize the given expression.

Pair up the terms

$(17ax+17a)+(-x-1)$

Now, taking common factor

$17a(x+1)-1(x+1)$

Taking common (x+1)

$(x+1)(17a-1)$

Now, we get

$(x+1)(17a-1)$

This is required factors of given expression.

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3 years ago

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Triss [41]

Answer:

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Step-by-step explanation:

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3 years ago

ed is using the recipe shown to make fruit salad he wants to use 30 diced stawberries in his vruit sald how many bananas apples

Leya [2.2K]

We know that 1 serving = 4 bananas
3 apples
6 pears
and 20 strawberrys
To get 30 we need to half 20 =10 20+10=30

That means we also needs to half the other ones
1/2 of 4 = 2 4+2=6
1/2 of 3 = 1.5 3+ 1.5=4.5
1/2 of 6 = 3 6+3=9

6 Bananas
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9 Pears
30 strawberries diced.

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3 years ago

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Please answer this question

GarryVolchara [31]

Answer:

I think its d

isn't the inverse the opposite of the original?

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2 years ago

On a piece of paper, use a protractor and a ruler to construct △ABC with AB=4 in., AC=4 in., and m∠A=60°.

ollegr [7]

Answer:

BC 4 in

Step-by-step explanation:

The steps for construction;

Using a ruler draw line AB 4 inches and label the end points A and B
At point A , using a protractor, measure angle 60° and mark with point. Draw a line from A passing through this point extending to a length of 4 inches
Mark that point C.
Using the ruler, join point C and B and measure BC.

From calculation, length BC can be found by the formula;

$BC=\sqrt{a^2+b^2-2*a*b*cosA}$ ------where a=b=4 in , cos A = cos 60°

$BC=\sqrt{4^2+4^2-2*4*4*cos60}$

BC = 4 in

6 0

3 years ago

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