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3 years ago

If JK LM , which statement is true?

Mathematics

1 answer:

Oliga [24]3 years ago

7 0

Answer:

The correct answer is third option

JK and LM meet at a right angle.

Step-by-step explanation:

It is given that, JK ⊥ LM

JK and LM are two line segments.

If two line segments are perpendicular to each other means that two lines are intersecting each other making angle 90°

Here JK ⊥ LM therefore JK and LM meet at a right angle.

Therefore the correct answer is third option.

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Paola made a rectangular painting that has an area of 24 square feet. He now wants to make a similar

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Answer:

D.) 10 2/3 square feet

Step-by-step explanation:

The area will change by $(\frac{2}{3}) ^2=\frac{4}{9}$

multiply the area by 4/9 and you get 32/3 = 10 and 2/3 (because 10 = 30/3)

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3 years ago

katie learns 2 new apetizer recipes during each week of culinary school. write an equation that shows the relationship between t

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4 years ago

The width of a rectangle is 6 inches shorter than 3 times it’s length. The width of the rectangle is at least 45 millimeters. Wr

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3 years ago

If -xy – 5+ y^2+ x^2= 0 and it is known that dy/dx= y-2x/-x+2y, find all

sleet_krkn [62]

Answer:

There is no point of the form (-1, y) on the curve where the tangent is horizontal

Step-by-step explanation:

Notice that when x = - 1. then dy/dx becomes:

dy/dx= (y+2) / (2y+1)

therefore, to request that the tangent is horizontal we ask for the y values that make dy/dx equal to ZERO:

0 = ( y + 2) / (2 y + 1)

And we obtain y = -2 as the answer.

But if we try the point (-1, -2) in the original equation, we find that it DOESN'T belong to the curve because it doesn't satisfy the equation as shown below:

(-1)^2 + (-2)^2 - (-1)*(-2) - 5 = 1 + 4 + 2 - 5 = 2 (instead of zero)

Then, we conclude that there is no horizontal tangent to the curve for x = -1.

3 0

3 years ago

in a certain recipe, 2 1/4 cups of flour are called for to make a cake that serves 6. of mrs. jenkins wants to use the same reci

Phoenix [80]

If in a certain recipe, a cake serving 6 persons require $2(\frac{1}{2} )$ cups of flour and Mrs. Jenkins wants to use the same recipe to make a cake for 8, then she will need to use $3(\frac{1}{3})$ cups of flour.

As per the question statement, $2(\frac{1}{2} )$ cups of flour are required to bake a cake that serves 6. Mrs. Jenkins wants to use the same recipe to bake a cake for 8.

We have to calculate the number of cups of flours she will need to bake her desired cake as per the same recipe.

To solve this question, we will simply use the unitary method, i.e.,

A cake serving 6 required $2(\frac{1}{2} )=\frac{5}{2}$ cups of flour in its preparation, then,

A cake serving 1 person will require $\frac{\frac{5}{2} }{6} =\frac{5}{12}$ cups of flour, and finally,

A cake serving 1 person will require $(\frac{5}{12} *8)=\frac{10}{3}=3(\frac{1}{3})$ cups of flour.

Hence, Mrs. Jenkins wants to use the same recipe to make a cake for 8, then she will need to use $3(\frac{1}{3})$ cups of flour.

Unitary Method: In Mathematics, the unitary method is a problem-solving technique where, we first find the value of a single unit, and then calculate the necessary value by multiplying that single unit value.

To learn more about Unitary Method, click on the link below.

brainly.com/question/23423168

#SPJ4

8 0

1 year ago