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2 years ago

Find k if the slope of 4y= -kx - 2 is 4.

Mathematics

1 answer:

oee [108]2 years ago

8 0

Answer:

k = -16

Step-by-step explanation:

Given formula:

4y= -kx - 2, where slope is 4

Slope-intercept formula is:

y = mx + b, where m is the slope

Finding slope by bringing the formula to the same format as above:

4y = -kx - 2
y = -k/4x - 1/2

Slope is -k/4 and comparing it with the given:

-k/4 = 4
k = 4*(-4) = -16

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Given the Trapezoid ABCD Find the length of AD Pls hellpppp

matrenka [14]

Given:

In trapezoid $ABCD, AD\parallel BC, MN$ is the mid-segment of $ABCD, AD=30x-10,MN=31x+1,BC=30x+28$ .

To find:

The length of $AD$ .

Solution:

We know that the length of the mid-segment of a trapezoids is half of the sum of lengths of two parallel sides of the trapezoid.

In trapezoid $ABCD$ ,

$MN=\dfrac{AD+BC}{2}$

$31x+1=\dfrac{30x-10+30x+28}{2}$

$31x+1=\dfrac{60x+18}{2}$

$31x+1=30x+9$

Isolate variable terms.

$31x-30x=9-1$

$x=8$

Now,

$AD=30x-10$

$AD=30(8)-10$

$AD=240-10$

$AD=230$

Therefore, the length of $AD$ is 230.

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2 years ago

Now Ann is x years old and her sister is eight years younger than her. After five years , Anne's age is twice the age of her sis

svp [43]

Answer:

You can refer to the given attachment

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1 year ago

Waylon played defense in 12 soccer games. This was 60% of the total games he played. How many games did Waylon play?

puteri [66]

Answer:

20 games

Step-by-step explanation:

(12/x)=(60/100)

12*100=1200

60x=1200

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2 years ago

615.44 rounded to the nearest tenth

Whitepunk [10]

The answer is 615.4

Hope this helps :)

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3 years ago

Read 2 more answers

Solve. Show your work. 0.24+ 0.532 =

garik1379 [7]

Answer:

0.772

Step-by-step explanation:

0.24+ 0.532 =

Line up the decimals

0.24

+ 0.532

------------

0.772

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3 years ago

Read 2 more answers