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Basile [38]
2 years ago
9

Please help urgently ​

Mathematics
1 answer:
Minchanka [31]2 years ago
3 0

Answer:

-20

Step-by-step explanation:

Use the distributive property to get 2xy-14 (you multiply both xy and -7 by 2.) Now plug in the x and y values to get: 2(-1)(3)-14. This gets you -6-14 which is -20.

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Find the value of 15.0 NN in pounds. Use the conversions 1slug=14.59kg1slug=14.59kg and 1ft=0.3048m1ft=0.3048m.
finlep [7]

3.37 lb

Step-by-step explanation:

The question requires you to convert weight in Newtons to weight in pounds.

Given 15.0 N to convert to pounds, remember the conversion rate where;

1 Newton = 0.224809 pound-force

1 N= 0.224809 lb

15 N= ?

Perform cross-product

=15*0.224809

=3.37 lb

Learn More

Weight conversions:brainly.com/question/762013

Keywords : value,pounds,conversions,significant figures

#LearnwithBrainly

3 0
3 years ago
Write an equation for a line that is parallel to y + 5 = 3(x - 1) and goes through the point (3,-4)
MrRa [10]

Answer:

The  equation for a line that is parallel to y + 5 = 3(x - 1) and goes through the point (3,-4) will be:

  • y = 3x-13

Step-by-step explanation:

Given the equation

y + 5 = 3(x - 1)

Writing in the slope-intercept form

y=mx+b

where m is the slope and b is the y-intercept

y = 3(x-1) -5

y  = 3x-3-5

y = 3x - 8

Thus, the slope = m = 3

We know that the parallel lines have equal slopes.

So, the slope of a parallel line is also 3

Using the point-slope form of the line equation

y-y_1=m\left(x-x_1\right)

substituting the values m = 3 and the point (3, -4)

y-(-4)=3(x-3)

y+4 = 3x-9

y = 3x-9-4

y = 3x-13

Thus, the  equation for a line that is parallel to y + 5 = 3(x - 1) and goes through the point (3,-4) will be:

  • y = 3x-13
5 0
3 years ago
slader How many partitions of the set {1, 2, 3, . . . , 100} are there such that there are exactly three parts and elements 1, 2
My name is Ann [436]

Answer:

3^{97} partitions.

Step-by-step explanation:

As we know if we have x number of elements we can arrange them in x! ways.

here we have 100 elements so we can arrange them in 100! ways.

Now if we have exactly three parts and 1,2 and 3 are in different parts then let consider 1 goes to part 1, 2 goes to part 2, and 3 goes to part 3. For the remaining 97 elements,  we have three options for each element, thus we can arrange the remaining 97 elements in 3^{97} ways/partitions.

each of these partition will contain only three elements.

7 0
3 years ago
Is this correct?????
pickupchik [31]

Yes it’s correct my sister had something similar to that :)

7 0
3 years ago
Read 2 more answers
Describe the next figure in each pattern. Then draw the figure
madreJ [45]
The first figure has 3 angles, the second one has 4 angles, the third one has 5 angles so the next one will have 6 angles.

The violet figures inside stick with each side of the outer figures in the middle, so the last figure will look more less like in the attachment.

6 0
3 years ago
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