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3 years ago

Can someone please help with this 7th grade math question?

Mathematics

1 answer:

pogonyaev3 years ago

8 0

Answer:

B,,,,,,,,, 2, 6, 10, and -8

Step-by-step explanation:

Coefficients are any numbers part of an equation

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What are the points of trisection of the segment with endpoints (0,0) and (27,27) ?

stiks02 [169]

Given:

Endpoints of a segment are (0,0) and (27,27).

To find:

The points of trisection of the segment.

Solution:

Points of trisection means 2 points between the segment which divide the segment in 3 equal parts.

First point divide the segment in 1:2 and second point divide the segment in 2:1.

Section formula: If a point divides a line segment in m:n, then

$Point=\left(\dfrac{mx_2+nx_1}{m+n},\dfrac{my_2+ny_1}{m+n}\right)$

Using section formula, the coordinates of first point are

$Point\ 1=\left(\dfrac{1(27)+2(0)}{1+2},\dfrac{1(27)+2(0)}{1+2}\right)$

$Point\ 1=\left(\dfrac{27}{3},\dfrac{27}{3}\right)$

$Point\ 1=\left(9,9\right)$

Using section formula, the coordinates of first point are

$Point\ 2=\left(\dfrac{2(27)+1(0)}{2+1},\dfrac{2(27)+1(0)}{2+1}\right)$

$Point\ 2=\left(\dfrac{54}{3},\dfrac{54}{3}\right)$

$Point\ 2=\left(18,18\right)$

Therefore, the points of trisection of the segment are (9,9) and (18,18).

6 0

3 years ago

Izzys dog is 10 1/2 years old. Car end dog is 18 months old. How many years older is Izzys dog.

dsp73

12 months in a year. So 18 months= 1 year and 6 months. Izzys dog is 10 1/2= 10 years and six months. Then subtract 1 year and 6 months by 10 year and six months and it would be exactly 9 years older.

6 0

3 years ago

For her phone service , Rania pays a monthly fee of $ 18 , and an additional $0.06 per minute of use. The least she has been cha

pogonyaev

Answer:

I'm assuming we need to find the number of minute she as used. to do that we can right an inequality with m being the number of minutes

18+0.06m≥88.56

we then just solve this like we would with any other algebra equation, First we subtract 18 from both sides.

0.06m≥70.56

Then we dives by 0.06

m≥1176

Rania has used at least 1176 minutes

4 0

3 years ago

An arithmetic sequence has this recursive formula:

Marianna [84]

Answer:

Option D is the correct option.

please see the attached picture for full solution..

Hope it helps...

Good luck on your assignment...

5 0

3 years ago

(5x - 7) + (10x 7) = 180

goldfiish [28.3K]

15x=180
x=12

hope this helps

4 0

3 years ago