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2 years ago

6x+7 X=3 Evaluate the expression

Mathematics

1 answer:

pogonyaev2 years ago

3 0

Plug the 3 in for x because x=3 so it’ll be 6(3)+7 and that equals 25

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How to find Co factor of elements of Determinant

Sophie [7]

Answer:

Step-by-step explanation:

We can easily find the determinant of a matrix of which will be the cofactor of 2. Multiplying the diagonal elements of the matrix, we get. Now subtract the value of the second diagonal from the first, i.e, 48 – 3 = 45. Check the sign that is assigned to the number

6 0

2 years ago

HELPPPPPP HELPPPPP PLEASE!!!!!!

blondinia [14]

Answer:

Step-by-step explanation:

x squared add up to 9x^2 and 5-5=0 so it has to be D

6 0

1 year ago

At barlow school 4/9 of the 873 students are boys at willow school 2/3 of the 630 students are girls which school has the greate

marishachu [46]

Answer:

There are 178 more boys in Barlow school as compared to Willow school.

Step-by-step explanation:

We are given the following in the question:

Barlow school:

Total number of students = 873

Number of boys =

$=\dfrac{4}{9}\times 873 = 388$

Willow school:

Total number of students = 630

Number of girls =

$=\dfrac{2}{3}\times 630 = 420$

Number of boys =

Total number of students - total number of girls

$=630-420 = 210$

Thus, Barlow school has greater number of boys than Willow school.

Difference between the number of boys =

$=388-210\\=178$

Thus, there are 178 more boys in Barlow school as compared to Willow school.

7 0

3 years ago

Answers for both boxes please for 25 points!

MrRa [10]

Answer:

Step-by-step explanation:

you just need to add both equations

you will get 3y=12+6=18

3y=18

y=6

now replace y=6

3x+12=6

3x=6-12

3x=-6

x=-2

(-2,6)

5 0

3 years ago

Read 2 more answers

29300$ at 10% for six years use simple interest to find the ending balance show all work

krok68 [10]

Answer:

17580

Step-by-step explanation:

29300*0.10*6=I

29300*0.6=I

17580=Interest

5 0

2 years ago