3 years ago

405 is what percent of 6750

Mathematics

1 answer:

sashaice [31]3 years ago

8 0

Answer:

I think its answer is 6%

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15= -45 + 5n solve for n

Karolina [17]

Answer:

n = 12

Step-by-step explanation:

Solve for n:

15 = 5 n - 45

15 = 5 n - 45 is equivalent to 5 n - 45 = 15:

5 n - 45 = 15

Add 45 to both sides:

5 n + (45 - 45) = 45 + 15

45 - 45 = 0:

5 n = 15 + 45

15 + 45 = 60:

5 n = 60

Divide both sides of 5 n = 60 by 5:

(5 n)/5 = 60/5

5/5 = 1:

n = 60/5

The gcd of 60 and 5 is 5, so 60/5 = (5×12)/(5×1) = 5/5×12 = 12:

Answer: n = 12

5 0

3 years ago

Read 2 more answers

Any1 wanna talk on pad let? Im bored. Tell me, and i'll add u. Plz come tho. I have like, 2 actual friends.

klasskru [66]

Answer:

im down

Step-by-step explanation:

5 0

2 years ago

Charlie will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $48 and costs an a

Taya2010 [7]

Answer:

180; both plans would cost $82.20

Step-by-step explanation:

48+.19x=57+.14x

x=180

48+.19(180)=82.2

57+.14(180)=82.2

5 0

3 years ago

Roof trusses often use right triangles to make a flimsy 2 × 4 more rigid to hold up the weight of the roof. If a house is 40 fee

masha68 [24]

The side length would be 23.094010767585

4 0

2 years ago

use the matrix tool to solve the system of equations enter the answer as an ordered pair. 8x+5y=9 -x+y=7

Dimas [21]

Answer:

x = -44/13

y = -65/13

Step-by-step explanation:

Using matrix form means using the crammers rule

The matrix form of the expression is written as;

$\left[\begin{array}{ccc}8&5\\-1&1\\\end{array}\right] \left[\begin{array}{ccc}x\\y\\\end{array}\right] = \left[\begin{array}{ccc}9\\7\\\end{array}\right]$

AX = B

taking the determinant of A;

|A| = 8(1) - 5(-1)

|A| = 8 + 5

|A| = 13

After replacing the first row with the column matrix;

$A_x =\left[\begin{array}{ccc}9&5\\7&-1\\\end{array}\right]$

|Ax| = 9(-1)-5(7)

||Ax| = -9 - 35

|Ax| = -44

x = |Ax|/|A|

x = -44/13

similarly for y

$A_x =\left[\begin{array}{ccc}8&9\\-1&7\\\end{array}\right]$

|Ay| = 8(7)+9

|Ay| = 56+9

|Ay| = 65

y = |Ay|/|A|

y = -65/13

6 0

3 years ago