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3 years ago

The Cramer's Rule states that, in a system of equation in two unknowns, in which determinants D is not 0, X=_and Y=_.

Mathematics

1 answer:

yan [13]3 years ago

5 0

Answer:

Step-by-step explanation:

$x=\frac{D_{1}}{D} \\y=\frac{D_{2}}{D}$

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2m - 6 = 8m then 3m =

Vinil7 [7]

Answer:

3m = -3

Step-by-step explanation:

You are given

2m - 6 = 8m,

hence,

2m - 8m = 6,

-6m = 6,

m = 6%2F%28-6%29,

m = -1.

Therefore, 3m = -3.

5 0

3 years ago

How do I Solve for x: -2(x+3)=-2x-6

BlackZzzverrR [31]

Answer:

Step-by-step explanation:

all you need to do is use the distributive property and then you"ll get the answer

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3 years ago

HELP ASAP!!!!!!!! 15 POINTS + BRAINLIEST!!!!!!

Andre45 [30]

A) c=18
0.5c^2 +13=94
subtract 13 from both sides
0.5c^2 = 81
Square root of both sides to get c alone
0.5c=9
double c to make it just c
c=18

B) x=8
(x-2)^2+1=37
Subtract one from each side
(x-2)^2=36
square root each side
x-2=6
add the 2 over
x=8

6 0

2 years ago

The summer olympic occurs every 4 years. Every 6 years, a US senator runs for reelection. If both events occurred last year how

deff fn [24]

Answer:

12 years

Step-by-step explanation:

every 4 years, olympic occurs.

Every 6 years, senator reelection.

if last year was 2020

in 2024 olympic will occur

in 2026 the reelection will occur

in 2028 olympic will occur

in 2032 olympic and reelection will occur will occur

2032 - 2020 = 12

12 years is the answer

7 0

3 years ago

Sam surveyed his classmates to find out if they played a sport after school or practiced in the

rjkz [21]

Answer:Sam surveyed his classmates to find out if they played a sport after school or practiced in the

school band

- 14 of his classmates played a sport

- of those 14 who played, 5 participated in the school band

- 8 students played in the school band, and out of those 8, 3 did not play sports

- there were 10 students who did not play a sport nor participate in the school band

Create a two way table to represent the data and answer the following questions

Step-by-step explanation:

4 0

2 years ago

The Cramer's Rule states that, in a system of equation in two unknowns, in which determinants D is not 0, X=_____and Y=_____.​

The Cramer's Rule states that, in a system of equation in two unknowns, in which determinants D is not 0, X=_and Y=_.