All categories

2 years ago

It’s elimination -x+6y=3 -4x-2y=-14

Mathematics

1 answer:

gavmur [86]2 years ago

6 0

Answer:

(3,1)

Step-by-step explanation:

Multiplying the second equation by 3, we get

-12x-6y=-42.

Now, adding this to the first equation, we get

-13x=-39

Therefore, x=3

plugging in x=3 to the first equation, we get that

-3+6y=3

adding 3 to both sides,

6y=6

therefore, y=1

You might be interested in

HELP say im getting it wrong the perimeter of the polygons is ?

lara [203]

So the answer would be16*4=64

8 0

2 years ago

The probability that a male will be colorblind is .042. Find the probabilities that in a group of 53 men, the following are true

Dvinal [7]

Answer:

See below for answers and explanations

Step-by-step explanation:

Part A

$\displaystyle P(X=x)=\binom{n}{x}p^xq^{n-x}\\\\P(X=5)=\binom{53}{5}(0.042)^5(1-0.042)^{53-5}\\\\P(X=5)=\frac{53!}{(53-5)!*5!}(0.042)^5(0.958)^{48}\\\\P(X=5)\approx0.0478$

Part B

$P(X\leq5)=P(X=1)+P(X=2)+P(X=3)+P(X=4)+P(X=5)\\\\P(X\leq5)=\binom{53}{1}(0.042)^1(1-0.042)^{53-1}+\binom{53}{2}(0.042)^2(1-0.042)^{53-2}+\binom{53}{3}(0.042)^3(1-0.042)^{53-3}+\binom{53}{4}(0.042)^4(1-0.042)^{53-4}+\binom{53}{1}(0.042)^5(1-0.042)^{53-5}\\\\P(X\leq5)\approx0.9767$

Part C

$\displaystyle P(X\geq 1)=1-P(X=0)\\\\P(X\geq1)=1-(1-0.042)^{53}\\\\P(X\geq1)\approx1-0.1029\\\\P(X\geq1)\approx0.8971$

6 0

2 years ago

What is the area of this figure? Enter your answer in the box.

Hoochie [10]

Answer:

6 i think double check though

Step-by-step explanation:

3 0

3 years ago

A agent of receive the 10 percent commission on selling price of house, if the selling price of a house B 10000000 find the actu

Gala2k [10]

Answer:

B 11,000,000

Step-by-step explanation:

Commission was 10 percent, 10 percent of 10,000,000 is 1,000,000, therefore add 1,000,000 to 10,000,000, which equals to 11,000,000

Actual price of house after commission= B 11,000,000

6 0

2 years ago

Find the volume of a cylinder with a height of 16ft and diameter of 7 feet. Write answer in pie

finlep [7]

Answer:

Step-by-step explanation:

volume of cylinder=V=πr^2h

given diameter=7 feet

radius=7/2 ft

height=16ft

v=π×7/2×7/2×16

=12.25×16×π

=196π

hope this helps

plzz mark me brainliest

5 0

3 years ago