2 years ago

Can someone help me with this. Will Mark brainliest. Need answer and explanation/work. Thank you.

Mathematics

1 answer:

White raven [17]2 years ago

6 0

Answer:

-2x+2

Step-by-step explanation:

it is directly underneath the original equation and they never intersect

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Solve the system of subsitution method y=2-1 and y=x+3

aleksklad [387]

The answer should be x=-2

4 0

2 years ago

Prove each statement that is true and ﬁnd a counterexample for each statement that is false. Assume all sets are subsets of a un

tekilochka [14]

Answer with Step-by-step explanation:

We are given that A, B and C are subsets of universal set U.

We have to prove that

$A\cap (B-C)=(A\cap B)-(A\cap C)$

Proof:

Let x $\in A\cap (B-C)$

Then $x\in A$ and $x\in(B-C)$

When $x\in ( B-C)$ then $x\in B$ but $x\notin C$

Therefore, $x\in( A\cap B)$ but $x\notin (A\cap C)$

Hence, it is true.

Conversely , Let $x\in(A\cap B)$ but $x\notin(A\cap C)$

Then $x\in A$ and $x\in B$

When $x\notin ( A\cap C)$ then $x\notin C$

Therefor, $x\in A\cap (B-C)$

Hence, the statement is true.

5 0

2 years ago

PLEASE HELPPPP I NEED THIS FASTTTTT

rusak2 [61]

Answer:

$there \: are \: 8 \: values \\ = \frac{8}{17} \times 100\% \\ = 47\%$

6 0

1 year ago

The radius of the base of a right circular cone is 4 in., and its slant height is 15 in. If the radius and the slant height are

alukav5142 [94]

Answer:

Step-by-step explanation:

radius r = 4 in

slant height L = 15 in

base area = πr² = 16π in²

lateral area = πrL = 60π in²

surface area = 76π in²

r = 4×6, L = 15×6

base area = (4×6)²π = 16π×36

lateral area = 60π×36

surface area is multiplied by 36

3 0

2 years ago

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Nuetrik [128]

Answer:

x=63

Step-by-step explanation:

The two interior angles add up the the exterior angle, so 51+x+12=2x. From there, solve to get x=63. Hope this helped!

7 0

1 year ago