2 years ago

What is the solution to this equation? 4x^2+98=0

Mathematics

1 answer:

Bess [88]2 years ago

6 0

There is no real solution

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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.

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2 years ago

Which of the following is

emmainna [20.7K]

B.13.1 that’s the answer

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3 years ago

QUESTION ONE: Solve for h.

Setler79 [48]

Answer:

h = - 105

Step-by-step explanation:

Given

$\frac{h}{14}$ = - 7.5 ( multiply both sides by 14 to clear the fraction )

h = - 105

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2 years ago

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A number has the digits 1, 9 and 5 to the nearest 100 the number rounds to 600. What is the number?

mars1129 [50]

Answer:

591

Step-by-step explanation:

the closest number to 600 out of every combo

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591

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3 years ago

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6.8 * 10(2) *keep in note that "2" is an exponent in this question*

Virty [35]

Answer:

Step-by-step explanation:

6.8 × $10^2$

= 68

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2 years ago