3 years ago

What kind of number is a negative number?

1 answer:

7 0

Negative number is a number that is less than zero

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vovikov84 [41]

$7x^2 + 21 = 0\\\\7x^2 = -21\\\\x^2 = -\frac{21}{7}\\\\x^2 = -3\\\\x = \sqrt{-3}\\\\\boxed{\bf{x = i\sqrt{3}}}\\\\\boxed{\bf{x=-i\sqrt{3}}}$

8 0

3 years ago

Alja [10]

Answer:

y=1-2x

x=2

(x,y)=(2,-3)

Step-by-step explanation:

5 0

2 years ago

UNO [17]

Answer:

B. The original purchase total must be at most to $44 before the discounts are applied.

Step-by-step explanation:

Solve the inequality by adding $10, then dividing by 0.8.

0.8x -$10 ≤ $25.20

0.8x ≤ $35.20 . . . . . . . . add $10

x ≤ $35.20/0.8 . . . . . . . divide by 0.8

x ≤ $44 . . . . . . . . . the before-discount purchase must be at most $44

4 0

3 years ago

anyanavicka [17]

Answer:

True

It is also known as Theodorus' constant named after Theodorus of Cyrene, who proved its irrationality!

3 0

3 years ago

laiz [17]

Answer:

d-2 < -1

Step-by-step explanation:

4 0

3 years ago