2 years ago

-2 and 2 are...... (check all that apply)

Mathematics

1 answer:

bonufazy [111]2 years ago

3 0

Answer:

A,B,D

Step-by-step explanation:

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What is 7P4 A: 28 B: 35 C: 210 D: 840

Semmy [17]

Answer:

Step-by-step explanation:

using the definition of n $P_{r}$ = $\frac{n!}{(n-r)!}$

where n! = n(n- 1)(n - 2)......× 3 × 2 × 1

here n = 7 and r = 4, hence

7 $P_{4}$

= $\frac{7!}{3!}$

= $\frac{7(6)(5)(4)(3)(2)(1)}{3(2)(1)}$ ← cancel 3 × 2 × 1 leaving

7 $P_{4}$ = 7 × 6 × 5 × 4 = 840 → D

4 0

3 years ago

Read 2 more answers

Make sure your answer is in

romanna [79]

Answer:

210° , 330°

Step-by-step explanation:

using the sides of the 30- 60- 90 triangle

with legs 1, $\sqrt{3}$ and hypotenuse 2 , then

$sin^{-1}$ $\frac{1}{2}$ = 30° ← related acute angle

since $sin^{-1}$ - $\frac{1}{2}$

then angle is in third / fourth quadrants , then required angles are

180° + 30° = 210° ← in third quadrant

360° - 30° = 330° ← in fourth quadrant

6 0

2 years ago

Please helpppp???????????

Temka [501]

Step-by-step explanation:

I think 360-175 iam not sure

4 0

3 years ago

Each circle counts as one whole. Write a mixed number giving the amount shaded. Then, write this amount as an improper fraction.

ryzh [129]

Answer: 1 3/4 is your mixed fraction and 7/4 is the improper fraction.

Step-by-step explanation:

6 0

2 years ago

Use the form |x-b|<=c or |x-b|>=c to write an absolute value inequality that has the solution set -1<=x<=3.

IgorLugansk [536]

Answer:

Your answer would be:
X = -4

-1 <= -4 <= 3.

Step-by-step explanation:

Have a great rest of your day
#TheWizzer

8 0

2 years ago