3 years ago

PLEASE HELP ASAP FOR 10 POINTS

Mathematics

2 answers:

Rom4ik [11]3 years ago

7 0

it is 4m my dude .

i need to write 20 characters but my lazy a hates typing out math so yeah

Olenka [21]3 years ago

5 0

Answer:

The answer is 4m

Step-by-step explanation:

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Isabella has dance class every 3 days and soccer

Nataliya [291]

Answer:

Step-by-step explanation:

first you need to find the LCM (least common multiple) which is 15 so then every 15 days she will have both soccer, dance class and swimming class on the same day

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3 years ago

The sum of two consecutive even integers is -134 . What are the two numbers?

Mamont248 [21]

2x + 2x+2 = -134
4x + 2 = -134
4x = -136 |: 4
x = -34

2x = 2 * (-34) = -68
2x + 2 = -68 + 2 = -66

This numbers are -66 and -68.

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1/4 ÷ 3/8 in simplest form

Effectus [21]

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3 years ago

Convert Зcis 180° to rectangular form.<br> А. -3<br> в. -3i<br> с. з<br> D. Зі.

Sunny_sXe [5.5K]

Answer:

-3

Step-by-step explanation:

$3 cis(180^\circ)$ means $3(\cos(180^\circ)+i \sin(180^\circ))$

What is the $x$ -coordinate value that corresponds to $\theta=180^\circ$ . That value is -1.

What is the $y$ -coordinate value that corresponds to $\theta=180^\circ$ . That value is 0.

So this implies $\cos(180^\circ)=-1 \text{ and } \sin(180^\circ)=0$ .

$3 cis(180^\circ)$

$3(\cos(180^\circ)+i \sin(180^\circ))$

$3(-1+i (0))$

$3(-1+0)$

$3(-1)$

$-3$

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3 years ago