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3 years ago

Please answer please please

Mathematics

2 answers:

Oksi-84 [34.3K]3 years ago

5 0

Answer:

B)96 words per minute

Step-by-step explanation:

480 ÷5 =96

jeyben [28]3 years ago

3 0

Answer:

96 i think

Step-by-step explanation:

i did 480/5

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The first class had a kids in it, the second had b kids in it, and

kap26 [50]

Answer:

Try abc ÷ 2

Step-by-step explanation:

F Class = a

S Class = b

T Class = c

a + b + c = abc

Two buses = 2

abc ÷ 2

4 0

3 years ago

Plzzzz help and I'll give you brainliest

sdas [7]

Step-by-step explanation:

Left hand side:

4 [sin⁶ θ + cos⁶ θ]

Rearrange:

4 [(sin² θ)³ + (cos² θ)³]

Factor the sum of cubes:

4 [(sin² θ + cos² θ) (sin⁴ θ − sin² θ cos² θ + cos⁴ θ)]

Pythagorean identity:

4 [sin⁴ θ − sin² θ cos² θ + cos⁴ θ]

Complete the square:

4 [sin⁴ θ + 2 sin² θ cos² θ + cos⁴ θ − 3 sin² θ cos² θ]

4 [(sin² θ + cos² θ)² − 3 sin² θ cos² θ]

Pythagorean identity:

4 [1 − 3 sin² θ cos² θ]

Rearrange:

4 − 12 sin² θ cos² θ

4 − 3 (2 sin θ cos θ)²

Double angle formula:

4 − 3 (sin (2θ))²

4 − 3 sin² (2θ)

Finally, apply Pythagorean identity and simplify:

4 − 3 (1 − cos² (2θ))

4 − 3 + 3 cos² (2θ)

1 + 3 cos² (2θ)

3 0

3 years ago

7. What's the equation of the line<br> that passes through the points (-8,4)<br> and (0,22)?

butalik [34]

Answer:Did you figure it out?

Step-by-step explanation:

6 0

3 years ago

Which of the following would not be the result of a substitution in the following system? 2x + y = 7 y - x = 1

telo118 [61]

Answer: Option C.

Step-by-step explanation:

A) The result of the substitution shown in Option A is obtained by solving for y from the first equation and substituting into the second equation:

$2x + y = 7\\y=7-2x$

$y - x = 1\\7-2x-x=1$

Therefore, this is a result of a substitution in the given system.

B) The result of the substitution shown in Option B is obtained by solving for y from the second equation and substituting into the first equation:

$y - x = 1$

$y=x+1$

$2x + y = 7\\2x + x + 1 = 7$

Therefore, this is a result of a substitution in the given system.

C) The result of the substitution shown in Option C is not a result of a substitution in the given system, because if you solve for x from the second equation and substitute into the first one, you get:

$y-x=1\\(-1)(-x)=(-y+1)(-1)\\x=y-1\\\\2(y - 1) + y = 7$

4 0

4 years ago

Find x in the kite below

geniusboy [140]

Answer:

x = 110

Step-by-step explanation:

comment if you want explanation

8 0

3 years ago

Read 2 more answers