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3 years ago

UR GENTTTTTTTTT !!!!!!!!!!!!!!!!!!!!!!! THERE CAN BE MORE THAN 1 ! ALSO

Mathematics

1 answer:

Charra [1.4K]3 years ago

3 0

lol

Step-by-step explanation:

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Evaluate [(21 + 6) − 32] ÷ 9 ⋅ 2. A 4 B 4.6 C 1 D 52

Rom4ik [11]

(27-32)/9*2
-5/9*2
-0.9*2
-1.1 or C. 1

3 0

3 years ago

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Use the distributive property to solve 4 × 7.1

sladkih [1.3K]

Answer:

28.4

Step-by-step explanation:

To use the distributive property, split the 7.1 to 7 and .1

4*7 would be 28 and 4*.1 would be .4

Adding them together would make the answer 28.4

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4 years ago

Emmet rolls a number cube. In 5 out of 24 trials, he rolls a six. What is the

V125BC [204]

Answer:

Step-by-step explanation:

3 0

3 years ago

zubka84 [21]

Answer:

See Explanation Below

Step-by-step explanation:

Given

$(sin x - cos x)^2 = sec^2x - tan^2x - 2sinx.cos x.$

Required

Prove

To start with; we open the bracket on the left hand side

$(sin x - cos x)^2 = (sin x - cos x)(sin x - cos x)$

$(sin x - cos x)^2 = (sin x )(sin x - cos x)- (cos x)(sin x - cos x)$

$(sin x - cos x)^2 = sin^2 x -sinx cos x - sin xcos x + cos^2 x$

$(sin x - cos x)^2 = sin^2 x -2sinx cos x + cos^2 x$

Reorder

$(sin x - cos x)^2 = sin^2 x + cos^2 x - 2sinx cos x$

From trigonometry;

$sin^2x + cos^2x = 1$

So;

$(sin x - cos x)^2 = sin^2 x + cos^2 x - 2sinx cos x$

becomes

$(sin x - cos x)^2 = 1 - 2sinx cos x$

Also from trigonometry;

$sec^2x - tan^2x = 1$

So,

$(sin x - cos x)^2 = 1 - 2sinx cos x$

becomes

$(sin x - cos x)^2 = sec^2x - tan^2x - 2sinx cos x$

Proved

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3 years ago

Josie found a job with an annual salary of $67.3K. What is her monthly pay, rounded to the nearest dollar?

Zina [86]

Answer:

$5,608

Step-by-step explanation:

Since there are 12 months in one year, divide her annual salary by 12.

$67,300/12 = $5,608.33 ≈ $5,608

Josie makes $5,608 per month.

7 0

3 years ago

Read 2 more answers