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3 years ago

What is 78,045 rounded to the nearest thousand?

1 answer:

8 0

79, 000
Tip: focus on the number/place you need to round from ( in this case 8) if the number is 4 or below it will stay the same, but if the number is 5 or above it will change by 1 number (in this case it will change from 78, 045 to 79, 000)

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Prove this trigonometric identity sin 3x/sin x - cos 3x/cos x =2

Sveta_85 [38]

Step-by-step explanation:

LHS= sin 3x/sin x - cos 3x/cosx

Taking LCM,

=sin3xcosx- cos3xsinx

sinxcosx

=sin(3x-x)

sinxcosx

= 2sin2x

2sinxcosx

= 2sin2x

sin2x

= RHS.

Proved.

8 0

3 years ago

Please help I’ll mark you as brainliest if correct

ki77a [65]

Answer:

Y= 250x+45

Step-by-step explanation:

answer = 250 per hour (X) + 45

7 0

2 years ago

On a map the Browns are using 2

Alona [7]

Answer: 337.5 km

Step-by-step explanation:

Use proportion:

2:75=9:x

2x=675

x=675/2

X=337.5

6 0

3 years ago

If you get this I’ll mark you brilliance

djyliett [7]

Answer:

$1256cm^{3}$

Step-by-step explanation:

Use the formula for the volume of a cylinder $V=3.14(r^{2}) h$ so then you plug in the values to get $1256cm^{3}$

6 0

2 years ago

True or False: A solution to a Linear Inequality is any point in the shaded region?

jasenka [17]

Answer: True!

We know this is true because a linear inequality uses less than/greater than and less than or equal to/greater than or equal to. This means that as long as the answer fits into the given constraints (in a graph these constraints are shown as lines and dashed lines), it is true.

8 0

3 years ago