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3 years ago

Please help asap! i’m confused which proof to use!

Mathematics

2 answers:

sweet-ann [11.9K]3 years ago

4 0

Answer:

a direct proof

Step-by-step explanation:

notka56 [123]3 years ago

3 0

Answer:

direct proof

Step-by-step explanation:

any kind of chart wouldnt be helpful, and an indirect proof wouldnt either.

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Change -40° to radians. A). 2π/9 B). -2π/9 C). 4π/9 D). -4π/9

Inessa05 [86]

To solve this, we are going to multiply our degrees by a conversion factor. Remember that 1°= $\frac{ \pi }{180}$ , so to convert -40° to radians, we are going to multiply -40° by the conversion factor $\frac{ \pi }{180}$ ; that way we can cancel degrees and express our answer in radians:

(-40°) $(\frac{ \pi }{180} )= -\frac{2 \pi }{9}$

We can conclude that the correct answer is: B). -2π/9

3 0

3 years ago

Need help asap please

Trava [24]

Answer:

$\displaystyle no$

Step-by-step explanation:

The triangle on the right is bigger than the triangle on the left.

I am joyous to assist you at any time.

3 0

3 years ago

An aerodynamic three-wheeled automobile (the Dart) runs on compressed natural gas stored in two cylinders in the rear of the veh

pogonyaev

Answer:

a) 7702.88 miles

b) If we drive more than 7702.88 miles per year, the dart would be more economical.

Step-by-step explanation:

Assuming a useful life of 7 years.

Let's calculate EUAC dart:

(15000)(A/P, 10%, 7) + (X/100mpg)(8)

= 15000 * 0.2054 + 0.08

= 3081.15 + 0.08X

EUAC For other automobile:

(12000)(A/P, 10%, 7) + (X/50mpg)(8)

= 12000 * 0.2054 + 0.16X

= 2464.92 + 0.16X

a) To solve for X, we have:

EUAC dart = EUAC other automobile

3081.15 + 0.08X = 2464.92 + 0.16X

0.08X - 0.16X = 2464.92 - 3081.15

-0.08X = - 616.23

X = 7702.88 miles

b) The range of annual miles driven is the Dart more economical.

EUAC dart < EUAC other automobile

3081.15 + 0.08X < 2464.92 + 0.16X

X > 7702.88 miles

If we drive more than 7702.88 miles per year, the dart would be more economical.

5 0

3 years ago

What is the quotient of 20 and n

Tpy6a [65]

N
8
→
I used
n
as the unknown number
Explanation:
The quotient is the result of division between two numbers.
The quotient of a number (I used
n
) and
8
would be
n
8

6 0

3 years ago

Mark purchased a new refrigerator that sells for $1300 including tax and delivery. He paid $350 down and the remaining cost in f

sashaice [31]

Answer:

$ 190.00 a month.

Step-by-step explanation:

$350.00 subtracted from $1300.00 equals $950.00. $950.00 divided by 5 equals the amount of money Mark payed each of his remaining payments.

5 0

4 years ago