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2 years ago

Find m2ABC. Ad 37° 21° B m/ABC = C

Mathematics

2 answers:

grin007 [14]2 years ago

5 0

$\bold{ANSWER:}$
58

$\bold{EXPLANATIONS:}$

lidiya [134]2 years ago

3 0

Answer:

it might be 58 , just look it up I don't really know

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Use the FOIL method to find the product. (x - 8)(x + 3)

Sliva [168]

Greetings and Happy Holidays!

FOIL stands for: First Outside Inside Last

FOIL is the order in which you would multiply (distributive property) the different terms:
$(x - 8)(x + 3)$

Multiply the First terms $(x)(x)$ :
$=x^2$

Multiply the Outside terms $(x)(3)$ :
$=x^2+3x$

Multiply the Inside terms $(-8)(x)$ :
$=x^2+3x-8x$

Multiply the Last terms $(-8)(3)$ :
$=x^2+3x-8x-24$

Simplify the expression:
$=x^2-5x-24$

The Answer Is:
$\boxed{=x^2-5x-24}$

I hope this helped!
-Benjamin

8 0

3 years ago

Find the value of x and find the value of polygon JKLM

Leokris [45]

Answer:

1. (B) 73

2. r = 15

Step-by-step explanation:

1. The sum of angles in a triangle is 180°.

62° +45° +k° = 180

k = 180 -107

k = 73

2. The sum of exterior angles of any polygon is 360°.

4r° +7r° +5r° +8r° = 360°

24r = 360 . . . . . . . . . . . . . collect terms, divide by °

r = 360/24 . . . . . divide by 24

r = 15

7 0

3 years ago

By driving 8 mph faster than Bob, John can make a 230 mile trip in one half hour less.How fast does Bob drive on the trip? Round

aivan3 [116]

Answer:

57 mph

Step-by-step explanation:

Let b represent Bob's speed on the trip. Then his time is ...

time = distance/speed

Bob's time = 230/b

Then John's speed is b+8, and his time is ...

John's time = 230/(b+8)

The difference of their times is 1/2 hour:

Bob's time - John's time = 1/2

230/b -230/(b+8) = 1/2 . . . substitute the expressions for time

460(b+8 -b) = b(b+8) . . . . . multiply by 2b(b+8)

b^2 +8b -3680 = 0 . . . . . . .put in standard form

(b +4)^2 -3696 = 0 . . . . . . . add 16-16 to complete the square

b = -4 +√3696 ≈ 56.795 . . . solve for positive b

Bob's drove about 57 mph on the trip.

3 0

3 years ago

The cost of tuition at Johnson Community College is $160 per credit hour. Each student also has to pay $50 in fees. Model the co

Citrus2011 [14]

The answer is C=160x+50

5 0

4 years ago

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How many gallon jugs will 8 quarts fill?

vichka [17]

Answer:

The answer is 2 quarts!(:

Step-by-step explanation:

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3 years ago

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