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galina1969 [7]
3 years ago
7

PLEASE HELP ASAP WILL MARK BEAINLEST!!!

Mathematics
1 answer:
mafiozo [28]3 years ago
4 0

Answer:

a, b, c are all 144°

Step-by-step explanation:

Parallel lines that are crossed by a transversal (diagonal) will have angle properties that are very similar and consistent.  Given that a straight line will form a total angle of 180°, the measure of ∠a would be 180 - 36 = 144°.  Because ∠a and ∠b are corresponding angles so they are congruent (same measure) so ∠b = 144°.  Since ∠b = 144° and is the opposite, vertical angle to ∠c, they must also be congruent as well.  ∠a and ∠c are also alternate exterior angles that are congruent, so ∠c = 144° as well.  

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Is (x-4) a factor of f(x) = x3 - 2x2 + 5x + 1? Use either the remainder theorem or the factor theorem to explain your reasoning.
Virty [35]

Answer:

(x-4) is not a factor of f(x)=x³-2x²+5x+1

Step-by-step explanation:

Uding the remainder theorem,(x-4) is a factor if the remainder is 0

Plug in x=4

(4)³-2(4)²+5(4)+1

64-32+20+1

64-53

11

7 0
3 years ago
A submarine descends at a rate of 2.6 kilometers per hour. If the ocean floor is 6.24 kilometers below sea level, how long will
navik [9.2K]

Answer

Find out the how long will it take the submarine to descend to the ocean floor

To proof

Formula

r = \frac{d}{t}

where  d  =  distance traveled (or descended),

r  = rate of travel , t  = time

As given

A submarine descends at a rate of 2.6 kilometers per hour. If the ocean floor is 6.24 kilometers below sea level .

put all the values in the above formula

2.6 = \frac{6.24}{t}

t = \frac{6.24}{2.6}

t = 2.4 hour

it take 2.4 hours the submarine to descend to the ocean floor .

Hence proved


8 0
3 years ago
Can someone answer this? Thanks a lot
Komok [63]

Answer:

Step-by-step explanation:

Use math-way go quick and easy answers without step by step explanations, and use math-soup-calculator for step by step explanation

3 0
3 years ago
Read 2 more answers
P1. if your school makes $0.72 profit on every 6 raffle tickets sold, how much will it make when it sells the 11th ticket
Ahat [919]

Answer:

Part 1 = $1.32

Step-by-step explanation:

.72 divided by 6 is 12. So they make 12 cents per ticket, so that means you would have to do 12 times 11 and that should get you 132 cents and that is equivalent to $1.32.

4 0
3 years ago
Rachel is 40 cm taller than Lucy. Rachel is 25 percent taller than Lucy. How tall is Lucy? Explain
tatyana61 [14]
What is 40cm 25% of?
The answer is 160cm.

Rachel is 160cm. 160 - 40 = 120.

Lucy is 120cm tall.
5 0
2 years ago
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