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kirill [66]
3 years ago
7

What is the length of BC

Mathematics
2 answers:
aalyn [17]3 years ago
6 0
The answer is d. 12...
son4ous [18]3 years ago
6 0
I think the answer is c

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A wildlife photographer photographs a crocodile and then paddles against a river current for 6 km. Then, hoping to photograph a
Angelina_Jolie [31]

Answer:

5 or 6

Step-by-step explanation:

So I did it in a different way than shown in rsm classes. I said that the speed was x-2 and x.

then I said the distance was 6 and 15. If the time taken was 1 hour more, then we can come up with this equation:

Since the time is 6/x-2 or 15/x

15/x-6/x-2=1

multiply everything to get a common denominator then cancel it out to get

(15x-30)-6x=x^2-2x

11x-30=x^2

x^2-11x+30=0

(x-5)(x-6) is factored form.

so x=5 or x=6. this means that the speed of the boat is either 5km/h or 6 km/h

6 0
3 years ago
PLEASE HELP WILL GIVE BRAINLIEST AND LOTS OF POINTS
Tasya [4]

The tiles go in this order: 4,3,2,1

Hope this helps!

3 0
3 years ago
Read 2 more answers
6. Z1 and 22 are vertical angles. If the<br> measure of Z2 is 105°, find the measure of
Rashid [163]

Answer:

Z1 is also 105°

Step-by-step explanation:

this is because vertical angles are always equal

3 0
3 years ago
Which list of numbers can be described by the following rule?
Pie
<h3>Answer: Choice C</h3>

Explanation:

first term = 33

second term = first term + 16 = 33+16 = 49

third term = second term + 16 = 49+16 = 65

We're adding 16 to each term to get the next term.

6 0
3 years ago
Read 2 more answers
The ages of max and his father add up to 35 years. Max's father's age is the same as five more than the square of max's age
34kurt
M+f=35
f=5+m^2
sub 5+m^2 for f
m+5+m^2=35
m^2+m+5=35
minus 35 both sides
m^2+m-30=0
factor
what 2 numbers mulitply to get -30 and add to get 1
-5 and 6
(m-5)(m+6)=0
set to zto
m-5=0
m=5

m+6=0
m=-6
age can't be negative

max is 5
father is 30
5 0
3 years ago
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