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marusya05 [52]
2 years ago
5

Can someone please help me I really need help desperately :(

Mathematics
1 answer:
motikmotik2 years ago
4 0

Answer:

C

Step-by-step explanation:

7.5/1.5 = 12/t

You might be interested in
Abcd is a rectangle if DB=26 and DC=24 find bc
Anettt [7]
Let's solve this problem step-by-step.

STEP-BY-STEP EXPLANATION:

Let's first establish that triangle BCD is a right-angle triangle.

Therefore, we can use Pythagoras theorem to find BC and solve this problem. Pythagoras theorem is displayed below:

a^2 + b^2 = c^2

Where c = hypotenus of right-angle triangle

Where a and c = other two sides of triangle

Now we can solve the problem by substituting the values from the problem into the Pythagoras theorem as displayed below:

Let a = BC

b = DC = 24

c = DB = 26

a^2 + b^2 = c^2

a^2 + 24^2 = 26^2

a^2 = 26^2 - 24^2

a = square root of ( 26^2 - 24^2 )

a = square root of ( 676 - 576 )

a = square root of ( 100 )

a = 10

Therefore, as a = BC, BC = 10.

If we want to check our answer, we can substitute the value of ( a ) from our answer in conjunction with the values given in the problem into the Pythagoras theorem. If the left-hand side is equivalent to the right-hand side, then the answer must be correct as displayed below:

a = BC = 10

b = DC = 24

c = DB = 26

a^2 + b^2 = c^2

10^2 + 24^2 = 26^2

100 + 576 = 676

676 = 676

FINAL ANSWER:

Therefore, BC is equivalent to 10.

Please mark as brainliest if you found this helpful! :)
Thank you and have a lovely day! <3
7 0
2 years ago
How many nickels are there in seventeen dollars?
Hunter-Best [27]
20 nickels = 1 dollar

So, do 20 x 17.

20 x 17 = 340 nickels which is $17.

The answer is 340 nickels!
4 0
3 years ago
If f(x) = x3, which of the following describes the graph of f(x − 3)?
ikadub [295]
You need a graph to go with it
6 0
2 years ago
An arithmetic sequence has a first term of 6.3 and a second term of 8.8 Which term has a value of 78.8?
slega [8]
First term [ a ] = 6.3

Common difference [ d ] = 8.8 - 6.3 = 2.5 

Using general term formula,

t_{n} = a + (n-1)d

78.8 = 6.3 + (n-1)*2.5

2.5*(n-1) = 72.5 [ Dividing both sides by 2.5 ]

n-1 = 29

n = 30

Hence, 78.8 is the 30th term in the arithmetic series.
4 0
3 years ago
Is the GCF of of any two odd numbers always odd? And please an explaination or counter example
Marat540 [252]
Yes because of you find the gcf for 9 and 15, the answer would be 3 so the asnwer is still odd.

5 0
3 years ago
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