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Vikentia [17]
3 years ago
15

Evaluate the expression when r = 3. 15r

Mathematics
1 answer:
Liula [17]3 years ago
8 0

Answer:

45

Step-by-step explanation:

Because if you replace the r with 3, it would be 15(3).

15(3) is the same as 15 × 3.

15 × 3 = 45

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Please helppppp !!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!
LuckyWell [14K]

Answer:

BH = 16

Step-by-step explanation:

The centroid theorem states that the centroid of a triangle is 2/3 of the distance from a vertex to the midpoint of the opposite side.

That means that BH is 2/3 of the length BF.

BH = (2/3)(BF)

BH = (2/3)(24)

BH = 16

7 0
3 years ago
Se dau punctele coliniare A,B,C cu distanta AB=30 BC=15 .Calculati distanta dintre AsiC.Catr soluti are proclrma?
Arlecino [84]
36 is your answer to that question
5 0
3 years ago
Brainliest to correct obv
Natalija [7]

Answer:

21

Step-by-step explanation:

If you multiply 7x6 and add two you will get an answer of 21

Hope it helps

5 0
2 years ago
Read 2 more answers
Solve the equation by completing the square. Round to the nearest hundredth if necessary. x2 + 3x = 24
Sophie [7]
We have that
x²<span> + 3x = 24
</span><span>Group terms that contain the same variable
</span>(x² + 3x) = 24
<span>Complete the square. Remember to balance the equation by adding the same constants to each side
</span>(x² + 3x+2.25) = 24+2.25

Rewrite as perfect squares

(x+1.5)² = 26.25
(+/-)[x+1.5]=5.12
(+)[x+1.5]=5.12----> x=5.12-1.5--->  x=3.62
(-)[x+1.5]=5.12-----> x=-1.5-5.12---> x=-6.62

the answer is
<span>3.62, –6.62</span>
5 0
3 years ago
Three consecutive integers are n, n + 1, and n+ 2. Four time s the sun of the least and greatest integers is 12 less than three
Svetradugi [14.3K]
4 times the sum of the least and greatest integers ⇒ 4(n + n +2) = 4n + 8

12 less than three times the least integer ⇒ 3n - 12

4n + 8 = 3n - 12
4n -  3n + 8 = 3n - 3n - 12
n + 8 - 8 = -12 - 8
n = -20
-20, -19, -18 are the integers and the least is -20 
3 0
3 years ago
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