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fenix001 [56]
3 years ago
8

An oak tree grows at a rate of 3 3/5 inches per month. How much will the tree grow in 6 1/2 months? :P

Mathematics
1 answer:
MakcuM [25]3 years ago
8 0

Answer:

A) 23 2/5 inches                  PLEASE MARK BRAINLIEST

Step-by-step explanation:

1/5 = 0.2

1/2 = 0.5

So

3/5 = 0.6

3 + 0.6 = 3.6

6 + 0.5 = 6.5

3.6 x 6.5 = 23.4

Which is 23 2/5

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Solve the system using elimination
Pie

Answer:

(x, y) = (3, 1)

Step-by-step explanation:

given the 2 equations

2x + 3y = 9 → (1)

x + 5y = 8 → (2)

multiplying (2) by - 2 then adding to (1) will eliminate the term in x

multiply (2) by - 2

- 2x - 10y = - 16 → (3)

add 1(1) and (3) term by term

(2x - 2x) + (3y - 10y) = (9 - 16)

- 7y = - 7 ( divide both sides by - 7 )

y = 1

Substitute y = 1 in either (1) or (2) and solve for x

(1) : 2x + 3 = 9 ( subtract 3 from both sides )

2x = 6 ( divide both sides by 2 )

x = 3

Solution is (3, 1 )


5 0
3 years ago
What is the 7-intercept of 2x-4y=12
Bingel [31]

Answer:

-3

Step-by-step explanation:

2x - 4y = 12

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Y intercept is -3

X intercept is 6

8 0
3 years ago
Read 2 more answers
A bouncing ball reaches a height of 54 inches at its first peak, 36 inches at its second peak, and 24 inches at its third peak.
steposvetlana [31]
54, 36, 24 are the 1st 3 element of a geometric progression with 2/3 as a common ratio: PROOF:
the 1st term is 54, (a₁= 54) the 2nd term a₂ = 24, then
(a₂ = a₁.r) or 36 = 54.r → r= 36/54 = 2/3. Same logique for the 3rd term. 
So 2/3 is common ratio. We know that :U(n) = a.(r)ⁿ⁻¹. Then if a =54 and r = x (given by the problem), then f(x) = 54.xⁿ⁻¹
n, being the rank of any element of this geometric progression

7 0
3 years ago
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OLEGan [10]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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hypotenuse^2 = adjacent^2 + opposite^2

Manipulating the equation to find the adjacent value = ?

adjacent = sqrt(hypotenuse^2 - opposite^2) = sqrt(9-4)
adjacent = sqrt(5)

so cos ø = sqrt(5)/3, tan ø = 2/sqrt(5) and sec <span>ø = 3/sqrt(5) since the value is positive the possible equivalent trigonometric function should be positive, the answer should be b </span>

3 0
3 years ago
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