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Alja [10]
2 years ago
15

Type A is 8 feet tall and grows at a rate of 6 inches per year.

Mathematics
1 answer:
Allushta [10]2 years ago
4 0

Answer:

<h2>The required time is 8 years.</h2>

Step-by-step explanation:

Let, it will take x years to be of same height for these trees.

We know that 1 ft = 12 inches.

8 ft = 12\times8 = 96 inch. 2 ft = 24 inch.

After x years, the height of type A will be (96 + 6x) inch and the height of type B will be (24 + 15x) inch.

We need find the value of x, for which 96 + 6x = 24 + 15x or, 9x = 72 or, x = 8.

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The square of a positive number is equal to its triple added to 28. What is this number?​
sashaice [31]

hi brainly user! ૮₍ ˃ ⤙ ˂ ₎ა

⊱┈────────────────────────┈⊰

\huge{ \rm{Answer:}}

The roots of the equation are 7 and -4, because 7 - 4 = 3 and 7. - 4 = -28

Step-by-step explanation:

The positive number is equal to 7.

Assuming that the number is equal to "x" we have:

\begin{gathered}x^2 = 3x + 28\\\\x^2 - 3x - 28 = 0\\\\a = 1\\\\b = -3\\\\c = -28\\\end{gathered}

By the sum and product method, we have:

\begin{gathered}S = -b / a\\\\S = -(-3) / 1\\\\S = 3\\\\\end{gathered}

\begin{gathered}P= c / a\\\\P = 28 / 1\\\\P = 28\\\\\end{gathered}

4 0
1 year ago
Write the complex numbers in standard form: 5/ 8-i
dedylja [7]

Answer:

a+bi

\frac{8}{13}  +  \frac{i}{13}

5 0
3 years ago
What is m∠PTQ???????????
anyanavicka [17]

Answer:

m∠PTQ = 40°

Step-by-step explanation:

From the picture attached,

Two lines PS and RQ are intersecting each other at a point T.

Vertical angles formed at the point of intersection T will be equal in measure.

m∠PTQ = m∠STR and m∠PTR = m∠QTS

Therefore, (x + 28)° = (2x + 16)°

28 - 16 = 2x - x

12 = x

m∠PTQ = (x + 28)°                            

             = 12 + 28

             = 40°

Therefore, measure of angle PTQ is 40°.

5 0
3 years ago
8. A salesman bought a computer from a manufacturer. The salesman the sold the computer
PolarNik [594]

Answer:

117,000

Step-by-step explanation:

156000÷100x25

=39000

Then

156000-39000

=$117,000

8 0
3 years ago
From her window 5m above the ground, Sherri spots a turtle on the ground at a 34 degree angle of depression. To the nearest tent
Thepotemich [5.8K]
Let y be the distance from the turtle to the base of the building.

tan (34) = 5/y
y = 5 ÷ cos(34) 
y = 7.4m

-----------------------------------------------------------------
Answer: The distance is 7.4 meters (Answer A)
-----------------------------------------------------------------
3 0
3 years ago
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