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mote1985 [20]
2 years ago
8

The height, h of a baseball, in meters at t seconds after it is tossed out of a window

Mathematics
1 answer:
Vadim26 [7]2 years ago
4 0

You'll be solving:

-5t^2 + 20t + 15 = 3t + 3

5t^2 - 17t - 12 = 0

(t - 4)(5t + 3) = 0

t = 4 or t = -3/5, but let's assume t ≥ 0

Step-by-step explanation:

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2. Evaluate 8a + 3b + 2c for a=4, b=7, and c =5<br> 63<br> 13<br> 55
JulsSmile [24]

Answer:

it's 63

please mark brainliest❤

Step-by-step explanation:

8×4=32

3×7=21

2×5=10

32+21+10=63

4 0
3 years ago
What is the angle measure ?
Fudgin [204]

Answer:

I can really see that clear, but I think is Obtuse triangle.

Step-by-step explanation:

Has one angle more that 90°

>3

4 0
3 years ago
Read 2 more answers
How is this right? Can someone explain to me how to do this?
Alex73 [517]
First, we calculate the radius of the circle.
radius=diameter / 2
radius=44 ft / 2=22 ft.

Second; we calculate the area of a circle.
area of a circle=πr²
area of a circle=π(22 ft)²=484π ft²

Remember: 22²=22 * 22 =484

Answer: B) 484π ft²
5 0
3 years ago
The product of 7 and a number is 126. Find the number
fenix001 [56]

Answer:

18

Step-by-step explanation:

Product of 7 and a number is 126.

Let's form the equation,

→ 7 × x = 126

The required value of x will be,

→ 7 × x = 126

→ x = 126/7

→ [ x = 18 ]

Hence, the number is 18.

6 0
2 years ago
Translate five times the sum of a number and three into a mathematical expression
sergiy2304 [10]

Answer:

5(x-3)

Step-by-step explanation:

The word "SUM" means the answer to an "ADDITION".

"SUM" is always used with the word "AND" to indicate which numbers are being added.

The SUM of a number AND -3 is written as:  

( x + ( − 3 ) ), or  ( x -3 )

(where we have chosen the number to be  x .)

But we want FIVE of those sums; this means:

5  ( x − 3 )

4 0
3 years ago
Read 2 more answers
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