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Mama L [17]
3 years ago
13

The “strike zone” or distance across home plate is 17 inches. Determine how long a baseball pitched at 90 mph is in the strike z

one. Show your work
Mathematics
1 answer:
klemol [59]3 years ago
6 0

Answer:

2.98×10^-6 hrs

Step-by-step explanation:

Speed = Distance/Time

Time = Distance/speed

Given

Distance = 17in

Speed= 90mph

Convert inches to miles

1in = 1.578 × 10-5 mile

17in = 17(1.578 × 10-5) mile

17in = 26.826×10^-5miles

Get the time

Time =26.826×10^-5/90

Time = 0.298×10^-5

Time = 2.98×10^-6 hrs

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Which expression can you simplify by combining like terms?
Sonbull [250]

Answer:

6 {d}^{2} + 5cd - 3dc + 8

Step-by-step explanation:

b/c we can substructure 5cd and 3dc b/c it doesn't matter if the place of cd and dc change. what I mean if 5 ×3=15 and it is the same with 3×5=15 both of the product are the same but, if it is - and ÷ it wil be wrong for example 5-3=2 but 3-5= -2

if is helpful ❤❤

THANK YOU

6 0
2 years ago
A rectangular lamina of uniform density is situated with opposite corners at (0,0) and (15,4). calculate its radii of gyration a
Sphinxa [80]
First, you have to find the moment of inertia along the x and y axes. Constant density is denoted as k.


I_{x}= \int\limits^15_0\int\limits^4_0 {k y^{2} } \, dx  dy= \frac{1}{3}k (15-4)^4=4880.33k

I_{y}= \int\limits^15_0\int\limits^4_0 {k x^{2} } \, dx  dy= \frac{1}{3}k (15-4)^4=4880.33k

Then, the radii of gyration for

x = √[I_x/m]
y = [I_y/m]

where m = k(15-4)² = 121k. Then,

x = y = [4880.33k/121k] = 40.33

I hope I was able to help you. Have a good day.
7 0
3 years ago
Kelli works at a department store that sells shoes. She receives an employee discount for any shoes she buys at the store. If je
Irina-Kira [14]
30% off
your welcome ;D two week old question tho
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3 years ago
Sue uses the expression 8x3000+ 8x200+ 8 x 9 to help solve a multiplication problem what is sues multiplication problem
Iteru [2.4K]

we know that

the expression (8x3000+ 8x200+ 8 x 9) is equal to

8*3,000+ 8*200+ 8 * 9 =8*(3,000+200+9)\\  =8*(3,209)\\  = 25,672

therefore

<u>the answer is</u>

Sue's multiplication problem is to find the product of 8 times 3,209 in expanded form


6 0
2 years ago
Read 2 more answers
Start at 92. Create a pattern that adds 13 to each number. Stop after 5 numbers. I DO NOT GET TIS I NEED HELP!!!
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105,118,131,144,157 heres your numbers all you have to do is add 13 to the numbers after you ad each number


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3 years ago
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