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lesya692 [45]
3 years ago
10

Santos flipped a coin 300 times. The coin landed heads up 175 times. Find the ratio of heads to total number of coin flips. Expr

ess as a simplified ratio.A baseball player went up to bat 250 times in a season. He hit the ball 100 times. Find the rate of balls hit to times at bat. Express as a simplified fraction.
Mathematics
1 answer:
Temka [501]3 years ago
4 0

Answer:

1) 7:12

2) 2:5

Step-by-step explanation:

175/300= 7/12 or 7:12

100/250= 2/5

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10-3.10-4 = 10<br> Evaluate
zysi [14]

Answer:

2.9=10

Step-by-step explanation:

10-3.10-4=10

Simplify

2.9=10

5 0
3 years ago
Identify the initial amount a and the rate of growth r (as a percent) of the exponential function y = 12(1.05)t. Evaluate the fu
aleksandrvk [35]

Answer

Exponential function is in the form of : y =a(1+r)^x .....[1]

where a is the initial amount and r is the growth rate and (1+r) is the growth factor.

Given the function: y = 12(1.05)^t

On comparing with equation [1] we have;

Initial amount(a) = 12

1+r = 1.05

Subtract 1 from both sides we get;

r = 0.05 or 5%

Growth (r) = 0.05 or 5%

Now, evaluate the function for t = 5 we have;

Substitute the value of t=5 in the given function we have;

y = 12(1.05)^{5}

y = 12 \cdot 1.27628156 = 15.3153787

Therefore, the value of function when t=5 to the nearest tenth is 15.3

7 0
3 years ago
The revenue for a vehicle rental store is $5460. There was 208 cars and 52 vans rented. A van rents for $10 more than a car.
Darya [45]
208c + 52v = 5460
v = c + 10

where c = the price for a car rental and v = the price for a van rental.
To solve this system, use substitution; the second equation says v is equal to c + 10, so plug in "c + 10" for v in the first equation and solve for c:

208c + 52(c + 10) = 5460
208c + 52c + 520 = 5460
260c + 520 = 5460
260c = 4940
c = 19

Now that we have c, we can plug it in to the second equation to find v:

v = (19) + 10
v = 29

So, c = 19 and v = 29, meaning that
The cost of a car rental is $19 and the cost of a van rental is $29.
7 0
3 years ago
(PLEASE HELP!!) A school’s toilets are broken. Don’t Flush Plumbing Company ™ charges $50 for a service call plus $10 per hour.
mr Goodwill [35]
X is your per hour y is the answer itself


Don’t Flush is y= 10x + 50
Fire hole is y= 5x + 90
5 0
3 years ago
What is the simplified form of the expression?
SIZIF [17.4K]
Remember
(x^m)/(x^n)=x^(m-n)

(q^(33/4))/(q^8)=q^((33/4)-8)
what is 33/4-8?
33/4-8=33/4-32/4=1/4

result is
q^1/4 or \sqrt[4]{q}

answer is q^{ \frac{1}{4} }
8 0
3 years ago
Read 2 more answers
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