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Minchanka [31]
3 years ago
6

A prom ticket at Smith High School is $120. Tom is going to save money for the ticket by walking his neighbor’s dog for $15 per

week. If Tom already has saved $22, what is the minimum number of weeks Tom must walk the dog to earn enough to pay for the prom ticket?
Mathematics
2 answers:
gladu [14]3 years ago
6 0

Answer:

7 weeks

Step-by-step explanation:

lara [203]3 years ago
3 0

Answer:

7 weeks

Step-by-step explanation:

Let's start by finding the amount of money Tom still has to make. TO do this, we can do 120-22 = $98. Let's call the number of weeks x. When we write it as an equation, we get 15x=98. Solving for x, we get x=6.53, but we have to round up to the nearest integer due to the context of the problem. Therefore, the answer is 7 weeks. Hope this helps!

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There are some Chicken and rabbits in a cage. There are 20 heads and 62 feet in total, the question is: how many chicken and rab
horsena [70]

Answer:There are 72 heads (chicken and rabbit) and 200 legs. How many chickens and rabbits are present totally?

Step-by-step explanation

There are 72 heads (chicken and rabbit) and 200 legs. How many chickens and rabbits are present totally?

Legs of a chicken = 2

Legs of a rabbit = 4

Total heads = 72

Total legs= 200

Let's assume that each of them has minimum 2 legs.

So 72*2 = 144 legs

Remaining legs: 200-144= 56

These remaining legs belong to rabbit because rabbit has 4 legs each.

2*Rabbits= 56

Rabbits= 56/2 = 28

Out of 72, 28 are rabbits. So there are 72-28= 44 chicken.

5 0
2 years ago
HELP.
Viefleur [7K]

Answer:

The number of cases in the year 2010 is 266.

Step-by-step explanation:

An exponential function is one that the independent variable x appears in the exponent and has a constant a as its base. Its expression is:

f(x)=aˣ

being a positive real, a> 0, and different from 1, a ≠ 1.

In this case:

r(t) = 207*e^{0.005*t}

where t is the number of years since 1960 and   e is an irrational number of which it is not possible to know its exact value because it has infinite decimal places. The first figures are 2,7182818284590452353602874713527 and is often called the Euler's number. e is the base of natural logarithms.

In this case, you want to know the number of cases r (t) in 2010. So, to know t you must know how many years have passed since 1960. For that, you can simply do the following subtraction: 2010-1960 and you get as a result : 50.

Replacing in the exponential expression r (t):

r(t) = 207*e^{0.005*50}

Solving:

r(t)=265.79 ≅ 266

<u><em>The number of cases in the year 2010 is 266.</em></u>

4 0
2 years ago
HELP PLEASE! <br> which expressions are equivalent to square root 1,120y^3
Anon25 [30]

Answer:

the answer would be 2 * 2 * y √2 * 5* 7 * y

Step-by-step explanation:

7 0
2 years ago
-2.7+17.8+29.5+8.9=?
BARSIC [14]

Answer:

64.5

Step-by-step explanation:

64.5

6 0
2 years ago
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nexus9112 [7]
X^2+6x+8 if you multiply
8 0
3 years ago
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