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Mekhanik [1.2K]
3 years ago
14

At a school, 147 students at least play one sport. This is 35% of the students at the school. How many students are at the schoo

l
Mathematics
1 answer:
steposvetlana [31]3 years ago
3 0
X - S<span>tudents are at the school
</span>
35% * x = 147

\frac{35}{100}x=147 \ |*100\\\\ 35x = 14700 \ | : 35\\\\ x=420

Answer = 420


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A new 2006 Honda head was values at $25000. It depresides at a rate of 13% a year.
CaHeK987 [17]

Answer:

1. It's value in 2009 was $16,462.575

2. It's value in 2020 will be $3,558.

Step-by-step explanation:

The equation for the value of car after t years has the following format.

V(t) = V(0)(1-r)^{t}

In which V(t) is the value after t years, V(0) is the initial value and r is the ratio of depreciation.

In this problem, we have that:

V(0) = 25000, r = 0.13

So

V(t) = V(0)(1-r)^{t}

V(t) = 25000(1-0.13)^{t}

V(t) = 25000(0.87)^{t}

1. What was its value in 2009

2009 is 3 years after 2006, so this is V(3)

V(t) = 25000(0.87)^{t}

V(3) = 25000(0.87)^{3}

V(3) = 16462.575

It's value in 2009 was $16,462.575

2.What will be its value in 2020?

2020 is 14 years after 2006, so this is V14)

V(t) = 25000(0.87)^{t}

V(14) = 25000(0.87)^{14}

V(14) = 3558

It's value in 2020 will be $3,558.

8 0
3 years ago
The relationship between speed, distance and time can be calculated with
Aneli [31]

Answer:

.6

Step-by-step explanation:

105 or D divided by 175 meters per second or T equals .6

105÷175=.6

3 0
3 years ago
Can someone help asap!!?
Vlada [557]

Answer:

1: B. 2: 6n^6+9n^5+4n^2-4n. 3: D. 4: 6b^2-15b-9. 5: 48x^2-4x-4

Step-by-step explanation:

1.

A trinomial is a polynomial with three terms. The expression 7v^2 +2v +2 has 3 terms.

2.

A polynomial in standard form has its powers listed from highest power to lowest power. The terms are 6n^6, 4n^2, 9n^5, and -4n. Remove the bottom numbers to find 6, 2, 5, and 1. Next, put them in order. 6, 5, 3, 1. Then, re-add the bottom numbers. 6n^6+9n^5+4n^2-4n.

3. A sixth degree polynomial is one with a sixth degree power. So, the answer is either C or D. Next, let's look at the terms. The expression here has 4 terms. So, the answer is D.

4 and 5:

To solve expressions in this form, (a+b)(c+d), turn the expression into an equivalent one, ac+ad+bc+bd. Plug in the numbers (with a negative mark if its -a or a-b) into that expression to get your answer.

4 simplifies out into 6b^2+3b-18b-9, which can be simplified into 6b^2-15b-9

5 simplifies out into 48x^2+12x-16x-4, which can be simplified into 48x^2-4x-4.

4 0
3 years ago
Solve the formula c = 1.06p for p, where c is the cost of an item at Shopping City, including tax, and p is the selling price. (
jek_recluse [69]

Answer:

Step-by-step explanation:

I honestly don't know

4 0
3 years ago
Jeremy is traveling back to the us and would like to exchange his Mexican pesos back into dollars. If he has $1500 pesos and the
Daniel [21]
$1,500 pesos to USD

1500 ÷13.5 = 111.11

Around $111.11 USD Rounded to the nearest Hundreth.
3 0
4 years ago
Read 2 more answers
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