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Scorpion4ik [409]

4 years ago

6

A tree casts a shadow that is about 10 ft long. Javier, who is about 5 ft tall, is standing near the tree. Javier’s shadow is a

bout 4 ft long. What is the estimated height, t, of the tree?
A)8 ftB)12.5 ftC)15.5 ftD)18.5 ft

1 answer:

spin [16.1K]4 years ago

4 0

The tree is 11ft
explanation: javier is 5ft 5-1 =4
11-1=10 <span />

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A student is asked to find a polynomial f(x) of degree four with the zeros 2, -3, 0, and -7. What factors would the student mult

lord [1]

Answer:

(x-2), (x+3),x and (x + 7)

Step-by-step explanation:

Here, the zeros of the polynomial are 2, -3, 0 and -7.

Let’s consider a case of a quadratic equation where x = 5 is a solution. This means that x + 5 is a factor of that quadratic equation.

Now, let’s apply same approach to this polynomial. If x = 2 is a solution, then x -2 is a factor. If x = -3, then, x + 3 is a factor. If x = 0, this means x itself is a solution and lastly, if x = -7 is a solution, that means x + 7 is a factor.

Thus, the factors to multiply together are; (x-2), (x+3),x and (x + 7)

4 0

3 years ago

coach Park's car averages 33 miles per gallon of gasoline how many gallons of gas does he need for the trip? justify you answer

sladkih [1.3K]

Since we don't know the length of the trip, we can't find an exact answer.

However, we can write an expression for it. First, we let, T, represent the total number of miles for the trip.

Now, just divide T by 33. So our expression is T/33.

If you know the total miles of the trip, just divide it by 33 and you will have the answer.

4 0

3 years ago

at a restaurant the ratio of kids meal, how manys sold to adult meals sold was 9:2. if there were 81 kids meals sold, how many a

DedPeter [7]

9/2 = 81/a....9 kids meals to 2 adult meals = 81 kids meals to a adult meals
cross multiply
9a = 2(81)
9a = 162
a = 162/9
a = 18...so there were 18 adult meals
ratio is : 81/18

6 0

3 years ago

Can someone please help me with this!?

vichka [17]

Answer:

$2(x - 5)$

Step-by-step explanation:

$2x - 10$

$\frac{2x}{2} - \frac{10}{2}$

$2(x - 5)$

4 0

3 years ago

I need help with this question!

Bumek [7]

A)
A polygon is a closed shape so there must be at least three sides. Therefore, the least value that n can be would be three.

b)
n value
3 0
n(n-3)/2
3(3-3)/3
3(0)/3
0/3
0

4 2
n(n-3)/2
4(4-3)/2
4(1)/2
4/2
2

5 5
n(n-3)/2
5(5-3)/2
5(2)/2
10/2
5

6 0

4 years ago