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yawa3891 [41]
3 years ago
10

a child who is 5 ft tall is standing 10 feet from the base of a tree. the child’s shadow has a length of 3 feet. how tall is the

tree ?
Mathematics
2 answers:
Viktor [21]3 years ago
7 0
24 ft tallll i think i didnt double check
Scrat [10]3 years ago
7 0
The answer would most certainly be 5.5ft your welcome
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Superfície de um círculo cujo rádio é 5cm? ! Me sem a resposta ! Pois se eu não responder perco meu iPad por um mês !
Evgesh-ka [11]
A=78.54 for a rádio é 5cm
4 0
3 years ago
Line JK passes through points J(–3, 11) and K(1, –3). What is the equation of line JK in standard form?
frosja888 [35]

Answer:

7x + 2y = 1

Step-by-step explanation:

1. Find the slope of the line.

(y2-y1)/(x2-x1) ---->  (11 - (-3))/((-3) -1) ----> (11+3)/ (-3 -1) ----> 14/-4

*lets simplify into (7/-2)*

2. Write into slope intercept form.

y=mx+b (m is the slope) (b is the y intercept)

y = (7/-2)x + b

We now need to find the value of b, this can be done by plugging in values of x and y, and using algebra to solve.

11 = (7/-2)(-3) + b

11 = 10.5 + b

b = 0.5 or 1/2

slope intercept form y = (7/-2)x + 1/2

Now we convert to standard form: ax+by=c

*In this form we our a term cannot be a fraction nor can it be negative*

1. Get x and y on the same side, and since our x term is negative right now, we can make it positive by adding it on both sides.

(7/2)x + y = 1/2

2. We now want to get rid of the fraction in term a, so we multiply the entire function by two, so the denominator cancels out.

2(7/2)x + 2y = 2(1/2)

Simplify and you get

7x + 2y = 1

6 0
3 years ago
Which statement about the function f(x)=|x+3| is true?
Stels [109]

The given function f(x) = |x + 3| has both an absolute maximum and an absolute minimum.

What do you mean by absolute maximum and minimum ?

A function has largest possible value at an absolute maximum point, whereas its lowest possible value can be found at an absolute minimum point.

It is given that function is f(x) = |x + 3|.

We know that to check if function is absolute minimum or absolute maximum by putting the value of modulus either equal to zero or equal to or less than zero and simplify.

So , if we put |x + 3| = 0 , then :

± x + 3 = 0

±x = -3

So , we can have two values of x which are either -3 or 3.

The value 3 will be absolute maximum and -3 will be absolute minimum.

Therefore , the given function f(x) = |x + 3| has both an absolute maximum and an absolute minimum.

Learn more about absolute maximum and minimum here :

brainly.com/question/17438358

#SPJ1

5 0
1 year ago
Lena ran 17 1/2 miles this week. She runs 2 1/2 miles each day.
eimsori [14]
2 1/2 * 7 = 17.5. she ran 7 days
5 0
4 years ago
Read 2 more answers
-8 - something = 3<br>I need help​
nydimaria [60]

Answer:

-8 - -11 = 3

Step-by-step explanation:

-8-x=3\\\\-8-x-3=3-3\\\\-11-x=0\\\\-11-x+x=0+x\\\\-11=x

Therefore, the missing number is -11

4 0
2 years ago
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