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motikmotik
3 years ago
11

Suzi is 1.7 meters tall. At 2:00 pm, Suzi measures her shadow to be 0.3 meters long. At the same time, a near by tree casts a sh

adow that is 2.4 meters long. How tall is the tree? (Give your answer in tenths.)​

Mathematics
1 answer:
Agata [3.3K]3 years ago
8 0
13.6. Use scale factoring. 1.7/0.3 = x/2.4
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Please help, I've been working on this for 30 min now...
MaRussiya [10]

Step 1: Y is equal to \frac{3}{4}x + 2 so where ever you see a y in the equation 3x - 4y = -5 replace it with \frac{3}{4}x + 2

3x - 4(\frac{3}{4}x + 2) = -5

Now all your variables are x and you can solve for x

Step 2: Distribute for to the numbers in the parentheses

3x - 3x - 8 = -5

Step 3: Combine like terms

0x - 8 = -5

0x = 3

Step 4: Isolate x

0x/0 = 3/0

3/0 is undefined

^^^ This means that there is no answer

If you look at the graph below you can see that these lines are parallel and therefore have no intersection point

Hope this helped!

3 0
3 years ago
Select the correct answer.<br> Which statement is correct with respect to f(x) = -3|x − 1| + 12?
professor190 [17]

Answer:

Opt. D.

Step-by-step explanation:

To solve this problem we need to focus our attention in the abs(x-1) function,

If x>1, then abs|x-1|= x-1, if x<1 then abs|x-1|= 1-x. And in the two intervals, the function opens upwards.

But our function has -3 multiplying abs|x-1|, This means that our function opens downward.

The vertex point can be found when x=1, since abs(x-1)=0. this gives f(1)=12

5 0
4 years ago
In a classroom of 33 students, the ratio of boys to girls is 3 : 8.
kirill [66]

Answer:

the answer is 9 :)

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
How do I find the intervals when it's set up as a fraction?
AnnyKZ [126]
In this context epsilon mean "member of", so "x ϵ" means "x is a member of."
<span>Epsilon is a Greek letter and its meaning in mathematics depends on context</span>
4 0
3 years ago
A page was missing from a 72 - page book. When Josh added up the remaining page numbers, the sum was 2521. Which page was missin
morpeh [17]
The numbers 1 to 72 add up to (1+72) x 72/2 = 73 x 36 = 2628
If we take away what Josh got we have 2628 - 2521 = 107
Pages in a book are odd on the first side and even on the second, so pages 11 and 12 are on the same sheet.
107 / 2 = 53.5 so the missing page had 53 on one side and 54 on the other side.
The remaining pages would have been numbered 1, 2, 3, ..., 51, 52, 55, 56, ... 71, 72
8 0
3 years ago
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