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qaws [65]
3 years ago
10

Plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz help

Mathematics
1 answer:
Effectus [21]3 years ago
7 0

Answer:

x=30

Step-by-step explanation:

because 3 times 30 equal 90 minus 5 is 85

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A shadow 12 meters long is cast by a fir tree that is 16 meters tall. What is the length of the shadow cast by a nearby ash tree
mrs_skeptik [129]

Answer: 5 m

Step-by-step explanation:

Given

Length of 16 m fir tree is 12 m

length of the ash tree is 8 m

Suppose x is the length of the ash tree

angle c made by fir and ash tree will be same as shown in figure

\Rightarrow \tan c=\dfrac{16}{12}=\dfrac{8}{x}\\\\\Rightarrow x=8\times \dfrac{12}{16}\\\\\Rightarrow x=5\ m

4 0
3 years ago
Someone please? im sucks in function
Bad White [126]
I think that since it says that f:x is |3x-7| and for i. it is f(-1), I believe it is suggesting/telling that x=-1 or f(-1) so |3*(-1)-7|. I don't know for sure but I believe it is 10.
3 0
4 years ago
What is the solution to the equation 1/4 × +2= 5/8x-5?
egoroff_w [7]

Step 1. Divide by the numbers 0.25 (1 divided by 4):

0.25 x +2=5 divided by 8x-5

Step 2. Divide the by the numbers 0.625 (5 divided by 8):

0.25 x +2=0.625x-5

Answer: 0.25 + 2= 2.25

Please correct me if I'm wrong, hope I could help! :)

5 0
3 years ago
How many solutions does the following equation have?<br> x + 5 = x + 7
Oksi-84 [34.3K]
No solutions

Explanation: Any number you use, the equation of x + 7 will always be 2 more than x + 5
4 0
3 years ago
Read 2 more answers
True OR False <br>------------------------<br>y + 15 = 30, y = 20? ​
Talja [164]

\quad \huge \quad \quad \boxed{ \tt \:Answer }

\qquad \tt \rightarrow \:False

____________________________________

\large \tt Solution  \: :

\qquad \tt \rightarrow \: y + 15 = 30

[ subtract 15 on both sides ]

\qquad \tt \rightarrow \: y + 15 - 15 = 30 - 15

\qquad \tt \rightarrow \: y = 15

Here, actual value of y is not the same as it is in statement, so the statement is wrong.

3 0
2 years ago
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