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devlian [24]
3 years ago
14

Please answer correctly !!!!!!!!!!!!! Will mark Brianliest pleaseeeee !!!!!!

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

Answer:

2sqrt(10)

Step-by-step explanation:

Use the Pythagorean theorem.

x^2 + 3^2 = 7^2

x^2 + 9 = 49

x^2 = 40

x = sqrt(40)

x = 2sqrt(10)

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Exact solutions. X^2-5x-1=0
Romashka [77]

Answer:

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Step-by-step explanation:

Quadratic formula:

x= (-b±√b²-4ac)÷2a

7 0
3 years ago
3X-1=4 THEN 2X= ...?
strojnjashka [21]
3x=4+13x=5x=5/32x=2* 5/32x=10/3
8 0
3 years ago
I’m confused on this one
ad-work [718]

The question is "What is the scale of the model to the actual statue"


That means you must put 2/15.


2 being the model


15 being the actual statue


Take that fraction and equal is to 1/x.


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In the end, to solve, you divide 15 by 2x.


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1 : 7.5


7 0
3 years ago
Please don’t skip! Urgent! Please just give me the answers to the solution part.
svlad2 [7]

Answer:

you have selected the correct option for the first part

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in the third part, the answer is "one solution" which is (0 , 1)

brainly it if you found this helpful

8 0
3 years ago
Translate a algebraic expression .four less than four times a number. the translation is? type an expression using x as the vari
kicyunya [14]
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