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Rainbow [258]
3 years ago
7

PLEASE PLEASE PLEASE HELP THIS QUESTION HELPS MY GRADE BY 30% IF I DONT GET THIS RIGHT

Mathematics
1 answer:
Korvikt [17]3 years ago
3 0

Answer:

A!!!!!!!!!!!!!!!!¡!!!!!!

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Find the value of y.
Leno4ka [110]

Answer:

\sqrt{55}

Step-by-step explanation:

Based off of what we do know, if we can find length DB we can use the pythagorous theorem (I will be assigning the variable z)

x^{2} =36+z^{2} \\\\y^{2}=25+z^2\\\\x^{2} +y^2=121\\\\

First equation is for triangle ABD

Second is for BCD

And the last one is for ACD

Substitute x^{2} and y^2

36+z^2+25+z^2=121\\\\61+2z^2=121\\\\2z^2=60\\\\z^2=30\\\\z=\sqrt{30}

As discovered before

y^2=25+z^2\\\\y^2=25+30\\\\y^2=55\\\\y=\sqrt{55}

8 0
3 years ago
3 ISINT RIGHT!!!!<br> Please give me an answer!!
dsp73

Answer:

6

Step-by-step explanation:

8 0
4 years ago
Lana bought a bamboo plant that was
cestrela7 [59]

Step-by-step explanation:

9 1/5=46/5 ; 7 1/2=15/2

common denominator is 10

46/5-15/2=( 92-75)/10= 17/10= 1 7/10 feet= 1.7 feet

4 0
3 years ago
In a school, enrollment this year had a deficit of 6% compared to last year. If 658 students have enrolled this year, how many s
hammer [34]

Answer:

695 Students

Step-by-step explanation:

This is because 6% of 658 is 39. 39 Students + 658 Students is 695 students.

4 0
3 years ago
A train travels 43 miles in 1/6 hour. How many miles does the train travel in 7 hours? (To form the unlock code, write your answ
SIZIF [17.4K]

Answer:

6081 (original 1806)

Step-by-step explanation:

to get from 1/6 to 7 you must multiply by 42

then you multiply 42 by 43

42 * 43 = 1806

the answer is 1806 but the unlock code is backwards so its 6081

6 0
2 years ago
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