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blondinia [14]
3 years ago
10

HELP QUICKLY PLEASE!!!!!!!

Mathematics
1 answer:
Mumz [18]3 years ago
8 0
SAS because you have 2 known side lengths and one angle!
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What are the possible values of x if (4c-5)^2= 49?
kykrilka [37]

Answer:

c = 3                              c = -1/2

Step-by-step explanation:

(4c-5)^2= 49

Take the square root of each side

sqrt((4c-5)^2)= ±qrt(49)

4c-5 = ±7

Separate into two equations

4c-5 = 7           4c-5 = -7

Add 5 to each side

4c-5+5 = 7+5          4c-5+5 =-7+5

4c =12                         4c = -2

Divide by 4

4c/4 = 12/4                     4c/4 = -2/4

c = 3                              c = -1/2

7 0
2 years ago
Read 2 more answers
DESPERATELY NEED HELP ON THIS PLEASE! X(
katen-ka-za [31]
35.1 is the answer to this question
3 0
3 years ago
Read 2 more answers
A train travels 50 km in 1 hour and then 96 km in 4 hours what is its average speed​
svet-max [94.6K]

Answer: 37 km per hour

Step-by-step explanation: 96/4=24

24+50=74

74/2=37

8 0
2 years ago
The surface area of the three-dimensional figure is square centimeters?
Zina [86]

Answer:

Step-by-step explanation:

Alright, lets get started.

The surface area of the figure given is : The area of all shapes together

The figure has 2 similar triangles and 3 similar rectangles.

The area of 1 triangle =

\frac{1}{2}*base*height

The area of 1 triangle = \frac{1}{2}*10*8.66=43.3

So, the area of both triangles = 43.3*2=86.6

The area of 1 rectangle = width *length

The of 1 rectangle = 10*15=150

So, the area of all 3 rectangles = 3*150=450

So, total area of figure = 86.6+450=536.6

hence the surface area is 536.6 square centimeters : Answer

Hope it will help :)

3 0
3 years ago
Bob traveled 90 miles which was 83 1 3 % of his trip.<br> a<br> How long was the trip?
loris [4]

Total journey of bob was 108 miles .

<u>Step-by-step explanation:</u>

Here we have , Bob traveled 90 miles which was 83 1 3 % of his trip. We need to find How long was the trip .Let's find out:

According to question , Bob has traveled a distance of :

⇒ Distance = 90miles

Which is 83\frac{1}{3}\% of his journey . So , Let total  miles be x , So we have following equation framed according to question as :

⇒ \frac{83\frac{1}{3} x}{100} =90

⇒ \frac{83\frac{1}{3} x}{100}(100) =90(100)

⇒ \frac{83(3)+1}{3} x=90(100)

⇒ \frac{250}{3} x=9000

⇒ x=9000(\frac{3}{250} )

⇒ x=108miles

Therefore , Total journey of bob was 108 miles .

5 0
2 years ago
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