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Zielflug [23.3K]
3 years ago
9

- 3/5 + - 3/4 can somebody help plz

Mathematics
2 answers:
Gnesinka [82]3 years ago
8 0
<span>- 3/5 + - 3/4
= (-12/20) = (-15/20) 
= - 27/20
= - 1 7/20</span>
Sliva [168]3 years ago
3 0
<span>- 3/5 + - 3/4 
Multiply the fractions until both fractions have the same common denominator. Also, when you add a negative number, it's basically the same as subtracting that number as well.
- 12/20 - 15/20
Subtract the numerators but NOT the denominators.
Final Answer: -27/20 or -1 7/20 *Both answers are equivalent to each other.</span>
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Tim has a rectangular prism with a length of 10 centimeters, a width of 2 centimeters, and an unknown height. he needs to build
ozzi
The volume of the original prism is given by:
 V1 = (10) * (2) * (h)
 rewriting:
 V1 = 20h
 Where,
 h: height
 The volume of the second prism is given by:
 V2 = (5) * (w) * (h)
 We know that the height is the same.
 As the volume is the same then:
 (5) * (w) * (h) = 20h
 Clearing w we have:
 w = (20/5) = 4 cm
 Answer:
 
The width, in centimeters, of the new prism is:
 
w = 4cm
4 0
3 years ago
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(3 x 7) + (x+40) 7/2x-5) = 180 find x
astra-53 [7]

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Step-by-step explanation:

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5 0
3 years ago
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I need help and have to show my work
Oksi-84 [34.3K]
Okay 
5.
m+4=17
   -4   -4
    m=13
6.
12=24-y
24-12
y=12
7.
15-b=12
-12   -12
b=3
8.
10t=90
90/10
t=9
9.
22/y=2
22/2
y=11
10.
54=6b
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7 0
3 years ago
Which could NOT be a view of one face of a triangular prism
allochka39001 [22]

Answer:

D (or the last one) it has multiple faces upon one face do it doesn't count. it also isn't a triangle it's a pentagon.

Step-by-step explanation:

big brain time

7 0
2 years ago
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