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olchik [2.2K]
3 years ago
5

What is the sum (2/5x + 5/8) + (1/5x — 1/4)?

Mathematics
1 answer:
Alecsey [184]3 years ago
4 0

Answer:

3/5x+3/8

the second one

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What is equivalent to 3^4/3^7
Misha Larkins [42]

i believe your answer will be 0.04 or 4/100

OR if you need an equivalent expression, that would be 81/2187

5 0
3 years ago
I would appreciate this a lot if someone could help me with this.
VARVARA [1.3K]

Answer: 1 - 2 = u got this

Step-by-step explanation:

6 0
3 years ago
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The probability of drawing two nickels from a bag at random without replacement is 33/95 . The probability of drawing a nickel f
Natasha_Volkova [10]
The probability that two events occur is equal to the product of the individual events happening or occurring. For this item, we let x be the probability that is unknown such that the relationship between them may be expressed as,
                            (3/5)(x) = 33/95
The value of x from the equation is 11/19. 
7 0
4 years ago
Need help on numbers 1 and 2 ill mark brainliest if they are right
geniusboy [140]

Question author, it's spelled pi not pie, and we use just use the Greek letter π.  Students, demand better from your teachers.

1. Rectangular prism, aka a box. Volume is length times width times height.

V = 5×7×9 = 315 cubic feet

That's cubic feet of course, the product of three lengths.  We didn't even need to do the problem, just look for the common answer and pick the one with the right units.  I just saw that same pattern in a volume problem yesterday.

Answer: 315 cubic feet, first choice

2. Cylinder, volume is base area times height, πr²h.   We have a radius of r=14/2=7 yd and h=8 yd.  We're using π=3.14.

V = πr²h = 3.14(7²)(8) = 1230.88 cubic yds

Answer: 1230.9 cubic yards, last choice

5 0
4 years ago
How do you collect like terms
pentagon [3]
Add them together 
e.g - 5a +6+6a+7
= 11a+13

6 0
3 years ago
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