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Ghella [55]
3 years ago
10

Which expressions below equal a rational number? Choose all that apply.

Mathematics
2 answers:
VladimirAG [237]3 years ago
8 0

Answer: A & D

Step-by-step explanation:

vladimir1956 [14]3 years ago
6 0

Answer:

All are rational numbers.

Step-by-step explanation:

A rational number can be written in the form:

\frac{a}{b}

where a and b are integers and b≠0.

We can rewrite 136 as

\frac{136}{1}

hence 136 is a rational number.

715-245=470....is an integer and hence a rational number.

(47)(217)=10199....which is an integer, and all integers are rational numbers.

\sqrt{100}  + 5 = 10 + 5 = 15

15 is also an integer and hence an integer.

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Which is the best approximation for the solution of the system of equations?
SpyIntel [72]

Answer:

(0.88, 0,65)

Step-by-step explanation:

what do we have to do ? I assume we need to find the crossing point between the 2 lines.

when looking at the graphic, we can already rule out the first, third and fourth option.

none of the coordinates of that point is larger than 1 in any direction or smaller than 0.5.

so, just by looking at things I immediately "bet" on answer option 2 (0.88, 0.65).

but let's check.

y = -2x/5 + 1

y = 3x - 2

for the crossing point both functions must produce the same functional value.

=>

-2x/5 + 1 = 3x - 2

-2x/5 + 5/5 = 15x/5 - 10/5

-2x + 5 = 15x - 10

15 = 17x

x = 15/17 = 0.88...

y = 3×0.88... -2 = 0.65...

hurray, our original observation and "suspicion" is confirmed.

5 0
2 years ago
Determine the intercepts of the line.
Hitman42 [59]

Answer:

x intercept= 0.3, y intercept= 0.4

Step-by-step explanation:

x intercept= 0.3

y intercept= 0.4

Bruh this ain't even that hard... All you have to do is read the point and write it down.

Hope this helps tho lol :)

4 0
3 years ago
Read 2 more answers
You mix 1 3/4 gallons of blue paint with 1 1/2 gallons of yellow paint to make green paint. How much green paint do you have?
irakobra [83]
IS this blaise weiss and yeuh I think its about 30 feet
3 0
3 years ago
A ticket to a movie for a student is $7. The cost for an adult is $2 mor than for a student. How much would it cost 5 adults and
yulyashka [42]
Adults: $45
Students: $203
Hope that’s correct
3 0
2 years ago
Find the missing angle measure.<br><br> Need help please!!!
posledela

Answer:

Angles in a pentagon add to 540 degrees.

100+80+160+91+x =540

431+x=540

109=x

Hope this helps!

8 0
2 years ago
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