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RSB [31]
2 years ago
7

If Selena completes her homework with 100 percent accuracy, she's allowed

Mathematics
2 answers:
KATRIN_1 [288]2 years ago
4 0

Answer:

she can watch 2.5 hours of her show

Step-by-step explanation:

FrozenT [24]2 years ago
3 0

Answer:

750

Step-by-step explanation:

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Solve the system through<br> substitution:<br> 2x-y=8<br> 3x+2y=5
levacccp [35]
Give the full question bro
7 0
1 year ago
Laura collects old foreign coins. She has 83 coins in total. She has 53 lira and drachma coins. She has 51 lira and peseta coins
Cerrena [4.2K]

Answer: She has 21 lira coins.

Step-by-step explanation:

Given, Laura collects old foreign coins. She has 83 coins in total. She has 53 lira and drachma coins. She has 51 lira and peseta coins.

Let x = the number of lira coins.

y= the number of drachma coins.

z= the number of peseta coins.

Then, as per given, we have

x+y+z=83   (i)

x+y=53   (ii)

x+z=51   (iii)

From (ii) and (iii)

y=53-x

z=51-x

Put these values in (i) , we get

x+(53-x)+(51-x)=83

⇒ x+53-x+51-x=83

⇒ 104-x=83

⇒104-83=x

⇒x= 21

Hence, she has 21 lira coins.

7 0
3 years ago
What is the sum of 3.85 x 10^3 and 18,240 written in scientific notation?
ki77a [65]

Answer:

Hope it will help you a lot.

7 0
2 years ago
An isosceles triangle has an angle that measures 134°. Which other angles could be in that isosceles triangle? Choose all that a
rjkz [21]

Answer:

23

Step-by-step explanation:

one angle  = 134

Other two angles are the base angles which are  same.

x + x + 134 = 180   {Angle sum property}

2x + 134 = 180

2x = 180 - 134

2x = 46

x = 46/2

x = 23

Other two angles are 23 , 23

3 0
3 years ago
Which is the best estimate for the sum of 3/8 and 1/12¿
SashulF [63]
Estimating is an educated guess, so 3/8 is just less than half, and 1/12 is just a bit more than 0.  So you could estimate that 3/8 + 1/12 = roughly 1/2

<span> if you add 3/8 and 1/12 you get 11/24</span>
4 0
3 years ago
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