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eimsori [14]
2 years ago
9

URGENTTT PLEASE I NEED HELP USE SUBSTIUTION SHOW ALL WORK AND ANSWER PLS IM GIVING 60 POINTS BRO PLEAWE

Mathematics
1 answer:
Misha Larkins [42]2 years ago
8 0

Answer:

y=1

x=2

(2,1)

Step-by-step explanation:

x=2y

2x+5y=9​

2(2y)+5y=9

4y+5y=9

9y=9

y=1

x=2(1)

x=2

(2,1)

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Two bags had 50 kilograms of sugar each. After taking out 3 times as much sugar from bag one than bag two, bag one had half as m
OlgaM077 [116]

Answer:

Amount left in bag one = 20kg

Amount left in bag 2 = 40 kg

Step-by-step explanation:

We are told that Two bags had 50 kilograms of sugar each.

Let first bag be x and second bag be y.

Now, we are told that After taking out 3 times as much sugar from bag one than bag two, bag one had half as much sugar left as bag two.

Thus, amount taken from bag one is;

3a and amount taken from bag two is a.

Amount left in bag 1 is;

50 - 3a while amount left in bag 2 is 50 - a.

Since bag one had half as much sugar left as bag two, then;

50 - 3a = ½(50 - a)

50 - 3a = 25 - 0.5a

50 - 25 = 3a - 0.5a

25 = 2.5a

a = 25/2.5

a = 10

Thus;

Amount left in bag 1 = 50 - 3a = 50 - 3(10) = 50 - 30 = 20 kg.

Amount left in bag 2 = 50 - a = 50 - 10 = 40 kg

6 0
3 years ago
A car Travels at a speed of 65 miles per hour. How far will it travel in 5hours?​
Alex17521 [72]
65 x 5 = 325

it’ll travel 325 miles.

mark as brainliest please
8 0
3 years ago
Read 2 more answers
Help pls this test is timed and I have been doing it sine 8:00 Florida time!!!!!!!!! It’s the m and q question thanks
Lelechka [254]

Answer: A.

Step-by-step explanation: Because a solid can go from a liquid to a gas and if you think of ice, Ice starts as a solid then when it melts it turns into a liquid the when the liquid evaporates it turns to a gas. Hope this helped

3 0
3 years ago
Help someone plz I'll give brainlest​
-Dominant- [34]

Answer:

like with the whole page?? cause if so i got this KINDA

Step-by-step explanation:

the first one (2/9+2/9) = 4/9

the second one (1/4+2/4)=3/4

the third one (3/8+5/8)=1 whole or 8/8

i cant see the last one so ill skip to the bottom row

the first one (2/5-1/5)=1/5

(9/12-4/12)=5/12

(4/10-2/10)= 2/10

and ill give someone else a shot with the rest of the questions but yw

this is pretty simple but hit me up if you ever need more help

=D

7 0
3 years ago
Read 2 more answers
B. In what time will Rs 10000 will yield a compound interest of Rs 2769​
taurus [48]

Answer:

after 8years

Step-by-step explanation:

Complete question;

In what time will Rs 10000 will yield a compound interest of Rs 2769​ at 3% per annum

Using the compound interest formula;

A =P(1+r)^n

Given

P = Rs10000

A = 10000+2769

A = 12769

rate = 3% = 0.03

Substitute and get the time t

12769 = 10000(1+0.03)^n

12769/10000 = 1.03^n

1.2769 = 1.03^n

log 1.2769 = nlog1.03

n =  log 1.2769/log 1.03

n = 0.1062/0.01283

n = 8.27

Hence the time is approximately after 8years

3 0
3 years ago
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