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Mumz [18]
3 years ago
8

How to do this please and what's the answer ​

Mathematics
1 answer:
nalin [4]3 years ago
5 0
This is how you do it! Please let me know if you need help.

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Help please, will mark brainliest ​
mario62 [17]

Answer:

Step-by-step explanation:

LET ORANGES=X

PEARS ARE 3 TIMES =3X

LET CHILDREN=Y

IF WE GIVE 5 ORANGES PER CHILD WE NEED 5Y ORANGES.SO THIS =X

X=5Y........................I

IF WE GIVE 8 PEARS PER CHILD WE NEED 8Y PERARS...THERE ARE STILL 21 PEARS LEFT OUT AFTER THIS THAT IS

8Y+21=3X....................II

SUBSTITUTING FOR X FROM EQN.I..

8Y+21=3*5Y

15Y-8Y=21

7Y=21

Y=3

X==5Y=5*3=15..

SO CHILDREN =3

ORANGES=15

PEARS=3*15=45

THANKYOU AND PLEASE AMRK IT BRAINLIEST

8 0
3 years ago
Rewrite the equation y – 4x = –9 in slope-intercept form. simple explanation and proof
dusya [7]

Answer:

y=4x-9

Step-by-step explanation:

add 4x to both sides to isolate y

4 0
3 years ago
Read 2 more answers
A batman costume costs $20. A harlequin costume costs twice as much as the batman costume. How much does a harlequin costume cos
Gnoma [55]

Answer:the harleyquin costume would cost 40 $

Step-by-step explanation: as given the batman costume costs 20$. so 20 times 2 equals 40$.

20*2= 40$

6 0
3 years ago
Read 2 more answers
Two digits of the 5-digit number A = 74*9* are missing. Fill in the missing digits so that the number obtained is the smallest p
e-lub [12.9K]

Answer:

A = 74295.

Step-by-step explanation:

74*9*

- the last number must be a 0 or a 5.

So we try 74090/45 -  not an integer

74095/45 = No

74190/45 No

74195/45  No

74295 / 45 = 1651 So that's it,

6 0
3 years ago
Read 2 more answers
Solve this equation v-10=-9
andrew11 [14]
First add 10 on both sides. So it will be v = 1.
6 0
3 years ago
Read 2 more answers
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