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kirill [66]
2 years ago
8

Suppose you receive an allowance of $55 and your friend receives an allowance of $40 at the beginning of the month. If you spend

$6 a day and your friend spends $3 a day, after how many days will you and your friend have the same amount of money?
Mathematics
1 answer:
Licemer1 [7]2 years ago
4 0

Answer: 5 days

Step-by-step explanation:

so we need to find:

55 - 6a = 40 - 3a

with a being the days we need to find

-40 on each side

15 - 6a = -3a

+6a on each side

15 = 3a

divide each side by 3

5 = a

You might be interested in
Calvin takes piano lessons at a community music school located 3.7 miles directly north of the sports complex. What is the lengt
brilliants [131]

Answer:

The answer is below

Step-by-step explanation:

Calvin school is 2.3 miles directly south of his house. After school, he takes a bus 1.8 miles west of his school to the sport complex.

a) What is the length of a straight line between calvins house and the sports complex? Round to the nearest tenth.

b) Calvin takes piano lessons at a community music school located 3.7 miles directly north of the sports complex. What is the length of a straight line between Calvin's house and the music school? Round to the nearest tenth.

Solution:

a) Calvin school, his house and the sport complex form a right angled triangle. The hypotenuse of the right angled triangle is the length of the line between Calvin's house and the sport complex. Let the length of the line between Calvin's house and the sport complex be x.

Using Pythagoras law for right angled triangle, we get that:

x² = 2.3² + 1.8²

x² = 8.53

x = √8.53

x = 2.9 miles to the nearest tenth

b) This forms a right angled triangle with the hypotenuse = length of a straight line between Calvin's house and the music school. one side of the triangle = 1.8 miles and the other side = 3.7 - 2.3 = 1.4 miles.

Let x = length of a straight line between Calvin's house and the music school. Hence:

x² = 1.8² + 1.4²

x² = 5.2

x = √5.2

x = 2.3 miles to the nearest tenth

4 0
2 years ago
Please help [photo attachment]
Alexxx [7]
Absolute Zero, also I suggest cropping out your name and teacher for your safety :3 have an amazing day!
5 0
2 years ago
Which equations show you how to find 16-9?
Setler79 [48]
I think it might be B
because from 9+1 = 10 we can change to 9=10-1
and 10+6=16 no need to change
then we solve the problem with the equation
16 - 9
10+6 - (10-1)
10+6-10+1
7
thats the answer




5 0
3 years ago
Okay... i know its a lot 2 ask but i really need help w/this papaer....
givi [52]
D and I goes to the red house


7 0
3 years ago
I need an answer! NO LINKS PLS! il give brainlist
Maru [420]

<em><u>I think </u></em><em><u>the answer is A</u></em> because,

It is very unlikely that the gamers spend 606$ with a 21% deviation in the store

And it is most likely a lie that they spent that much .

3 0
3 years ago
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