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aivan3 [116]
3 years ago
12

Please help with number 2! Please answer quick

Mathematics
1 answer:
kumpel [21]3 years ago
7 0

Answer:

each brother ate 1/10 of the cake

Step-by-step explanation:

1/5 divided by 2 is 1/10

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sam had 70 erasers and rulers. after giving away 1/3 of his erasers and 10 rulers, he had an equal number of erasers and rulers
Radda [10]

Answer:

36 erasers

Step-by-step explanation:

Let number of erasers be e

let number of rulers be r

We can write:

e + r = 70

and

After giving away, he has

Erasers:  2/3e

Rulers:  r - 10

These two are equal, so we can write and solve:

2/3e = r - 10

2/3e + 10 = r

Putting this in initial equation, we have:

e + (2/3e + 10) = 70

5/3e + 10 = 70

5/3 e = 60

e = 36

And rulers is:

r = 2/3(36) + 10 = 34

Hence, he had 36 erasers in the beginning

4 0
4 years ago
Solve for x<br> (3x + 2)<br> 71<br> A) 28<br> C) 24<br> B) 23<br> D) 34
Sloan [31]

3x=71-2

3x=69

x=69/3

x=23

7 0
4 years ago
Item 3<br> Is this function linear or nonlinear?<br><br> y=2x²−4<br><br> linear<br><br> nonlinear
kodGreya [7K]

Answer:

B.nonlinear

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Writing and evaluating a function that models a real-world situation: advanced
Wittaler [7]
So in this equation we're given that Ravi puts $350 into his account, this means that when W=0, S=350. Or that the y-intcpt(b) is 350.

when we find an equation we use slope intcpt formula:

y = mx + b

M in this case is the slope or the amount S

changes for every value of W. So if Ravi adds $70 every day that means the amount of money in his account increases by $70 everyday, so we can say m= 70

So putting together the equation with b= 350 and m = 70 we get :

S = 70W + 350 \:

Calculating for 17 weeks or W = 17

S = \: 70 \times 17 \: + 350 \\ S = 1190 \: + 350 = 1540

Ans: $1540
3 0
3 years ago
How do you graph these types of inequalities?
liberstina [14]
A^2 + b^2=c^2 is the equation

7 0
4 years ago
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