3 years ago

Select the number property that will justify the step in the following expression.

Mathematics

1 answer:

umka2103 [35]3 years ago

5 0

Positions of 2, 5, 17 are not changed - so its not commutative property

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How to solve -5 + 13y = -7

zubka84 [21]

Answer:

y = -2/13

Step-by-step explanation:

-5 + 13y = -7

Add 5 to each side

-5+5 + 13y = -7+5

13y = -2

Divide by 13

13y/13 = -2/13

y = -2/13

5 0

3 years ago

Read 2 more answers

(5+4-2)×(-2)=idfkadtsphm

lbvjy [14]

5+4=9 9-2=7

7x(-2)= (-14)

your answer is -14

6 0

3 years ago

Claire is going to invest in an account paying an interest rate of 5.4% compounded daily. How much would Claire need to invest,

Delicious77 [7]

Answer:

P ≈ 100

Step-by-step explanation:

260 = P(1+0.054/365)^365(14)

260 = P(1.000147945)^5110

260= P(2.129621112)

P= 122.087444818

P ≈ 100

4 0

2 years ago

Your friend has $100 when he goes to the fair. He spends $10 to enter the fair and $20 on food. Rides at the fair cost $2.00 per

zysi [14]

You could use the function:

f(x)=30+2x
100=30+2x

In which lets say he rode 3 rides. Plug in 3 for x.

100=30+2(3)

Then Multiply
100=30+6

Then combine 30 and 6 to get 36.
Then you can subtract 36 from 100 to get
$64 left over.

5 0

3 years ago

<img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%5E%7B2%7D%2B11%7D%2B4%3D2x%5C%5C" id="TexFormula1" title="\sqrt{x^{2}+11}+4=2x\\"

Doss [256]

Answer:

x = 5

Step-by-step explanation:

Hope this helps! :D

3 0

2 years ago