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2 years ago

There were 5 cookies and 3 were gone how many are left

Mathematics

2 answers:

qwelly [4]2 years ago

7 0

Answer: 2 cookies are left

Explanation: I ate the other three :|

MariettaO [177]2 years ago

7 0

Answer:

2 cookies

Step-by-step explanation:

because 5-3 =2

# May it helpfyul

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How much greater is the surface area of the cube?

Soloha48 [4]

The surface area 3 times greater than the area.

6 * 2 gives the area
the surface area is by multiplying area by 3.
this means that the surface area is 3x bigger than area.

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3 years ago

What is 24.2% of 120

katen-ka-za [31]

Answer:

29.04

Step-by-step explanation:

Multiply: 120*.242=29.04

It's multiplied by .242 bc if you want to turn a percentage into a decimal you need to move the decimal twice to the left. So, 24.2 becomes .242.

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2 years ago

What is the value of x in the equation x + 10 = 13?<br> O-3<br> 03<br> 0 13<br> O 23

gayaneshka [121]

Answer:

Step-by-step explanation:

x+10=13

x+10-10=13-10

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2 years ago

Read 2 more answers

Barry Katz earns $1,275 per week. He is married and claims two exemptions. What is Barry’s income tax? Use percentage method.

Nataliya [291]

Answer: I’m not sure but I think the answer is $255

Step-by-step explanation:

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2 years ago

Suppose $1000 is invested at a rate of 13% per year compounded monthly. (Round your answers to the nearest cent.)

masya89 [10]

Answer:

a. $1010.83

b.$1066.77

c. $1138.00

d.$13,269.22

Step-by-step explanation:

Given the annual rate as 13%(compounded monthly) and the principal amount as $1000.

a. #first we calculate the effective annual rate;

$i_m=(1+i/m)^m-1\\\\i_{12}=(1+0.13/12)^{12}-1=0.1380$

The compounded amount after 1 month is therefore:

$P_1=P(1+I_m)^n, n=1/12, i_m=0.1380, P=1000\\\\P_1=1000(1+0.1380)^{1/12}\\\\P_1=1010.83$

Hence, the principle after one month is $1010.83

b. The principal after 6 months:

-From a above we have the effective annual rate as 0.1380 and our time is 6 months:

$P_{6m}=P(1+i_m)^n, \ n=6m, P=1000, i_m=0.1380\\\\P_{6m}=1000(1+0.1380)^{6/12}\\\\=1066.77$

Hence, the principal after 6 months is $1066.77

c.The principal after 1 year:

-From a above we have the effective annual rate as 0.1380 and our time is 12 months:

$P_{1y}=P(1+I_m)^n, n=1/12, i_m=0.1380, P=1000\\\\P_{1y}=1000(1+0.1380)^{12}\\\\P_{1y}=1138$

Hence, the principal after 1 year is $1138.00

d. The principal after 20years:

-From a above we have the effective annual rate as 0.1380 and our time is 20yrs:

$P_{20y}=P(1+I_m)^n, n=1/12, i_m=0.1380, P=1000\\\\P_{20y}=1000(1+0.1380)^{12}\\\\P_{20y}=13269.22$

Hence, the principal after 20 years is $13,269.22

3 0

3 years ago