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Gekata [30.6K]
3 years ago
14

shen baked b cookies. his family ate 11 of them. using b, write an expression for the number of cookies that remained.

Mathematics
1 answer:
Jobisdone [24]3 years ago
7 0

Step-by-step explanation:

So, lets write out the equation you have right now.

B - 11 = ?

You can have B be whatever you want. It must be higher than 11 (unless your teacher or whoever your guardian is allows negative numbers). In this case, I will use 15.

B = 15

15 - 11 = ?

Solve the equation and you get 4. Simple!

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Glenn needs 20 minutes to clean his room. If his little sister Veronika pulls things out while he is cleaning, it takes 60 minut
Bogdan [553]

Answer:

It takes 30 minutes

Step By Step:

The rate of Glenn in finishing a job would be equivalent to:

Rate (G) = 1

job / 20 minutes

While the rate of Veronika is:

Rate (V) = 1

job / x---> x is the unknown

Where 1 job for Glenn means completely cleaning his room while 1 job for Veronika means pulling out everything. Therefore the equation to use would be:

1 / 20 – 1 /

x = 1 / 60

The rate of

Veronika is subtracted from the rate of Glenn since Veronika is slowing Glenn

down. Solving for x:

Multiply both

sides by 60 x

(1 / 20 – 1 /

x = 1 / 60) * 60 x

3 x – 60 = x

2 x = 60

x = 30

Therefore it

takes 30 minutes for Veronika to pull everything out.

3 0
3 years ago
What is the quotient of 1/2÷1/6=
Sphinxa [80]
1/2 <span>÷ 1/6 =

Divide fractions:

a x d /  b x c

 Therefore:

1 x 6 / 2 x 1 =

6 / 2 = 3

hope this helps!

</span>
3 0
3 years ago
Read 2 more answers
How do you determine if a given set of measurements works for the side lengths of a triangle? (It should be a number)
zaharov [31]
Add them all up and if they add up to 180 then your side lengths are good
5 0
3 years ago
Write a compound interest function to model each situation. Then find the balance after the given number of years.
andriy [413]

Answer:

See explanation

Step-by-step explanation:

The standard compound interest formula is A = P(1+\frac{r}{n})^{nt} where:

P is the principal amount

r is the interest rate (typically as a percentage)

t is the time

n is the times compounded per unit of time

So,

1)  A = 50000(1+\frac{0.03}{12})^{(12)(6)} =59847.42

2) A = 43000(1+\frac{0.05}{1})^{(1)(3)} =49777.88

3) A = 65000(1+\frac{0.06}{4})^{(4)(12)} =132826.08

You should check my answers though, I may have mixed up some terms.

3 0
3 years ago
3(2y-3)=27can u solve this one
navik [9.2K]
3(2y-3)=27
6y-9=27
6y=36
y=6
7 0
2 years ago
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