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Anarel [89]
3 years ago
11

Answer the following: a) 2x32 = b) (2 x 3)2 =

Mathematics
2 answers:
wel3 years ago
6 0

Answer:

a) 64 b) 12

Step-by-step explanation:

32 + 32 = 64

2*3 = 6

6*2 = 12

skad [1K]3 years ago
4 0

Answer:

a) 64 b) 12

Step-by-step explanation:

The answer for a is simple the answer is 64 just multipy 32 with 2 and the second one first you have to solve he answer iin the bracket then the answer you get from the bracket you will have to multiply with the number outside the bracket which is 2 and the answer you get will be 12.

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. The new saleswoman at Clocks Unlimited was very good. During her first day on the job she sold at least two of each of the thr
LiRa [457]

Answer:

5

Step-by-step explanation:

Let the number of the kitchen clock sold =a

Let the number of the cuckoo clock sold =b

Let the number of the two-foot high grandfather clocks sold =c

The new saleswoman sold at least two of each of the three models.

Therefore:

a\geq 2\\b \geq 2\\c \geq 2

In all, she collected $300 from selling these models alone

17a+31b+61c=300

17(2)+31(2)+61(2)=218

300-218=82

Next, we try to express the remainder (82) in terms of 17, 31 and 61

82=17(3)+31

Therefore, she sold:

  • 5 kitchen clocks
  • 3 cuckoo clocks
  • 2 two-foot high grandfather clocks

She sold 5 $17 clocks.

CHECK:

17(5)+31(3)+2(61)=$300

4 0
3 years ago
URGENT PLEASE: You purchase a new guitar and take out a loan for $450. You have 18 equal monthly payments of $28 each. What is t
kramer
Answer:
8%

Step-by-step explanation:
The amount repaid is ...
A = P(1 +rt)
Filling in the given values, we can find r.
(18·28) = 450(1 +r(18/12)) . . . . . t is in years
504 = 450 + 675t

54/675 = 0.08 = 8%

The simple interest rate on the loan is 8%.
8 0
2 years ago
25 3/10 plus 376 77/100 pls hurry
jasenka [17]

Answer:

402.07

Step-by-step explanation:

4 0
3 years ago
Please Help me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
postnew [5]

Let Jenny = J

Let Mica = M

J = M + 4

Now you have to represent 5 years ago

J - 5 = 2*(M - 5)

J - 5 = 2M - 10                Substitute J = M + 4 Into this equation

M + 4 - 5 = 2M - 10        Combine terms on the left

M - 1 = 2M - 10               Add 10 to both sides    

M - 1 + 10 = 2M              Combine one the left

M + 9 = 2M                    Subtract M from both sides

9 = 2M - M              

9 = M                             Answer Miki

J = M + 4                       Substitute Miki's age for M

J = 9 + 4                         Answer Jenny

J = 13

Answer:

Jenny = 13

Mika = 9

4 0
3 years ago
The American Veterinary Association claims that the annual cost of medical care for dogs averages $100 with a standard deviation
Taya2010 [7]

Answer:

The probability that the cost for someone's dog is higher than for the cat is 33.2%.

Step-by-step explanation:

With the data given, we know that the difference in cost of medical care of dogs and cats have a normal distribution with μ=-20 and σ=46.

To know the probability of the cost for the dog is higher than the cat, we have to calculate the probability of P(d>0).

Then we have to calculate z, and look up in a standarized normal distribution table.

Calculate z:

z=\frac{X-\mu}{\sigma}=\frac{0-(-20)}{46}=\frac{20}{46}=   0.4348

The probability of the difference being higher than 0, we have:

P(d>0)=P(z>0.4348)=0.33185

We can say that the probability that the cost for someone's dog is higher than for the cat is 33.2%.

8 0
2 years ago
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