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Irina-Kira [14]
3 years ago
7

If Dave had 5 apples, Sandie has twice the amount Dave has.

Mathematics
2 answers:
Anestetic [448]3 years ago
8 0

First it’s twice 5 so basically you multiply( 5•2)=10 or add (5+5)=10 so if Dave has 5 apples sandie has 10 apples

lorasvet [3.4K]3 years ago
7 0

Answer:

10

Step-by-step explanation:

If Dave has 5 apples and Sandie has double the amount then you need to multiply 5 and 2.

5×2=10.

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Jessica prepared 36 kilograms of dough after working 6 hours. How much dough did Jessica prepare if she worked for 8 hours? Assu
Pepsi [2]

Answer:

48

Step-by-step explanation:

because 36 divided by 6 is 6 and that is how much dough she produces in an hour so if you added two more 6s to 6 to make it 8 meaning you are adding 12 because that is how much dough she makes in an hour

5 0
2 years ago
Answer right and I will mark brainiest and give 50 points...
Korolek [52]

Answer:

1.08T/ (1+8/100)T

Step-by-step explanation:

There is an easier way instead of doing 0.08 of t and then adding. You can do 108% of t which immediately gives the answer.

Hope this helps:)

3 0
3 years ago
How to solve z+2/z-3=5/-3
OLEGan [10]
(z+2)= (z-3)(5/-3)
z+2 = 5z/-3 +5
-3= 2z/-3
9= 2z
9/2 = z
5 0
3 years ago
A newspaper article states that 90% of drivers in Iowa wear their seatbelt. Suppose we are interested in estimating the proporti
konstantin123 [22]

Answer:

The sample size is  n  = 3457

Step-by-step explanation:

From the we are told that

  The population proportion is  p =  0.90

  The margin of error is  E =  0.01  

From the question we are told the confidence level is  95% , hence the level of significance is    

      \alpha = (100 - 95 ) \%

=>   \alpha = 0.05

Generally the sample size is mathematically represented as

       n  =[  \frac{ Z_{\frac{\alpha }{2} }  }{E} ]^2 * p(1-p)

=>  n  =[  \frac{ 1.96  }{0.01} ]^2 * 0.90(1-0.90)

=>   n  = 3457

8 0
3 years ago
simplify A + B + 2A + 3B show how you got your work and the numbers please please show how you figure out the numbers and how to
KengaRu [80]

a + b + 2a + 3b \\ a + 2a = 3a \\ b + 3b = 4b \\  \\ 3a + 4b
7 0
3 years ago
Read 2 more answers
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