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Alchen [17]
3 years ago
6

James is reading a book that is 1400 pages he will read the same number of pages each day if he reads the book in 7 days how man

y pages will he read each day
Mathematics
2 answers:
Novay_Z [31]3 years ago
7 0
He will read 200 pages a day.
nlexa [21]3 years ago
6 0
He reads 200 pages a day.

1400/7 = 200 pages per day.

Hope this helps!
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Carl and Nicole are raising money to purchase basketballs for their school's team. The more money they raise, the more basketbal
nata0808 [166]

Answer:

The amount of money raised

Step-by-step explanation:

The amount of basket balls depends on the money rasied and is therefore dependant, that leaves the money, which is completely independent.

3 0
3 years ago
Read 2 more answers
Error Analysis: Kayla said the remainder of x^3+ 2x^2 -4x + 6 divided by
andrezito [222]

9514 1404 393

Answer:

  C) No, Kayla is not correct, because the remainder is -49 not 149

Step-by-step explanation:

The remainder from division by x+5 can be found by evaluating the polynomial at x=-5, the value of x that makes the divisor zero.

Evaluation is often easier when the function is written in Horner form.

  ((x +2)x -4)x +6

For x=-5, this is ...

  ((-5 +2)(-5) -4)(-5) +6 = (-3(-5) -4)(-5) +6 = 11(-5) +6 = -49

Kayla is not correct; the remainder is -49.

5 0
2 years ago
We bought five 3 3/4 pound bags of bird seed. What is the total weight of the birdseed they bought
Firdavs [7]
It would be 18.75 because if you put it into a mixed number then multiply by 5 you get 18.75
3 0
3 years ago
Suppose a student started with 139.0 mg of trans-cinnamic acid, 463 mg of pyridinium tribromide, and 2.45 mL of glacial acetic a
Sliva [168]

Answer:

0.2889 g  brominated product

64.6 %

Step-by-step explanation:

This is a bromination chemical reaction of an alkene  and we are asked to calculate the theoretical and percent yield. Thus to solve it we have to perform a calculation based on the balanced chemical reaction.

The pyridinium tribromide is used as a generator of molecular bromine in situ, and bromine will add to the double bond in trans-cinnamic acid so we know the reaction occur in a one to one mole fashion.

trans-cinnamic acid + pyridinium  tribromide ⇒ 2,3-dibromo-3-                          

                                                                             phenylpropanoic acid

Molar weight  trans-cinnamic acid  =  148.16 g/mol

mass trans-cinnamic acid  = 139.0 mg x  1g/1000 mg = 0.139 g

# mol trans-cinnamic acid =  0.139 g / 148 g/mol = 9.38 x 10⁻⁴ mol

Since our reaction is 1 mol trans-cinnamic acid  produces 1 mol 2,3-dibromo-3-phenylpropanoic acid, it follows that the theoretical yield is:

1 mol 2,3-dibromo-3-phenylpropanoic acid /  trans-cinnamic acid x 9.38 x 10⁻⁴ mol trans-cinnamic acid  

=  9.38 x 10⁻⁴ mol  2,3-dibromo-3-phenylpropanoic acid

In grams the the theoretical yield is:

molar mass  2,3-dibromo-3-phenylpropanoic acid = 307.97 g/mol

The theoretical mass  2,3-dibromo-3-phenylpropanoic acid:

=   9.38 x 10⁻⁴ mol  2,3-dibromo-3-phenylpropanoic acid x 307.97 g/mol

=   0.2889 g

% yield = mass experimental/mass theoretical

= 0.1866 g /  0.2889 g x 100 = 64.6 %

4 0
3 years ago
A fund-raising company is putting together a student kit of candy bars for a school to use in its annual support campaign. To ma
Bess [88]

Answer:

jhf jfcqaife 8 joqa'  fhiaP

f

Step-by-step explanation:

7 0
3 years ago
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