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Stells [14]
3 years ago
9

HELP NOW PLZ

Mathematics
1 answer:
frez [133]3 years ago
7 0
Number 2 is a
and 3 is b
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Will report anybody who gives a link!<br><br> 3,947 ÷ 45 = (?) R (?)
Free_Kalibri [48]

Answer:

87.7(1)

=

87 Remainder 32

8 0
3 years ago
Could anyone help me with this whole question? The bottom drop-down question options are, does or does not
Alina [70]

Answer:Values for the coefficient in the product k:

a=b=c=d=3*10^8, so the first four boxes should be filled with the number "3"

Drop down arrow: "does"

Step-by-step explanation:

We perform all the products of wavelength time frequency indicated for the column of the quantity "k":

a=1 * 10^{-10} * 3\, * 10^{18} = 3 * 10^{-10+18} = 3 * 10^{8}=

b=1 * 10^{-1}*3*10^9=3* 10^{-1+9}=3*10^8

c=600*10^{-6}*5*10^{11}=3000*10^{-6+11}=3000*10^5=3*10^3*10^5=\\=3*10^{3+5}=3*10^8

d=4*10^{-7}*7.5*10^{14}=30.0*10^{-7+14}=30*10^7=3*10*10^7=\\=3*10^{1+7}=3*10^8

Therefore, all products of these different wavelengths and their associated frequencies render the exact same answer : 3*10^8, which means that as one of these quantities increase, the other one will decrease in the same proportion to give the same numerical answer.

This means that the two quantities are associated via inverse proportionality. As seen in the equation below, if the quantities "x" and "y" are related by inverse proportionality (shown as one equals a constant "A" divided by the other variable), their product x*y will give that constant value "A" (which in our case is 3*10^8.

x=\frac{A}{y} \\x*y=A

4 0
4 years ago
Find r, the common ratio.<br> {-252, 126, -63, 31.5, ...}
storchak [24]

Answer:

÷ -2

Step-by-step explanation:

8 0
3 years ago
7 th grade algebra, needing help to solve. 11c-8+5c-8
Lesechka [4]

Answer:

16c-16

Step-by-step explanation:

11c-8+5c-8

16c -8 -8

16c-16

7 0
3 years ago
Read 2 more answers
6th grade math! Question 8 (:
Naddik [55]

Answer:

  B.  120

Step-by-step explanation:

Each ribbon is 25 yards long. Each yard is 36 inches, so the length of the ribbon is ...

  (25 yd)(36 in/yd) = 900 in

This can be divided into n pieces, where n satisfies ...

  22n ≤ 900

  n ≤ 900/22 = 40 20/22

That is, Erika can cut 40 22-inch pieces from each 25-yard piece, and will have 20 inches left over.

From the 3 25-yard pieces, Erica can cut 3×40 = 120 pieces of ribbon that are 22 inches long.

_____

She will have 3 pieces that are 20 inches left over.

3 0
4 years ago
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