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Helen [10]
4 years ago
10

Which of these two expressions represent the phrase "five plus two times a number"? A. 5n+2n and 2n+5n B. 5+2n and 2+5n C. 2n+5

and 2n-5 D. 5+2n and 2n+5
Mathematics
1 answer:
Allushta [10]4 years ago
3 0

Answer:

It would be D because you are timing 2 by a number which would have n together

Hope this helped

You might be interested in
12 − 7 = 2(3 + 5) + 6 − 17
larisa [96]

It equals 5- hope this helps---

5 0
4 years ago
Zoe and Nora each have a pail with a small
faust18 [17]

Answer:

Zoe's pail is filling faster

Step-by-step explanation:

We can find the slope for the table

m = (y2-y1)/(x2-x1)

   = (7.5-5.7)/ (3-2)

   =1.8/1

 = 1.8 cups / minute

We can find the slope for the line

( 1,4)( 3,7)

m = (y2-y1)/(x2-x1)

    = (7-4)/(3-1)

    =3/2

   =1.5  cups/ minute

The table is filling faster (1.8 > 1.5)

Zoe's pail is filling faster

6 0
3 years ago
Please need help and steps
Solnce55 [7]

Answer: 2 and 17/20 mm is the total thickness of the stack.

Step-by-step explanation:

Get the values you need for the dime and the penny from the chart:

dime: 1 and 7/20mm ,  penny: 1 and 1/2mm

Find common denominators for the fractions given in the chart.

20 will work because 1/2  is the same as 10/20.

Add the numerators of the fractions:  7 + 10 = 17  so the fraction will be 17/20

Add the whole numbers 1 + 1 = 2

Put it all together and now you've got  2 and 17/20 mm

3 0
4 years ago
Whats the soultion ?
Anika [276]
You multiply -9 and -6 to solve for e.

e/-9 = -6
e = -9*-6
e = 54

Hope this helps :)
7 0
3 years ago
Read 2 more answers
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
3 years ago
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