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pav-90 [236]
3 years ago
10

To rationalize the denominator of StartFraction 2 StartRoot 10 EndRoot Over 3 StartRoot 11 EndRoot EndFraction, you should multi

ply the expression by which fraction?
Mathematics
2 answers:
Komok [63]3 years ago
5 0

Answer:

B. on edge 2020

Step-by-step explanation:

kumpel [21]3 years ago
4 0

Answer:

\frac{3\sqrt[]{11} }{3\sqrt[]{11}}

Step-by-step explanation:

\frac{2\sqrt[]{10} }{3\sqrt[]{11} }

Multiply by the denominator making a fraction with that value in both numerator and denominator.

\frac{3\sqrt[]{11} }{3\sqrt[]{11}}

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Solve the formula d = rt for t when d = 280 and r = 40
iragen [17]

Answer:

7

Step-by-step explanation:

280=40t/40

t=7

4 0
3 years ago
3x x (7 x x) i don’t get this at all
Zielflug [23.3K]
3x +7x+x+x should be your answer
4 0
3 years ago
Read 2 more answers
The width of a rectangular poster is 16 in its length is twice its width find the perimeter
Evgesh-ka [11]
Length = x
width = y

y = 16
x = 2y
x = 2(16)
x = 32

perimeter = 2x + 2y
= 2(32) + 2(16)
= 64 + 32
= 96
6 0
3 years ago
Maria spent 15 days traveling in South America how many hours did she’s been traveling in South America
exis [7]

Answer:

360 hours

Step-by-step explanation:

When trying to find the number of hours out of the number of days someone has been doing something, assuming that she spent all 15 days traveling with no rest, you just multiply however many days (In this case, 15 days) by 24 hours.

This gives us the equation 15 times 24, which then equals 360.

A way I check these is that I divide however many hours I got by 24 and make sure it equals our first number.

We get the equation 360 divided by 24, which does, in fact, equal 15.

3 0
3 years ago
Read 2 more answers
Customers of a phone company can choose between two service plans for long distance calls. The first plan has no monthly fee but
hram777 [196]

Answer:

\\x= P/(c -d)[/tex],

Assume that the price of each minute in the first plan is $c and that the second plan charges a flat rate of $P and a charge  of additional $d for every minute.

Step-by-step explanation

Assume that the price of each minute in the first plan is $c and that the second plan charges a flat rate of $P and a charge  of additional $d for every minute.

Thus, the monthly cost of a customer who consumes x minutes in each plan is:

For the first plan: cx

and for the second plan: P + dx

Considering that the monthly costs must be the same in each plan, you have to:

cx = P + dx\\ transposing terms\\cx - dx = P\\   applying common factor\\(c -d)x = P\\ dividing by [tex]c - d

\\x= P/(c -d)[/tex].

For example if c = $2; d = $1 y P = $10, Then the number of minutes would be, x=10  and the total cost for each plan would be $20

5 0
3 years ago
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