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3 years ago

Explain what the unit rate means in the context of the problem

Mathematics

2 answers:

Nady [450]3 years ago

5 0

Meaning how many per one like 14 feet per one minute very simple

Alex Ar [27]3 years ago

4 0

Unit rate mean 'how many per one'.
If you pay 10 dollars for 5 pears,
The unit rate would be 2 dollars per pear

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Factorize 9(a+1)^2-81

Lunna [17]

Answer:9a^2+18a-72

Step-by-step explanation:

9(a+1)^2-81

9(a+1)(a+1)-81

Open brackets

9(a^2+a+a+1)-81

9(a^2+2a+1)-81

9a^2+18a+9-81

9a^2+18a-72

5 0

2 years ago

What is the y intercept of the function f(x)=2 x 3^x

Lelechka [254]

Answer:

(0,2)

Step-by-step explanation:

by substituting 0 for x you can find the y-intercept

f(x)=2*3^x

f(x)=2*3^0

f(x)=2*1

f(x)=2

5 0

2 years ago

Can someone please help me with this?

Levart [38]

Answer:

5 is the answer. hope this help you

5 0

2 years ago

Read 2 more answers

Find the distance between the origin and the point R = (9,7,8). The distance is: Ensure that you use at least 4 decimal place ac

Brrunno [24]

Answer:

Distance between points R=(9,7,8) and origin is,

d = 13.9283 units.

Step-by-step explanation:

We have to calculate the distance between the two points,

Where,

the first point is origin, i.e.

Q = (0,0,0)

and R = (9,7,8)

According to distance formula, the distance between two points can be given by

$d\ =\ \sqrt{(x_1-x_2)^2+(y_1-y_2)^2+(z_1-z_2)^2)}$

$=\ \sqrt{(0-9)^2+|(0-7)^2+(0-8)^2)}$

$=\ \sqrt{(-9)^2+(-7)^2+(-8)^2)}$

$=\ \sqrt{81+49+64}$

$=\ \sqrt{194}$

= 13.9283

Hence, the distance between two points R=(9,7,8) and origin is 13.9283 units.

5 0

3 years ago

What is 9+9n=9 show work please

strojnjashka [21]

9 + 9n = 9

*subtract 9 from both sides

9n = 0

*divide both sides by 9

n = 0/9 = 0

n = 0

6 0

3 years ago

Read 2 more answers