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Westkost [7]
2 years ago
13

Luba walked 5 miles in 1 1/2 hours. How fast did she walk in miles per hour?

Mathematics
1 answer:
Alexandra [31]2 years ago
8 0

Answer: 3 1/3 miles

Step-by-step explanation:

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An amount of $15,000 is invested in a fund that has a return of
IrinaVladis [17]

Answer:

$12000 should be invested in a fund with a 4% return.

Step-by-step explanation:

Consider the provided information.

An amount of $15,000 is invested in a fund that has a return of  6%.

We need to calculate how much money is invested in a fund with a 4% return if the  total return on both investments is $1380.

Let $x should be invested in a fund with a 4% return.

The above information can be written as:

1380=15000\times 6\%+x\times 4\%

1380=15000\times \frac{6}{100}+x\times \frac{4}{100}

1380=150\times6+x\times 0.04

1380-900=0.04x\\480=0.04x\\x=12000

Hence, $12000 should be invested in a fund with a 4% return.

6 0
3 years ago
Select the equivalent expression.<br> (3^-8 • 7^3)^-2 =?
melomori [17]
I’m pretty sure answer is A and i’m
3 0
3 years ago
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Factor b3 +b2 + b + 1.
olga nikolaevna [1]

Answer:

(b+1)(b²+1)

Step-by-step explanation:

8 0
3 years ago
Researchers in Antarctica discovered a warm sea current under a glacier that is causing the glacier to melt. The ice shelf of th
IceJOKER [234]

Answer:

t(x) = 450 - 0.06x

Step-by-step explanation:

6 0
3 years ago
Each exterior angle of a regular polygon is 10°. How many sides does it have?
jeka94

Answer:

if exterior angle is 10 degrees, then interior angle is 180 -10 = 170 deg.

Each trinaglke inside the polygon will be isosceles with two angles of 170/2 - 85 degrees each.

So, angle at centre = 180 -170 = 10 deg.

Ttal angle at centre = 360 deg.

No of sides = 360 /10 = 36 sided polygon.

b) Sum of interior angles is given by (2N-4) Right angles

So: 9900 = (2N-4)x90 = 180N - 360

180N = 9900 +360 = 10260

N = number of sides = 10260 / 180 = 57 sides

5 0
3 years ago
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