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VladimirAG [237]
3 years ago
14

Lisa and Jen left home at the same time, only Lisa biked to school at a speed of 10 mph while Jen just walked at a speed of 4 mp

h. How much time did it take Lisa to get to school if she reached school when Jen still was 1 mile away from it?

Mathematics
1 answer:
IrinaVladis [17]3 years ago
5 0

Answer:

\dfrac{1}{6} hour or 10 minutes

Step-by-step explanation:

Lisa:

Rate = 10 mph

Time = t hours

Distance = x miles

x=10\cdot t

Jen:

Rate = 4 mph

Time = t hours

Distance = x - 1 miles

x-1=4\cdot t

Hence,

10t-1=4t\\ \\10t-4t=1\\ \\6t=1\\ \\t=\dfrac{1}{6}\ hour

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Priscilla can make 4 bracelets in 13 minutes. At this rate, how many bracelets can she make in 26 minutes?
Degger [83]

Answer:

8

Step-by-step explanation:

To find the answer, multiply 4 and 2 together, since 13 is 2 times less than 26.

----------------------------------------------------------------------------------------------------------------

Let's double check,

26 ÷ 13 = 2

so,

4 × 2 = 8

----------------------------------------------------------------------------------------------------------------

Have a good day :)

4 0
3 years ago
If you can tell me what the missing number is.
Orlov [11]

Answer:

6

Step-by-step explanation:

So, to start answering this, lets recall the formula for a rectangles volume:

This formula is :

V=h*w*l

Lets plug in what we know, and solve for the missing variable.

We know that height(h) is 7.

We know that width(w) is 9.

We know that volume(V) is 378.

We are missing length(l)

So:

378=7*9*l

To find length(l), we must iscolate it.

To do this, we must get rid of the 7 and 9.

So lets start by dividing 378 by 9:

378/9=7*9/9*l

=

42=7*l

Now lets do the same thing with the 7 to iscolate l:

42/7=7/7*l

=

6=l

So our missing length(l) is 6.

Answer:

l = 6

Hope this helps!

5 0
3 years ago
Jill has 4 bags of marbles. There are 3red, 5green,2 yellow, and 6black marbles I. Each bag. How many marbles does Jill have? Sh
Eddi Din [679]
3+5+2+6=16 in each bag multiply or divide sorry not that much of an answer
6 0
2 years ago
Read 2 more answers
PLEASE HELP!!! The formula F =9/5 C + 32 expresses Fahrenheit temperature in terms of Celsius temperature. Find the Celsius temp
mrs_skeptik [129]

Answer:

The Celsius temperature is 5° when the Fahrenheit temperature is 41°.

Step-by-step explanation:

Given that:

F = \frac{9}{5}C + 32

Where,

F represents the temperature in Fahrenheit

C represents the temperature in Celsius

For calculating Celsius temperature from 41° Fahrenheit, we will put F=41 in given equation

41=\frac{9}{5}C+32

Subtracting 32 from both sides

41-32=\frac{9}{5}C+32-32\\9=\frac{9}{5}C

Multiplying both sides by 5/9

\frac{5}{9}*9=\frac{5}{9}*\frac{9}{5}C\\5=C\\

C = 5°

Hence,

The Celsius temperature is 5° when the Fahrenheit temperature is 41°.

6 0
2 years ago
Find the product. (fg)9
Alla [95]

Answer:

f9g9

Step-by-step explanation:

they are both powered individually

6 0
3 years ago
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