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Stels [109]
3 years ago
13

Suppose you order a pizza with a diameter of

Mathematics
1 answer:
Valentin [98]3 years ago
3 0

Answer: 9

Step-by-step explanation: if the diameter of the pizza is 18 inches then the radius would be half of that, 9.

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Peter ran 15 miles without stopping during the marathon. Anne ran the distance that 1/3 Peter ran before she stopped.
viva [34]

Answer:

That would be A) 5 miles.

Step-by-step explanation:

this is because 3 times 5 is 15

so 1/3 of 15 is 5

7 0
3 years ago
Fraction word problems Your strip of paper represents one lap on a track. Three students ran a relay and took turns running equa
artcher [175]

Answer:

A quarter (\dfrac{1}{4}) of one lap of the track.

Step-by-step explanation:

Three students ran ran a relay and took turns running equal parts of the track.

The race was three-fourths of a lap long.

Let the length of one lap of the track=x

The length of the race=\frac{3}{4}x

Since each of the students ran equal part,

Length run by each student

=\dfrac{3}{4}x \div 3\\=\dfrac{3}{4}x X \dfrac{1}{3}\\=\dfrac{1}{4}x

Therefore, each student ran a quarter (\dfrac{1}{4}) of one lap of the track.

5 0
3 years ago
If avogadro's number of pennies is divided equally among the 250. million men, women, and children in the united states, how man
Anastasy [175]

We divide the pennies 100 to convert pennies to dollar

1 pennies= 1/100 dollar

Then we will convert 6.02×10∧23 p to dollar

=1 dollar/100 pennie ×6.02×10∧23

= 6.02×10∧21

The total men and women and children in 250 m  

=25×108

6.02×10∧21/2.5×10∧8

= 2.408×10∧13


6 0
3 years ago
-13x=90-2y <br> -6x=48-2y
Kisachek [45]

While it's pretty obvious to most of us that


-13x=90-2y

-6x=48-2y


is a system of linear equations, it'd be well to include that info plus the instructions "solve this system of linear equations."


Subtract the 2nd equation from the first:


-13x=90-2y

+6x=-48+2y

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

-7x = 42. Then x = -42/7, or x = 6.


Now subst. 6 for x in either one of the given equations. Suppose we use the 2nd equation:


-6x=48-2y


Then -6(6)=48-2y, or -36 = 48 - 2y, or 2y = 48+ 36 = 84. Then y = 42.


The solution is (6, 42).

3 0
2 years ago
How do you solve the expression for this problem r/.45=19.
Irina-Kira [14]
You multiply them together; to get 8.55
5 0
3 years ago
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