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irina [24]
3 years ago
7

TO ANYONE WHO WILL HELP ME..

Mathematics
1 answer:
NikAS [45]3 years ago
4 0

Answer:

there isn't a math question

Step-by-step explanation:

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Your cell phone bill in August was $61.43, which was $21.75 more than your bill in July. Your cell phone bill in July was $13.62
irina [24]

Answer:

$53.30

Step-by-step explanation:

61.43-21.75=39.68 is the cell phone bill in July.

39.68+13.62= 53.30 is the phone bill in June.

3 0
3 years ago
Read 2 more answers
Retro Rides is a club for owners of vintage cars and motorcycles. Every year the club gets together for a ride. This year, 53 ve
kari74 [83]
21 cars, 32 motorcycles.
create a system of equations using x for cars and y for motorcycles.
\left \{ {{x+y=53} \atop {4x+2y=148}} \right.
multiply the top equation by 2 to prepare for elimination method
\left \{ {{2x+2y=106} \atop {4x+2y=148}} \right.
subtract terms
\left \{ {{2x+2y=106} \atop {-4x-2y=-148}} \right.  = (-2x = -42)
divide both sides by negative 2 to solve for x
x =21
plug in x  into original equation to solve for y.
21 + y = 53
subtract both sides by 21
y=32



8 0
3 years ago
How is 3/8 written as an decimal?
yaroslaw [1]
3/8 written as an decimal is <span>0.375</span>
8 0
2 years ago
Prove that for all n in the naturals, n(n+1)(n+2) is divisible by 3
DerKrebs [107]
By induction:

It's true for n=1, since 1\cdot2\cdot3 clearly contains a factor of 3.

Suppose it's true for n=k, that k(k+1)(k+2) is divisible by 3. Then

(k+1)(k+2)(k+3)=\dfrac{k(k+1)(k+2)(k+3)}k=\dfrac{3m(k+3)}k

where m is an integer. This reduces to

\dfrac{3m(k+3)}k=3m+9\dfrac mk

and both terms are clearly multiples of 3. We know that \dfrac mk is an integer since we had set m=k(k+1)(k+2) previously, which implies m is a multiple of k. So the statement is true.
6 0
3 years ago
Marcus drew a scale drawing of the rectangular park in his neighborhood. On his drawing, the length of the park is 8 inches and
Gwar [14]

Answer:

19200 ft

Step-by-step explanation:

first you convert it based on 1 in = 20 ft

8*20=160

6*20=120

now you multiply to find area

remember area is a = lw

160*120=19200

add units

19200 ft

6 0
3 years ago
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