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White raven [17]
3 years ago
6

I need help please.

Mathematics
1 answer:
alexdok [17]3 years ago
7 0

Answer:

36x

Step-by-step explanation:

18x / 19 = ? / 57

(18x * 3) / (19 * 3) = ? / 57

You multiply by 3 in both the numerator and the denominator.

36x / 57 = ? / 57

After you multiply, your answer equals 36x.

? = 36x

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Jayden has $100 and saves $25 per week. Liv has $180 and spends $15 per week. How many weeks until they have the same amount of
Karolina [17]

Answer:

Both of them will have the amount of money after 2 weeks and both of them have \$\: 150.

Step-by-step explanation:

Jayden has $100 and saves $25 per week.

Liv has $180 and spends $15 per week.

Let both of them have the same amount of money after x weeks.

According to the question,

\Rightarrow 100+25x=180-15x

\Rightarrow 25x+15x=180-100

\Rightarrow 40x=80

\Rightarrow x=\frac{80}{40}

\Rightarrow x=2

So, both of them will have the amount of money after 2 weeks.

After 2 weeks, Jason will have 100+25\times 2=100+50=150 dollars.

Hence, both of them will have the amount of money after 2 weeks and both of them have \$\: 150.

6 0
3 years ago
I need help please!!! thank you so much to the person who is going to help me.
Verizon [17]

Answer:

5x - 3

Step-by-step explanation:

Subtract the numbers

(2x+5) + (3x-8)  ---->  2x-3 +3x

Combine like terms

2x-3 + 3x ----> 5x - 3

Answer

5x - 3

done! :)

5 0
2 years ago
Read 2 more answers
Factorise 343m^3 + 27n^3​
Oksanka [162]

answer:m3+27n3

Step-by-step explanation:

Rewrite

27

n

3

as

(

3

n

)

3

.

m

3

+

(

3

n

)

3

Since both terms are perfect cubes, factor using the sum of cubes formula,

a

3

+

b

3

=

(

a

+

b

)

(

a

2

−

a

b

+

b

2

)

where

a

=

m

and

b

=

3

n

.

4 0
3 years ago
Read 2 more answers
the frankiln middle school jazz band plans to have a car wash to raise $468.75 for a new sound system. in the past, they washed
svetlana [45]

Answer:

$3.75

Step-by-step explanation:

468.75/125=$3.75 per car wash

8 0
3 years ago
If -5x*7=1 , then x=
7nadin3 [17]

Answer:

-1/35 = -.0286

Step-by-step explanation:

-5x * 7 = 1

-35x = 1

<u>x = -1/35</u>

5 0
3 years ago
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