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Digiron [165]
2 years ago
13

9X (5 + 3) = + (9 X 3)

Mathematics
1 answer:
Korolek [52]2 years ago
4 0

Answer:

x= 3/8

Step-by-step explanation:

In pic

(hope this helps can I pls have brainlist (crown) ☺️)

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store one is selling three notebooks for $5.13 store to is selling 5 notebooks for $8.40 store 3 7/8 notebooks for $14 in which
sdas [7]

Answer:

store 2

Step-by-step explanation:

This is because store one sells notebook for 5.13. Store 2 sells one notebook for 1.68, and the last stores sells one notebook for 2 or 1.75. Meaning that store 2 sells it for cheap.

5 0
3 years ago
There was no snow on the ground when it started falling at midnight at a constant rate of 1.5 inches per hour. At
kumpel [21]

Answer:

The required piece-wise linear function is

\left\{\begin{matrix}1.5x & 0\leq x

Step-by-step explanation:

Consider the provided information.

Let x represents the number of hours and S(x) represents the depth of snow.

There was no snow on the ground when it started falling at midnight at a constant rate of 1.5 inches per.

That means the depth of snow will be:

S(x)=1.5x\ \ \ 0\leq x< 4

At  4:00 a.m., it starting falling at a constant rate of 3 inches per hour,

From mid night to 4:00 a.m the depth of snow will be 1.5×4=6 inches.

If we want to calculate the total depth of snow from midnight to 7:00 am we need to add 6 inches in 3(x-4) where 4≤x<7

Therefore,

S(x)=3(x-4)+6\ \ \ 4\leq x

7:00 a.m. to 9:00 a.m., snow was  falling at a constant rate of 2 inches per hour.

From mid night to 7:00 a.m the depth of snow will be 3(7-4)+6=15 inches.

If we want to calculate the total depth of snow from midnight to 9:00 am we need to add 15 inches in 2(x-7) where 7≤x≤9

S(x)=2(x-7)+15\ \ \ 7\leq x\leq 9

Therefore, the required piece-wise linear function is

\left\{\begin{matrix}1.5x & 0\leq x

8 0
3 years ago
Look at this expression
vladimir2022 [97]

Answer:

OD22264 is the correct answer for that

4 0
3 years ago
Simplify. 9x^8-18x^6
GrogVix [38]
You cannot simplify this but you can factorise it:

9x^6 (x^2 - 2)
7 0
3 years ago
Solve using elimination -3x+3y=21 -x-5y=-17
Alenkasestr [34]

Answer:

(2,6)

Step-by-step explanation:

Google

8 0
3 years ago
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