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almond37 [142]
3 years ago
5

IMPORTANT GUYS please help

Mathematics
1 answer:
rusak2 [61]3 years ago
3 0

Answer:

x=3,y=7

Step-by-step explanation:

8x+3y=45

2x+3y=27

8x-2x=6x

45-27=18

<u>6</u><u>x</u><u>=</u><u>1</u><u>8</u>

6. 6

x=3

2x+3y=27

2(3)+3y=27

6+3y=27

3y=27-6

<u>3</u><u>y</u> = <u>2</u><u>1</u>

3. 3

y=7

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Step-by-step explanation:

4 0
1 year ago
Simply 8×4³+2×4⁴ giving you answer in the form of 4^b​
hram777 [196]

Answer:

4^5

Step-by-step explanation:

8×4³+2×4⁴

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5 0
2 years ago
The formulae for kinetic energy is E =-mv2.<br><br> Find the value of E when m= 900 and v=1.3,
RSB [31]

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Step-by-step explanation:

Isnt the formula for ΔKE = 0.5m*v^2???

Im not going to use that formula you gave me, its wrong.

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1.3^2 = 1.69

450 x 1.69 = 760.5 Jules

This is also the wrong subject btw

8 0
3 years ago
What is an equation of the line that passes through the points (-4, -1)(−4,−1) and (2, 8)(2,8)?
Nataliya [291]

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Step-by-step explanation:

4 0
3 years ago
Write 343 with an exponent by using 7 as the base
pochemuha
7^3 = 343

7×7=48
7×7×7=343
8 0
3 years ago
Read 2 more answers
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