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MakcuM [25]
2 years ago
7

Someone pls help me on 3 and 4!!!!!! Mark you as

Mathematics
1 answer:
masya89 [10]2 years ago
3 0
3. Simplified Expression

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Can sb answer this correctly plz not a lot so plz do fast thank u
WINSTONCH [101]

Answer:

one

Step-by-step explanation:

4 0
2 years ago
Find the solution to the system by the substitution method. Check your answer.
polet [3.4K]

Answer:

#1 x=44+7y

#2

x =10  +    \frac{y}{5}

Step-by-step explanation:

used math.way hope this helps

6 0
3 years ago
Factorise and solve x^2 + 4x -21 = 0
Korvikt [17]

Answer:

(x + 7) (x - 3)

Step-by-step explanation:

Find 2 numbers that add to 4 and multiply to -21

(x + 7) (x - 3)

3 0
2 years ago
Read 2 more answers
HELP ME! THE LENGTH OF THE RECTANGLE.
dsp73
In order to do this, all you have to do is divide the area by the width
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2 years ago
The H.C.F. of 3150 and a number is 42. Which of the following can be the number?
Eduardwww [97]

2^{2} *3^{2} *5=4*9*5=4*45=180\\2^{2} *3^{2} *5^{2} =4*9*25=36*25=900\\2^{2} *3*7=4*3*7=4*21=84\\2^{2} *3^{2} *7=4*9*7=36*7=252\\

raspunsul, e, B, 900

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