3 years ago

Find the value of y in 4y + 2x = 8 and 2x + 5y = 14. 8 - 6 6 -8

Mathematics

1 answer:

mina [271]3 years ago

6 0

The value of y is 6.

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*WILL GIVE BRAINLIEST TO WHOEVER HAS A DETAILED ANSWER*

mote1985 [20]

Y * 10 = z

y = dollars
z = dimes

4 dollars = 4y

Replace y with 4:
4* 10 = 40.

The total amount of dimes in 4 dollars is 40 dimes.

Hope this helped☺☺

6 0

3 years ago

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Write using exponential notation 9*9*4*4*4*4

kolezko [41]

9^2*4^4 is the correct answer I believe.

8 0

3 years ago

A block of wood has a mass of 120g and a volume of 200cm3. What is the density of the wood?

ozzi

Density=mass/volume
given mass=120g and volume=200cm3
density= $\frac{120g}{200cm^3}=\frac{3}{5} \space\ \frac{g}{cm^3}$ or abot 0.6

the density is $0.6 \space\ \frac{g}{cm^3}$

3 0

3 years ago

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Which of the following square root of -80

Marta_Voda [28]

You can factor -80 as

$-80 = (-1)\cdot 16 \cdot 5$