3 years ago

Rewrite the expression by using grouping symbols. y • 4 + y • z

Mathematics

1 answer:

Ber [7]3 years ago

5 0

$y\cdot4+y\cdot z=y\cdot(4+z)\ \ \ \Rightarrow\ \ \ Ans.\ D$

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If g(x)=−3x+9 g ( x ) = − 3 x + 9 and f(x)=2x+7 f ( x ) = 2 x + 7 , what is the value of g(f(x)) g ( f ( x ) ) ?

olya-2409 [2.1K]

G(f(x)) = g(2x +7) = -3(2x +7) +9 = -6x -21 +9

g(f(x)) = -6x -12

5 0

3 years ago

Dorian buys 2 pounds of almonds for $21.98 and 3 pounds of dried apricots for $26.25. Which is less expensive per pound? how muc

Bogdan [553]

Apricots is 8.75 per pound and is less expensive than almonds per pound (10.99). To find how much less expensive you subtract apricots from almonds. 10.99-8.75= 2.24.

Please vote my answer brainliest. thanks!

7 0

3 years ago

Read 2 more answers

Write the expression without the fraction bar.

kirill115 [55]

For problems like this you can move the y's on the bottem up top by fliping the sign of the exponent (in this case 7 to -7) and MULTIPLYING it with EVERYTHING on top, then because of properties of multplication you can add the exponents to combine them into one term (in this case add 3 and -7 to get -4) $\frac{ y^{3} }{y^{7}}=y^3 *y^{-7} = y^{3+-7}=y^{3-7}=y^-4$ If any of this does not make sense let me know and ill try to clarify better