3 years ago

Very simple math problem (in picture

Mathematics

1 answer:

SIZIF [17.4K]3 years ago

3 0

The person above me is right

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Functions Question (image attached)

zzz [600]

Answer:

$x {}^{2} \times + 4x$

Step-by-step explanation:

$f(x + 4) = (x + 4) {}^{2} - 3(x + 4) - 4 \\ = x {}^{2} + 8x + 16 - 3x - 12 - 4 \\ = x {}^{2} + 4x$

5 0

3 years ago

5×2×y×y×y write the expression using exponents

gayaneshka [121]

Answer:

10y³

Step-by-step explanation:

y appears 3 times.

Which means y is multiplied by itself 3 times.

Then, simplify 5 x 2, which is 10, then put y3 after 10.

5 0

3 years ago

Read 2 more answers

The decimal equivalent of 9/4 is a repeating decimal true or

Lady bird [3.3K]

Answer:

False

Step-by-step explanation:

The answer for 9/4 is 2.25

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3 years ago

Identify a possible first step using the elimination method to solve the system and then find the solution to the system.

scoundrel [369]

$\bf \begin{array}{lcrrrrr} 2x-5y=11&\stackrel{\stackrel{\textit{\large first step}}{\downarrow }}{\times -3}\implies &-6x&+&15y&=&-33\\ 3x+2y=7&\times 2\implies &6x&+&4y&=&14\\\cline{3-7} &&0&+&19y&=&-19 \end{array} \\\\\\ y = \cfrac{-19}{19}\implies \boxed{y=-1} \\\\\\ \stackrel{\textit{substituting on the 1st equation}}{2x-5(-1)=11\implies 2x+5=11}\implies 2x=6\implies x = \cfrac{6}{2}\implies \boxed{x = 3} \\\\[-0.35em] ~\dotfill\\\\ ~\hfill (3~~,~~-1)~\hfill$

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3 years ago

Write an expression to represent . Eight less than the product of two and a number x

kvv77 [185]

The answer is 2x-8 where “the product of two and a number” is the 2x and 8 less is to subtract 8 from the 2x so your answer is 2x-8

5 0

3 years ago