3 years ago

Please help on number 3.

Mathematics

1 answer:

castortr0y [4]3 years ago

6 0

Plug in 50 for x on the equation for the trend line

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Solve linear equations -4(b+3)-12=2b-16+5b

daser333 [38]

Answer:

$Exact form:b=-\frac{8}{11}\\Decimal form: b=-0.72727272727272727272$

Step-by-step explanation:

$-4(b+3)-12=2b-16+5b$

$-4b-12-12=2b+5b$

$-4b-24=7b-16$

$-4b=7b+8$

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3 years ago

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wariber [46]

Answer:

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Step-by-step explanation:

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3 years ago

Problem Solving Method

Tanya [424]

Answer:

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3 years ago

Can somebody please help me with these two questions?

vovikov84 [41]

The answer to 25. is A
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to 26. is C (I'm not sure on this one but i think this is the answer)

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3 years ago

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What is the value of the shown expression? 33 x 3-2 A) -54 B) -243 C) 243 D) 3

alex41 [277]

We have the following general rule for exponents:

$a^n\cdot a^m=a^{n+m}$

then, in this case we have the following:

$3^3\cdot3^{-2}=3^{3+(-2)}=3^{3-2}=3^1=3$

therefore, the answer is 3

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1 year ago