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vredina [299]
3 years ago
11

-1/-2*9*3/7what is -1 / -2 * 9 * 3/7

Mathematics
2 answers:
Veseljchak [2.6K]3 years ago
7 0
27/14 or 1 13/14 or 1.928557143 either one is correct there just all simplified forms
KonstantinChe [14]3 years ago
4 0

-1/-2×9/1=9/2×3/7 9/2×3/7=27/14  I get 27/14

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25 points help me pls
antoniya [11.8K]

Answer:

The first one is x=-y-2z-7

The second one is x=-1/3y + 1/3z + -4/3

The third one is x= 3y + 2z + 17

7 0
2 years ago
Lacey can type 105 words in 3 minutes. At this rate, how many words can she type in 26 minutes
vesna_86 [32]
She can type 910 words in 26 minutes .
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3 years ago
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Help me solve this question please for 10 points
ankoles [38]

Answer: D for the first one and B for the second

Step-by-step explanation:

3 0
2 years ago
What is the fourth term in the binomial expansion (a+b)^6)
Dafna11 [192]

Answer:

20a^3b^3

Step-by-step explanation:

<u>Binomial Series</u>

(a+b)^n=a^n+\dfrac{n!}{1!(n-1)!}a^{n-1}b+\dfrac{n!}{2!(n-2)!}a^{n-2}b^2+...+\dfrac{n!}{r!(n-r)!}a^{n-r}b^r+...+b^n

<u>Factorial</u> is denoted by an exclamation mark "!" placed after the number. It means to multiply all whole numbers from the given number down to 1.

Example:  4! = 4 × 3 × 2 × 1

Therefore, the fourth term in the binomial expansion (a + b)⁶ is:

\implies \dfrac{n!}{3!(n-3)!}a^{n-3}b^3

\implies \dfrac{6!}{3!(6-3)!}a^{6-3}b^3

\implies \dfrac{6!}{3!3!}a^{3}b^3

\implies \left(\dfrac{6 \times 5 \times 4 \times \diagup\!\!\!\!3 \times \diagup\!\!\!\!2 \times \diagup\!\!\!\!1}{3 \times 2 \times 1 \times \diagup\!\!\!\!3 \times \diagup\!\!\!\!2 \times \diagup\!\!\!\!1}\right)a^{3}b^3

\implies \left(\dfrac{120}{6}\right)a^{3}b^3

\implies 20a^3b^3

7 0
2 years ago
Which shows a function that is decreasing<br>over its entire graph? Working on it now need ASAP ​
PtichkaEL [24]

One thing everyone always forgets is we don't usually see the <em>entire</em> graph.  Once out of the frame, these functions can do anything they want.

From what we can see, only the bottom right one is always decreasing.

Answer: bottom right

By the way, the top right graph (a vertical line) isn't a function.

7 0
3 years ago
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