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harina [27]
3 years ago
8

Rational Expressions 5n/15 + 7n/15

Mathematics
1 answer:
liq [111]3 years ago
4 0
8/n17 to the power of 6 and also this is not a correct answer i just hate having to answer questions...
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Find the mean of the integers -45 -20 -35 -25 -40
maxonik [38]

Answer:

-33

The mean of the data set -45, -20, -35, -25, and -40 is -33.

Hope it helps.

8 0
2 years ago
Measure the size of the angle between the 9cm and 6cm triangular sides to the nearest degree
Irina-Kira [14]

Answer:

This is a protractor question if you dont have one then try these on a calculator.

when angle is between two lines we need see where the hypotenuse is in the diagram and where is the adjacent.

And whether the triangle is right angle or not.

Try these

shift sin -1  x sin 9/6 (for opp/hyp)

shift sin -1  (9/6)   (for opp/hyp)

shift sin -1 x sin 6/9 (for opp/hyp)

shift sin -1 (6/9) (for opp/hyp)

shift cos -1 x cos 9/6 (for adj/hyp)

shift cos -1 (9/6) (for adj/hyp)

shift cos -1 x cos (6/9) (for adj/hyp)

shift cos -1 (6/9) (for adj/hyp)

shift tan -1 x tan (9/6) ( for opp/adj)

and so on....

Step-by-step explanation:

4 0
2 years ago
Find the dot product between the vectors u and v: u=2i+3j and v=-6i-5j
vitfil [10]

\bf \stackrel{\textit{dot product}}{\cdot }\implies (a\cdot c)+(b\cdot d) \\\\[-0.35em] ~\dotfill\\\\ \begin{cases} u=&2i+3j\\ v=&-6i-5j \end{cases}\implies \begin{cases} \\  \end{cases} \\\\\\ \cdot \implies (2\cdot -6)+(3\cdot -5)\implies -27

4 0
3 years ago
2(4+x)+2(3x) is at least 96
svetlana [45]

Answer:

x≥11

Step-by-step explanation:

2(4+x)+2(3x) ≥96

as at least means either greater than or equal to

now simplify as 2 multiplies 4+x

8+2x+6x ≥96

8+8x≥96take 8 on other side

8x≥96-8

8x≥88

x≥88/8

x≥11

6 0
2 years ago
Polly's veterinarian told her a dog that weighs w kilograms needs 30w+70 calories each day to stay healthy. Polly's dog, Otis, w
Crank
Since w is 22, you substitute w with 22. 30(22) + 70 equals 730 calories
7 0
3 years ago
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