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3 years ago

Solve the triangle. Round to the nearest tenth. 39° 16 84° B

Mathematics

1 answer:

lisabon 2012 [21]3 years ago

5 0

<h3>HERE'S YOUR ANSWER ↓</h3>

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· Eight times the difference of a number and 3 is 40.

defon

Answer:

The number is 8

Step-by-step explanation:

equation:

8*(x-3) = 40

8x - 24 = 40

8x = 64

x = 8

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

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2 years ago

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Pi High school ordered 40 science books. The next week, the school ordered 30 algebra books. The bill for the first order was $3

Darina [25.2K]

40s=360+30a
40s+30a=$3960

40s=360+30a
40s/40=360+30a/40
s = 9+3/4a

40(9+3/4a) +30a=$3960
360+30a+30a=$3960
360+60a=$3960
360-360+60a=$3960
60a=$3960
60a/60 = $3960/60
a= $60
The algebra book is $60

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2 years ago

Solve the system y=x²-2 and x²+y=4.Illustrate graphically.

lawyer [7]

Answer:

Solution: $(-\sqrt{3},1),(\sqrt{3},1)$

Step-by-step explanation:

System of equation:

$y=x^2-2\text{ and }x^2+y=4$

Using substitution method.

$y=x^2-2$ substitute into $x^2+y=4$

$x^2+x^2-2=4$ (combine like term)

$2x^2=4+2$ (Addition property of equality)

$2x^2=6$ (division property of equality)

$x^2=3$ (Taking square root)

$x=\pm \sqrt{3}$

Substitute x into $y=x^2-2$

$y=(\sqrt{3})^2-2$

$y=1$

Solution: $(-\sqrt{3},1),(\sqrt{3},1)$

Now cross check the solution using graph.

Please find attachment for graph.

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2 years ago

Which question is a statistics question that anticipates variability?

harina [27]

Answer:d) which brand of the ice-cream did the people prefers by the people shopping at the grocery store.

Step-by-step explanation:

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3 years ago

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Need help with 10 and 11

k0ka [10]

Answer:

10: A 11: B i think

Step-by-step explanation:

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2 years ago

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