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Anit [1.1K]
3 years ago
10

Show work. Trig for high school in grade 12

Mathematics
1 answer:
Marina CMI [18]3 years ago
4 0

Answer:

[{"insert":"The distance between the points (a, b) and (-a, b) is\n\n(a) 2 √a² +b²\n\n(b) √2a\n\n(c) 2a\n\n(d) 2|a|\n"}]

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The area of a blackboard is 1 1 third square yards. A poster’s area is 8 over 9 square yards. What is the unit rate of the black
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Step-by-step explanation:

(1 ⅓ yd²) / (8/9 yd²)

(4/3 yd²) / (8/9 yd²)

(4/3) × (9/8)

3/2

1.5 / 1

7 0
4 years ago
Joel wants to buy a new tablet computer from a store having a 20% off sale on all tablets. The tablet he wants has an original c
gtnhenbr [62]

Answer:

190 *.80 *(1.05)

<em> Instead of adding the sales tax, he subtracted the sales tax. </em>

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Step-by-step explanation:

If Joel gets 20% off, he still has to pay (100-20) or 80%

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Then he has to pay 5% sales tax.

The tax is the prices times 5%   plus the original price

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or 190 *.80 *(1.05)

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The total he needs to pay is

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8 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points (-1,1) and (1,-15)​
Luda [366]

Answer:

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Step-by-step explanation:

To find the slope of the line, you have to use a slope formula.

<u>Slope formula:</u>

\Longrightarrow:\sf{\dfrac{y_2-y_1}{x_2-x_1} }

⇒ y2=(-15)

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⇒ x2=1

⇒ x1=(-1)

<u>Rewrite the whole problem down.</u>

\Longrightarrow: \sf{\dfrac{-15-1}{1-\left(-1\right)}=\dfrac{-16}{2}=\boxed{\sf{-8}}

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I hope this helps you! Let me know if my answer is wrong or not.

5 0
2 years ago
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Paul [167]

Answer:

0.156

Step-by-step explanation:

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5 0
3 years ago
Express your answer as a polynomial in standard form.
Anna35 [415]

Answer:

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Pic is above, cut off is a -10

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