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svetoff [14.1K]
3 years ago
5

How many parts are needed to prove triangles are similar?

Mathematics
1 answer:
Alex73 [517]3 years ago
6 0
If you have two sides, you only need two. Otherwise it’s 3 parts
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Which of the following trigonometric expressions is equivalent to csc(-112°)? csc(68°)
Romashka-Z-Leto [24]

Answer:

csc(-112°)=-csc(68°)

Step-by-step explanation:

Since cosec(x) and sin(x) are reciprocals of each other,

cosec(-112°)=\frac{1}{sin(-112^{\circ})}

                  =\frac{1}{-sin(112^{\circ})}

                 =\frac{1}{-sin(180^{\circ}-68^{\circ})}     (since 112=180-68)

                 =\frac{1}{-sin(68^{\circ})}              (since sin(180-x)=sinx)

                 =\frac{-1}{sin(68^{\circ})}               (since \frac{a}{-b}= \frac{-a}{b})

                 =-cosec(68°)

4 0
3 years ago
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What is the answer?? Only if you know please i will report
cupoosta [38]

Answer:

I'll be back

Step-by-step explanation:

I'm gonna go get pen and paper to work this out for you

Don't report, I'll say the answer in the comments

8 0
3 years ago
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Ticket costs £63 plus a booking fee of 3%. <br> What is the total price of the ticket ?
Arte-miy333 [17]
The answer is £64.89.

Step by Step:

Take the original price multiplied by 0.03 ( the percent of a booking fee ) and add those amounts together.

Equation: 63 + 1.89 = 64.89
5 0
3 years ago
In one basketball season, Susan threw the ball and it went in the basket 56 times. If 7/8 of the baskets Susan threw were worth
Ket [755]

Answer:

119

Step-by-step explanation:

Divide the number of baskets (56) by the denominator:

56 ÷ 8 = 7

Multiply by 7 to get the amount of 2 point baskets and multiply by 1 to get the amount of 3 point baskets. (they both add up to 56 baskets)

7 × 7 = 49

7 × 1 = 7

multiply the 49, 2 point baskets by 2 and the 7, 3 point baskets by 3 and add them together to get the total points.

49 × 2 = 98

7 × 3 = 21

98 + 21 = 119

6 0
3 years ago
a bathtub in the shape of a rectangular prism is 5 feet long, 3 1/2 feet wide, and 4 1/4 feet high. How much water could the tub
kondaur [170]
The tub could hold 74 and 3/8
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3 years ago
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