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yanalaym [24]
3 years ago
7

Triangle ABC has sides measuring 18 centimeters, 16 centimeters, and 10 centimeters. Which could be the side lengths of a dilati

on of ABC?
Mathematics
1 answer:
Nookie1986 [14]3 years ago
7 0

Answer:

The sides could be 9, 8, and 5 cm respectively.

Step-by-step explanation:

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Select all the expressions which are equivalent to three times the sum of six and five.
Zinaida [17]

Answer:

A b c

Step-by-step explanation:

4 0
3 years ago
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Write y =-0.4x + 0.3 in standard form using integers
Novay_Z [31]
Using the formula, rewrite in standard form.
0.4x + y = 0.3
Hope this helps! :)
5 0
3 years ago
Roberta makes $9 an hour plus a 12.5% commission selling jewelry. How much does she
rjkz [21]

Answer:

404.5 dollars

Step-by-step explanation:

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4 0
2 years ago
I need answers asap... please
aleksandrvk [35]

Answer:

see explanation

Step-by-step explanation:

(4)

consider the left side

factor the numerator

cosx - cos³x = cosx(1 - cos²x)

\frac{cosx(1-cos^2x)}{sinx}[/tex = [tex]\frac{cosxsin^2x}{sinx}

cancel sinx on numerator/denominator

= cosxsinx =right side ⇒ verified

(5)

Consider the left side

expand the factors

(1 + cotΘ)² + (1 - cotΘ)²

= 1 + 2cotΘ + cot²Θ + 1 - 2cotΘ + cot²Θ

= 2 + 2cot²Θ

= 2(1 + cot²Θ) ← 1 + cot²Θ = cosec²Θ

= 2cosec²Θ = right side ⇒ verified

(6)

Consider the left side

the denominator simplifies to

cosxtanx = cosx × \frac{sinx}{cosx} = sinx

\frac{sin^2x(secx+cosecx)}{sinx}

= sinx( \frac{1}{cosx} + \frac{1}{sinx})

= \frac{sinx}{cosx} + \frac{sinx}{sinx}

= tanx + 1 = right side ⇒ verified











3 0
2 years ago
The spinner below is divided into 5 equal sections. What is the probability of landing on a red or green section?
Artyom0805 [142]

Fraction: 2/5

Percentage: 40%

Decimal: 0.4

6 0
3 years ago
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