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nadya68 [22]
2 years ago
11

PLZ HELP ME ILL MARK BRAINLEIST!!!!!!!!!!!!

Mathematics
2 answers:
FrozenT [24]2 years ago
8 0

Answer:

B. ∠1 and ∠8 are parallel

Step-by-step explanation:

identification from the image.

Nostrana [21]2 years ago
5 0

Answer:

B s the corect answer.

Step-by-step explanation:

it 1 and 5 similar and 5 and 8, so 1 and 8 shall be same same.

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i think 300$

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Find the equation of the line that passes through (5, -1) and<br> (-10, -10)
SashulF [63]

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y = 0.6x – 4  

or

y =   3/5x -4

Step-by-step explanation:

3 0
3 years ago
Simplify ¾(8w+28)-10+w please :)
Zigmanuir [339]

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7w+11

Step-by-step explanation:

GEMDAS

7 0
2 years ago
Katlyn made 4 dresses with 7 yards of fabric how many yards of fadric did she use 1 dress
Ludmilka [50]

To solve this equation with algebra

4/7 = 1/x

(4/7)x = (1/x)x

4x/7 = 1

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x = 1.75

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Hope this helps! <3

5 0
2 years ago
How many times longer is the wavelength of a sound wave with a frequency of 20 waves per second than the wavelength of a sound w
sergejj [24]

The sound wave with a <u>frequency of 20</u> waves/sec is 800 longer than the wavelength of a sound wave with a <u>frequency of 16,000</u> waves/sec

<h3>Calculating wavelength </h3>

From the question, we are to determine how many times longer is the first sound wave compared to the second sound water

Using the formula,

v = fλ

∴ λ = v/f

Where v is the velocity

f is the frequency

and λ is the wavelength

For the first wave

f = 20 waves/sec

Then,

λ₁ = v/20

For the second wave

f = 16,000 waves/sec

λ₂ = v/16000

Then,

The factor by which the first sound wave is longer than the second sound wave is

λ₁/ λ₂ = (v/20) ÷( v/16000)

= (v/20) × 16000/v)

= 16000/20

= 800

Hence, the sound wave with a <u>frequency of 20</u> waves/sec is 800 longer than the wavelength of a sound wave with a <u>frequency of 16,000</u> waves/sec

Learn more on Calculating wavelength here: brainly.com/question/16396485

#SPJ1

6 0
1 year ago
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