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Luda [366]
2 years ago
13

I need help someone help me​

Mathematics
2 answers:
alexandr402 [8]2 years ago
8 0

the answer is 42 pop tunes

Dennis_Churaev [7]2 years ago
5 0

Answer: 42 pop tunes

Step-by-step explanation:

35/5=7

6*7=42

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The sum of 3 times a number and 1 is 17 decreased by the number. What expression will be translated on the left side of the equa
Zepler [3.9K]

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=0

Step-by-step explanation:


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3 years ago
Please help find them <br>1 AB<br><br>2 BC​
spin [16.1K]

Answer:

AB ≈ 15.7 cm, BC ≈ 18.7 cm

Step-by-step explanation:

(1)

Using the Cosine rule in Δ ABD

AB² = 12.4² + 16.5² - (2 × 12.4 × 16.5 × cos64° )

       = 153.76 + 272.25 - (409.2 cos64° )

       = 426.01 - 179.38

       = 246.63 ( take the square root of both sides )

AB = \sqrt{246.63} ≈ 15.7 cm ( to 1 dec. place )

(2)

Calculate ∠ BCD in Δ BCD

∠ BCD = 180° - (53 +  95)° ← angle sum in triangle

∠ BCD = 180° - 148° = 32°

Using the Sine rule in Δ BCD

\frac{BC}{sin53} = \frac{BD}{sin32} = \frac{12.4}{sin32} ( cross- multiply )

BC × sin32° = 12.4 × sin53° ( divide both sides by sin32° )

BC = \frac{12.4sin53}{sin32} ≈ 18.7 cm ( to 1 dec. place )

         

6 0
2 years ago
Plsssssszsss awnser lol
Reptile [31]

Answer:

D

Step-by-step explanation:

-4.9 x 3^2 + 22 x 3 + 5.5 = 27.4

3 0
2 years ago
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Take deep breaths and focus, don't be afraid to ask for help.

Good luck!

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