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3 years ago

Help Help Help I Need a,b,c

Mathematics

2 answers:

Rzqust [24]3 years ago

8 0

A) all three

B) 2

C) cello, flute, djembe, bass, ziether, guitar, piano, ukulele, lute

HOPE THIS HELPS!!!!1

marta [7]3 years ago

4 0

For 1) the tuba is taught on Tuesday, Wednesday, and Friday.
For 2) There are 2 instruments taught only on Tuesdays
For 3) Cello, Flute, Piano, Ukulele, Violin, and Lute

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What type of reaction is shown below? Check all that apply. 2Na + Cl2 → 2NaCl synthesis decomposition combustion

const2013 [10]

Answer: This is a type of Synthesis reaction.

Explanation:

Synthesis reaction is a type of chemical reaction in which two or more substances combine to form a single substance.

$A+B\rightarrow AB$

Decomposition reactions are a type of chemical reactions in which a substance breaks down into two or more substances.

$AB\rightarrow A+B$

Combustion reaction is a type of chemical reaction in which a hydrocarbon reacts with oxygen gas to produce carbon dioxide and water.

$Hydrocarbon+O_2\rightarrow H_2O+CO_2$

For the given reaction:

$2Na(s)+Cl_2(g)\rightarrow 2NaCl$

Here, 2 substances are combining together to form a single substance. Hence, it is considered as a synthesis reaction.

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3 years ago

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Jim ordered a sports drink and three slices of pizza for $8.50. His friend ordered two sports drinks and two slices of pizza for

kramer

Answer:

total is 16.50

Step-by-step explanation:

add 8.50+8.00

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3 years ago

Write -3i + (3/4+2i) - (9/3+3i) as a complex number in standard form

bogdanovich [222]

Answer:

= -3i + (3/4+2i) - (9/3+3i)

= (3/4 - 9/3) + (-3 + 2 -3)i

= -9/4 -4i

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3 years ago

I need help if you can help me plz I would really appreciate it ?

Greeley [361]

Y=-3x+8 by using slope intercept form

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2 years ago

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Find the greatest common factor of 30 and 75.

yarga [219]

Answer:

Step-by-step explanation:

prime factorization of 30 is 2*3*5

prime factorization of 75 is 3*5*5

3*5 is common

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