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Zina [86]
3 years ago
15

Help please simplify: 4(3b)

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
8 0

Answer: 12b

Step-by-step explanation: you multiply 4 by 3 but keep the b

Reil [10]3 years ago
4 0

Answer:

C ---> 12b

Step-by-step explanation:

First you would distribute the 4 to the 3b which will give you 12b.

4(3b)

4*3=12

12b

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The Carter family now? just bought 3 crates of eggs, and each crate had 18 eggs. The family already had 7 eggs in their refriger
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61

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you have to do 3 x 18 which is 54 then you have to add 7 which is 61

3 0
3 years ago
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A2. Find y' and y" for y^2 = x^2<br>+ sinxy
kumpel [21]

Answer:

y'   = (2x + y cosxy)/(2y + x cosxy)

Step-by-step explanation:

Using implicit differentiation:

y^2 = x^2 + sin xy

2y y' = 2x + cos xy  * (xy' + y)

2y y' = 2x + xy' cos xy + y cos xy

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Need help <br><br> Explain how you would find 32% of 25? Please provide your answer.
stellarik [79]

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Step-by-step explanation:

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Find the area of each shaded sector. Round to the hundredths place.
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3 years ago
xand y are light house. y being 20km due east of x and from a ship due south of x the bearing of y was 055°. what is the distanc
leonid [27]

Answer:

I) |xz| ≈ 28.6 km

II) |yz| ≈ 34.8 km

Step-by-step explanation:

Let's assume that the position of ship due south of x is z (aà pictor representation of the question is attached)

|xy| = 20 km, |xz| = ?, |yz| = ?, θ(y) = 55°

Using Trigonometric ratio - SOHCAHTOA

I) Tan θ = |xz| ÷ |xy| ⇒ Tan 55° = |xz| ÷ 20

|xz| = 20 * Tan 55 = 20 * 1.428

|xz| = 28.56 km

|xz| ≈ <u>28.6 km</u>

<u />

II) Cos θ = |xy| ÷ |yz| ⇒ Cos 55° = 20 ÷ |yz|

|yz| * Cos 55° = 20 ⇒ |yz| = 20 ÷ Cos 55°

|yz| = 20 ÷ 0.574 = 34.84 km

|yz| ≈ <u>34.8 km</u>

4 0
3 years ago
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