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Anastasy [175]
3 years ago
14

Write the phrase as an algebraic expression. A number plus six and three tenths. PLEASE HEEELP

Mathematics
2 answers:
MrRa [10]3 years ago
3 0

Answer:

n + 6(3/10)

Step-by-step explanation:

6(3/10) is written as a mixed number

Rzqust [24]3 years ago
3 0

Answer:

x+6.3

Step-by-step explanation:

x+6.3

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The side of the base of a square prism is decreasing at a rate of 7 kilometers per minute and the height of the prism is increas
Ber [7]

Answer:

dV = - 5.73*10⁹ m³/s

Step-by-step explanation:

Question: What is the rate of change of the volume of the prism at that instant (in cubic meters per second) ?

A function can be dependent on one or more variables. The change in the function due to a change in one o its variables is given by the functions derivative with respect to that variable. For functions that are composed of products of its variables, we may use the product rule to determine its derivative.

The volume of a square prism with base a and height h is given by

V = a²h

When the base and height are changing, we have

dV = 2ah(da/dt) +  a²(dh/dt)

Given

a = 4 Km

h = 9 Km

da/dt = - 7 Km/min

dh/dt = 10 Km/min

we have

dV = 2(4 Km)(9 Km)(- 7 Km/min) +  (4 Km)²(10 Km/min)

⇒   dV = - 504 Km³/min + 160 Km³/min = - 344 Km³/min

⇒   dV = - 5.73*10⁹ m³/s

8 0
3 years ago
X + y = 6<br> 2x + y = 4<br> Solve the system of equations.
Debora [2.8K]
(X,Y) = (-2,8) this the answer
8 0
3 years ago
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An angle of measure 120 degrees intersects the unit circle at point (-1/2,√3/2) What is the exact value of cos(120)
notka56 [123]

The exact value of cos120 if the measure 120 degrees intersects the unit circle at point (-1/2,√3/2) is 0.5

<h3>Solving trigonometry identity</h3>

If an angle of measure 120 degrees intersects the unit circle at point (-1/2,√3/2), the measure of cos(120) can be expressed as;

Cos120 = cos(90 + 30)

Using the cosine rule of addition

cos(90 + 30) = cos90cos30 - sin90sin30

cos(90 + 30) = 0(√3/2) - 1(0.5)

cos(90 + 30) = 0 - 0.5

cos(90 + 30) = 0.5

Hence the exact value of cos120 if the measure 120 degrees intersects the unit circle at point (-1/2,√3/2) is 0.5

Learn more on unit circle here: brainly.com/question/23989157

#SPJ1

7 0
2 years ago
Is this answer correct
Kobotan [32]
Yes, that looks right.
6 0
3 years ago
Heyyyyyyyyyyyy helpppp
makvit [3.9K]

Answer:

its b

Step-by-step explanation:

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3 years ago
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