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SVETLANKA909090 [29]
1 year ago
10

JUUL Practice & Problem Solving 7.4.PS-10 Question Help Find the area of the polygon in square units. 4 2 e - 8 -6 - 4 - 2 4

2 -2 4 6 8- The area is square units. Enter your answer in the answer box and then click Check Answer. All parts showing Clear All Final Check Review progress Question 4 of 10 Back Next →
Mathematics
1 answer:
V125BC [204]1 year ago
7 0

area formula is

A=\frac{1}{2}(b1+b2)h

where:

b1 = small base

b2 = large base

h = height

then solve:

A=\frac{1}{2}(2+6)3=\frac{1}{2}(8)3=\frac{24}{2}=12

asnwer: 12 square units

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mr Goodwill [35]

Answer: B.792

Step-by-step explanation:

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2 years ago
Given b(x) = [X+41, what is b(-10)?<br> – 10<br> -6<br> 6<br> 14
OLEGan [10]

Option C: 6 is the value of b(-10)

Explanation:

The given expression is b(x)=|x+4|

We need to determine the value of b(-10)

To find the value of b(-10), let us substitute x=-10 in the given expression.

Thus, substituting x=-10 in the expression, we have,

b(-10)=|-10+4|

Adding the terms, we get,

b(-10)=|-6|

Since, we know the absolute rule that |-a|=a and the simplified expression is of the form |-a| , let us apply the absolute rule in the simplified expression.

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b(-10)=6

Thus, the value of b(-10) is 6.

Hence, Option C is the correct answer.

3 0
3 years ago
If a person takes a prescribed dose of 10 milligrams of Valium, the amount of Valium in that person's bloodstream at any time ca
aleksandr82 [10.1K]

Answer:

(a)8.0mg

(b)36.87 hours

(c)-0.168

Step-by-step explanation:

The amount of Valium in that person's bloodstream at any time can be modeled with the exponential decay function A ( t ) = 10 e^{ -0.0188 t (t in hours)

(a)After 12 Hours

A ( 12) = 10 e^{ -0.0188*12}\\=7.98\\\approx 8.0 mg $(to the nearest tenth of a milligram)

(b)If A(t)=5mg

Then:

5= 10 e^{ -0.0188 t}\\$Divide both sides by 10\\0.5=e^{ -0.0188 t}\\$Take the natural logarithm of both sides\\ln (0.5)=-0.0188 t\\t=ln (0.5) \div (-0.0188)\\$t=36.87 hours (to two decimal places.)

(c)

A ( t ) = 10 e^{ -0.0188 t}\\A'(t)=10(-0.0188)e^{ -0.0188 t}\\A'(t)=-0.188e^{ -0.0188 t}\\$At 6 hours, the rate at which the amount of Valium is decaying therefore is:\\A'(6)=-0.188e^{ -0.0188*6}\\$=-0.168 ( to three decimal places)

3 0
2 years ago
Is the fraction 6 1/2 equal to 73?
MArishka [77]

Answer:

No 6 1/2 is 6.5, which is not 73

Step-by-step explanation:

5 0
2 years ago
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mr Goodwill [35]

Answer:

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(Is this answer helpful :-)

3 0
2 years ago
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