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3 years ago

Which graph represents the arithmetic sequence 8 6 4 2 0

Mathematics

2 answers:

Nataliya [291]3 years ago

7 0

Linear, because the points (1,8) (2,6) (3,4) etc are decreasing at a constant rate of -2.

jeka943 years ago

6 0

So, we decrease by 2 each time
and we start at 8

y=-2x+10 is the equation

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Suppose that a person's peak blood alcohol level is 0.07 (grams per 100 mL) and that this level decreases by 40% each hour.

Natalija [7]

Answer:

Step-by-step explanation:

Considering a person peak blood is 0.07

It decrease by 4% every hour

a) Using exponential function

$f(x) = Ca^x$

where,

a = 1 + r

r = -0.40%

Here,

C = 0.07,

a = 1 - 0.04 = 0.06

$f(x)=0.07(0.6)^x$

<h3>Therefore, hourly decay factor is 0.6</h3>

Here the hourly decay factor is 0.6

$B(x)=ca^x\\\\0.07(0.6)^x$

c) Evaluate

$B(2)=0.07\times (0.6)^2\\\\0.07(0.36)\\\\= 0.0252g$

0.0252g or 100mL

<h3>Thus, after 2 hours the blood is 0.0252g or 100mL</h3>

3 0

3 years ago

Read 2 more answers

Distribution of Responses of 2,000 Residents to Two Library Funding Questions

Softa [21]

Answer:

25%

Step-by-step explanation:

16% answered "local government" to question 2.

9% answered "private donations" to question 2.

So the probability that a randomly selected response is either "local government" or "private donations" is 16% + 9% = 25%.

7 0

3 years ago

Suppose j varies jointly with g and v, and j=2 when g=4 and v=3. <br> Find j when g=8 and v=9.

vladimir2022 [97]

Answer:

$j=12$

Step-by-step explanation:

we know that

In a join variation, If j varies jointly with respect to g and v, the equation will be of the form $j = kgv$

where k is a constant

step 1

Find the value of k

we have

j=2,g=4,v=3

substitute and solve for k

$2 = k(4)(3)$

$2 = 12k$

$k=\frac{1}{6}$

The equation is equal to

$j=\frac{1}{6}gv$

step 2

Find the value of j when g=8,v=9

substitute the values in the equation and solve for j

$j=\frac{1}{6}(8)(9)$

$j=12$

3 0

3 years ago

What is 4.110 in word form

irga5000 [103]

Four and Eleven Hundredth

7 0

3 years ago

The perimeter of the picture frame is 38 inches. The width of the frame is 7 inches, what is the length?

o-na [289]

Answer:

12 inches

Step-by-step explanation:

So you know that the perimeter of a picture frame (a rectangle) is 2 widths plus 2 lengths.

Let x= lengths and w= widths

From the question we already know that w=7, so we can set up an equation that says:

2x + 2w = 38

2x + 2(7) = 38

2x+14 = 38

2x +14 -14 = 38-14

2x = 24

2x/2 = 24/2

x= 12

Since x= lengths =12

the length of the frame is 12 inches.

7 0

3 years ago