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2 years ago

F(x)=2log(-1/2x-1)+1

Mathematics

1 answer:

Annette [7]2 years ago

3 0

Answer:

i am sorry i dont now the answer but thx for the 14 point

love unkown name

Step-by-step explanation:

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How to set up the equation and solve for x and y variables

aleksklad [387]

y = mx + b

I mean, thats the formula? :/

8 0

3 years ago

Plz help!!

inysia [295]

<span>1. 5564÷91
I know that 9 * 6 = 56
5564 rounds to 5600
91 rounds to 9
Since 56/9 = 6, then 5600/90 is the same as 560/9 = 60
The estimate is 60

2. </span><span>5391÷25
5391 sounds to 5400
25 is 1/4 of 100.
That means when you divide by 25, you can divide by 100 and multiply by 4.
5400/100 = 54
54 * 4 = 216
Estimate: 216

3. </span><span>explain how to estimate 498÷12
48/12 = 4
498 is little more than 480, so 498/12 is little more than 40

4. </span><span>which is the closest estimate for 2130÷ 33
A.7 B.17 C.70 D.700

2130/33
Round off the numerator and denominator to
2100/30
Reduce the fraction
210/3
Since I know that 21/3 = 7, then 210/3 = 70
Estimate: 70
</span>

8 0

3 years ago

A bank teller has some stacks of bills. The total value of the bills in each stack

Natali [406]

So since only 20 dollar bills and the other one is a 50
then

so we find some combos that will work
five 20's make 100
we notice that we can only have 20's in multipules of 5 to make 100's becauause 4 20's makes 80 and 3 20's make 60 and 2 20's make40 and none of those add to 50 evenly to make 100's
(probably confusing but I hope you understand if you think about it)

so we have
5 20's =100
10 20's=200
15 20's=300
20
25
30
35
40
45 20's=900
50 20's=1000

so how many multiplules did we have?
10
but wait, if we havve 1000 in all 20's we still need at least one 50 so we subtract 100
900:9
answe ris 9 stacks

answer is 9 stacks or A

3 0

3 years ago

If a circle has a radius of 12 units what is its area?

Marysya12 [62]

To solve this problem, we will visit the area of a circle formula and supply known values, such as the radius, to answer the question.

<h3>Define</h3>

To find the area of a circle given its radius, use the formula:

$A = \pi r ^2$

where $r$ is the radius of the circle and A is the area.

<h3>Substitute</h3>

Substitute the known value for the radius in the formula.

$A = \pi(12)^2$

<h3>Simplify</h3>

To simplify, use BPEMDAS, which evaluates in the proper Order of Operations:

Brackets

Parentheses

Exponents

Multiplication

Division

Addition

Subtraction

Use BPEMDAS:

$A=\pi(144)$

Simplify by rearranging the coefficient in front of the variable:

$A=144\pi$

As this is an area, our final result must be squared:

$A=144\pi \text{ square units}$

The final answer to this problem is $A=144\pi$ square units. The answer can also be represented in a non-exact (approximate) format, which is solved below.

<h3>Approximate Format</h3>

To get the non-exact format of this answer, instead of leaving $\pi$ in the final answer, multiply it by the leading coefficient.