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Yuliya22 [10]
3 years ago
5

11 x r = 1 2/9 is what

Mathematics
1 answer:
Mazyrski [523]3 years ago
4 0

Answer:

r = 0.11

Step-by-step explanation:

11r = 1 2/9          Divide both sides by 11

r = 0.11

If this answer is correct, please make me Brainliest!

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The manager of a money-market fund has invested $4.2 million in certificates of deposit that pay interest at the rate of 5.4% pe
Gnom [1K]

Answer:

549192.188 $

Step-by-step explanation:

Compounded interest is calculated each year based on the starting amount of that year.

To calculate compounded interest the following formula is used

A = P[1 + (\frac{r}{t})]^n^t

where

A = Amount at the end of the year

P = 4,200,000    (Principal amount at the start)

r = 0.054     (rate of interest, i.e. 5.4%)

n = 4       (compounding frequency in an year, i.e. quarterly)

t = 5        (number of years)

The solution will thus be

A = 4200000[1+\frac{0.054}{4}]^2^0

A = 549192.188

5 0
3 years ago
Write the equation in standard form of a circle with center (-7,2), tangent to the y-axis.
DerKrebs [107]

Answer:

(x+7)^{2}+ (y-2)^{2}=49

Step-by-step explanation:

It is given that circle is a tangent to y axis, which tells us that the distance between the centre point and y axis is the radius of the triangle.

Formula for equation of circle with centre (x1,y1) and radius r is

(x-x1)^{2}+ (y-y1)^{2}=r^{2}

In the given case distance between the centre and y axis is 7 units so radius would be 7 and the centre point is (-7,2),

the equation of circle is ,

(x+7)^{2}+ (y-2)^{2}=7^{2}

(x+7)^{2}+ (y-2)^{2}=49

Hence the abow equation is the circle equation.

6 0
3 years ago
For a standard normal distribution, find:P(Z < 1.73)Express the probability a as a decimal rounded to 4 decimal places.
Katyanochek1 [597]

Using tables we get that:

P(z

Answer: 0.9582.

3 0
2 years ago
Tom has a 10 gallon fish tank that he wants to fill with neon tetra
skelet666 [1.2K]

The equation representing the minimum and maximum number of fishes which would fit into the tank is : 5 ≤ x ≤ 9

From the table given ;

  • Method 2 will allow the maximum number of fish = 9
  • Method 1 will allow the minimum number of fish = 5

To represent the maximum and minimum number of fish that will fit into the tank;

We could use an inequality expression to represent these range :

Let x represent the Number of fishes that would fit into the tank :

  • Minimum ≤ x ≤ maximum

Therefore, the equation can be written thus :

  • 5 ≤ x ≤ 9

Learn more : brainly.com/question/24566347

4 0
3 years ago
6x + 4x- 1 = 2(5x + 4)
poizon [28]

Answer:

not equal

Step-by-step explanation:

first multiply 2 by 5x and by positive 4

2(5x+4)---->10x+8

10x +8 does not equal 6x +4x-1

4 0
3 years ago
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