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2 years ago

12

This chart shows how much data Ryan used on his mobile phone. What was the mean amount he used over 5 months?

1 answer:

Anon25 [30]2 years ago

5 0

Answer:

shush

Step-by-step explanation:

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A picture measuring 2.5" high by 6" wide is to be enlarged so that the width is now 18 inches. How tall will the picture be?

viktelen [127]

We have that
the picture original is 2.5 in x 6 in
high=2.5 in
wide=6 in

the picture <span>enlarged is
</span>high=2.5*x
wide=6*x-----> 6*x=18--------> x=18/6----------> x=3
x is the factor scale
so
high=2.5*x-----> 2.5*3----> 7.5 in

the answer is
7.5 in

8 0

2 years ago

What is 528−−√+63−−√528+63 in simplest radical form?

Montano1993 [528]

Answer: $13\sqrt{7}$

Step-by-step explanation:

In the simple radical form there are no square root is remain to find.

Since, the given expression,

$5\sqrt{28} + \sqrt{63}$

$5\sqrt{4\times 7} + \sqrt{9\times 7}$

$5\sqrt{4} \times \sqrt{7} + \sqrt{9}\times \sqrt{7}$

$5\times 2 \times \sqrt{7} + 3\times \sqrt{7}$

$10 \sqrt{7} + 3\sqrt{7}$

$(10 + 3)\sqrt{7}$

$13\sqrt{7}$

Since, we do not need to find further square root of 7.

Thus, the required radical form of $5\sqrt{28} + \sqrt{63}$ is $13\sqrt{7}$ .

6 0

2 years ago

Read 2 more answers

Charles and Cynthia are purchasing a house. They obtained a 30-year, $535,000 mortgage at an annual interest rate of 3.6% compou

MA_775_DIABLO [31]

Answer:$4,369.17

Step-by-step explanation:

Compound interest (A)= P(1 + r/n)^not

A = compound interest

P = principal

r = rate

n = number of times the interest is compounded in a year

t = Time

From our data,

R = 3.6%

T =30 years

P = $535000

n= 12

A = 535000(1 + 0.036/12)^12*30

A= 535000*2.94

A= $1,572,900

In 30 years, we have (30*12) number of months = 360 months

To get the amount paid monthly, we divide the compound interest by the total number of months they'll repay the loan

Monthly payment = $1,572900/360 = $4,369.17

8 0

2 years ago

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A salesman normally makes a sale (closes) on % of his presentations. Assuming the presentations are independent, find the pro

Tamiku [17]

Answer:

$(a)\ 0.0864$

$(b)\ 0.096$

$(c)\ 0.24$

$(d)\ 0.936$

Step-by-step explanation:

Given

$p \to$ close

$q \to$ fail to close

$p = 60\%$

$p = 0.60$

First, calculate the value of q

Using complement rule

$q = 1 - p$

$q = 1 - 0.60$

$q = 0.40$

So, we have:

$p = 0.60$ and $q = 0.40$

Solving (a): Fails to close on the 4th attempt

This means that he closes the first three attempts. The event is represented as: p p p q

So, we have:

$Pr = p*p*p*q$

$Pr = p^3*q$

$Pr = 0.60^3*0.40$

$Pr = 0.0864$

Solving (b): He closes for the first time on the 3rd attempt

This means that he fails to close the first two attempts. The event is represented as: q q p

So, we have:

$Pr = q * q * p$

$Pr = q^2 * p$

$Pr = 0.40^2 * 0.60$

$Pr = 0.096$

Solving (c): First he closes is his 2nd attempt

This means that he fails to close the first. The event is represented as: q p

So, we have:

$Pr = q * p$

$Pr = 0.40 * 0.60$

$Pr = 0.24$

Solving (d): The first he close is one of his 3 attempts

To do this, we make use of complement rule

The event that he does not close any of his first three attempts is: q q q

The probability is:

$Pr = q*q*q$

$Pr = q^3$

The opposite is that the first he closes is one of the first three

So, we have:

$Pr' = 1- Pr$ --- complement rule

$Pr' = 1- q^3$

$Pr' = 1- 0.40^3$

$Pr' = 1- 0.064$

$Pr' = 0.936$

4 0

2 years ago

A 100-square grid has 70 shaded squares. Explain how you could express this model as a fraction, percent, and decimal.

slava [35]

The fraction of squares shaded to total squares is 70/100 or 7/10
With a percent, 70% of all of the squares are shaded
With a decimal, there are 0.7 shaded blocks for every total block, so it is 0.7
Hope this helps!

6 0

2 years ago

Read 2 more answers