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3 years ago

Help pleaseee just with the part circled

Mathematics

1 answer:

icang [17]3 years ago

7 0

Answer:

the top one is $12.

Step-by-step explanation:

simple: 48÷4=12 because 4×10=40.

4×2=8. 40+8=48 which is the amount of money it costs, so add the 2 factors that aren't 4 to get your answer. (division is similar to reverse multiplication)

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Factor the common factor out of the expression 8+20a+18a^2

ruslelena [56]

First let's rewrite it...

18a^2 + 20a + 8

Factor out a 2

2 (9a^2 + 10a + 4)

5 0

3 years ago

Determine whether the series is convergent or divergent. [infinity] n = 1 1 n√9 the series is a ---select--- p-series with p =

inna [77]

The series is a convergent p-series with p = 3

<h3>How to know it is a divergent or a convergent series</h3>

We would know that a series is a convergent p series when we have ∑ 1 np. Then you have to be able to tell if the series is a divergent p series or it is a convergent p series.

The way that you are able to tell this is if the terms of the series do not approach towards 0. Now when the value of p is greater than 1 then you would be able to tell that the series is a convergent series.

The value of $\sqrt{9}= 3$

The formular for this is

∑ $\frac{1}{n^p} \\$

where n = 1

we know it is convergent because p is greater than 1. 3>1

Read more on convergent series here:

brainly.com/question/337693

#SPJ1

6 0

1 year ago

9 11/12- 2 8/11 is a problem that i need help on

Vitek1552 [10]

Hey there!!

Okay here are the steps you can follow!

9 11/12 ----> improper fraction ----> 119/12
2 8/11 ----> improper fraction ----> 30/11

119/12 - 30/11
(119/12 - 30/11) * 132
11(119) - 12(30)
1309 - 360
<u>949</u>

3 0

3 years ago

Find the value of z.

nataly862011 [7]

Answer:

z = $\frac{50}{3}$

Step-by-step explanation:

The ratio of corresponding sides are equal, that is

$\frac{z}{10}$ = $\frac{20}{12}$ ( cross- multiply )

12z = 200 ( divide both sides by 12 )

z = $\frac{200}{12}$ = $\frac{50}{3}$

8 0

3 years ago

While driving from his home to his workplace, Chris has to pass through two traffic lights. The general probability of getting a

Margarita [4]

A and B are dependent events.
The general probabilities of each event to happen separately is 36% for event A and 25% for event B. When considering that Chris passes one before passing the other, indicates that whether he gets the first light open or not will affect if he gets the other one also open or not. This can even be seen by noticing how the probability of Chris getting both red lights is 9%, a much inferior probability then considering both lights separately which means that one event has influence over the other.

4 0

3 years ago

Help pleaseee just with the part circled ​

Help pleaseee just with the part circled