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Phantasy [73]
3 years ago
12

Plz help asap!!! Will give brainlest!!!

Mathematics
1 answer:
8090 [49]3 years ago
5 0

Answer:

$4

Step-by-step explanation:

Total expenditure is $55

Breakdown

2 books cost $10

4 books cost $25

Subtotal for 6 books is 10+25=$35

Remaining amount from total is 55-35=$20

If each book costs approximately $5 then for $20, each book is 20/5=$4

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Identify which of the following variables are discrete and which are continuous: a. Number of warts on a toad b. Survival time a
gulaghasi [49]

Answer:

1. Number of warts on a toad ⇒ <em>discrete  variable</em>

2. Survival time after poisoning ⇒ <em>continuous  variable</em>

3. Temperature of porridge ⇒ <em>continuous  variable</em>

4. Number of bread crumbs in 10 meters of trail ⇒ <em>discrete  variable</em>

5. Length of wolves’ canines ⇒ <em>continuous variable</em>

A discrete variable is the one which takes over range of real number, for a value in range that variables are permitted to take, there is minimum distance to nearest permissible value. In contrast, continuous variables are the one which can take infinitely many values.  

4 0
3 years ago
Camille had a very fun birthday party with lots of friends and family attending. The party lasted for 3 hours. She and her frien
Elena-2011 [213]

Camille spent 22 minutes and 30 seconds opening presents.

Since Camille had a very fun birthday party with lots of friends and family attending, and the party lasted for 3 hours, and she and her friends played games for 3/8 of the time, ate pizza and cake for 50% of the time , and spent the remainder of the time opening presents, to determine the amount of time spent opening presents the following calculation must be performed, posing the following linear equation:

Total time - time spent on other activities = time spent opening presents

  • 3 - (3 x 3/8) - (3 x 0.5) = X
  • 3 - 1.125 - 1.5 = X
  • 3 - 2.625 = X
  • 0.375 = X

  • 1 = 60
  • 0.375 = X
  • 0.375 x 60 = X
  • 22.5 = X

Therefore, Camille spent 22 minutes and 30 seconds opening presents.

Learn more in brainly.com/question/11897796

7 0
3 years ago
Which is the safest way to invest money??
Pani-rosa [81]
Everything carries risk however mutual funds and banks are safest options
4 0
3 years ago
Read 2 more answers
what is the value of the expression? 4(6/10−1/5)+0.4 enter your answer, in simplest form, in the box.
MA_775_DIABLO [31]

Answer: 2.0

Step-by-step explanation:

The given expression : 4(\dfrac{6}{10}-\dfrac{1}{5})+0.4

To solve the given expression , we need to follow BODMAS (Bracket→ Of Divide→ Multiplication →Add →Subtract).

According to BODMAS , first we simplified the expression present inside the brackets .

4(\dfrac{6-2(1)}{10})+0.4  [10= LCM[10,5]]

=4(\dfrac{6-2}{10})+0.4

=4(\dfrac{4}{10})+0.4

=(\dfrac{4\times4}{10})+0.4   [Multiply]

=(\dfrac{16}{10})+0.4   [Simplify]

=1.6+0.4=2.0 [Add]

Hence, the value of the expression in the simplified form = 2.0

6 0
4 years ago
Somebody help please i will give brainliest​
Marrrta [24]

Answer:

I sense a problem with ure question.

There is no link or image to what you need help with

Step-by-step explanation:

I will do my best to answer after you have posted what i need

6 0
3 years ago
Read 2 more answers
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