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vlada-n [284]
3 years ago
11

Mrs. Perez has 28 students and 5

Mathematics
2 answers:
storchak [24]3 years ago
4 0

Answer:

Its multiplication and the awnser is 20

Step-by-step explanation:

I took the assignment

solniwko [45]3 years ago
3 0

Answer:39 1/5

Step-by-step explanation:

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In a class⅗ of the children are going to special event If there are 30 children in the class,how many are going​
irinina [24]

Answer:

18

Step-by-step explanation:

3/5 x 30

(3 times 30)divided by 5

= 18 children are going.

Hope this helps:-)

4 0
3 years ago
How is math used in making murals?(subject:Collage and Career readiness)
Stella [2.4K]
She 56/92 6-5=1 and 567-1=566
3 0
3 years ago
3. if you want to represent geologic time with a 24-hour clock, how many years would be represented by a single second, minute a
Amanda [17]

In geologic time scale a single second = 52,083.3 years, a minute = 3,125,000 years, an hour = 187.5 million years

Geologic time, the extensive interval of time occupied by the geologic history of Earth. Formal geologic time begins at the start of the Archean Eon (4.0 billion to 2.5 billion years ago) and continues to the present day.

So the geologic time scale (GTS) contains different ranks of times about Earth, obviously you know this already. However, the GTS has these different ranks in order from shortest length of time to longest length of time.

The Earth is about 4.5 billion years old. We want to convert this geological time in a period of 24 hours. So, if 24 hours correspond to 4.5 billion years, then, 1 Hour= 4.5 billion / 24=187.5 million years. There are 60 minutes in an hour ∴ 1 minute =187.5 million /60=3,125,000 years finally, one second has 60 seconds ∴ 1 second=3,125,000 / 60 = 52,083.3 year.

learn more about geologic time here:

brainly.com/question/22502144

#SPJ4

4 0
2 years ago
Can someone write out the steps so I understand? <br> 14 + 18 ÷ 2 x 18 - 7
Lina20 [59]

To solve use the rules of PEMDAS (Parentheses, Exponent, Multiplication, Division, Addition, Subtraction)

REMEMBER: IF A STEP IS NOT APPLICABLE TO THE EQUATION YOU MAY SKIP THAT STEP IN PEMDAS .

14 + 18 ÷ 2 x 18 - 7

Now comes the problematic part, in which many people get confused. Although in the PEMDAS order it shows multiplication before division, you must remember that multiplication and division are "paired." This means that you will apply these two operations in the order they come first in the expression as you read it from left to right. In this case that would be division first then multiplication.

NOTE: This rule also applies when you are dealing with addition and subtraction in the same expression

Division

14 + 18 ÷ 2 x 18 - 7

18 ÷ 2 = 9

14 + 9 × 18 - 7

Multiplication

14 + 9 × 18 - 7

9 × 18 = 162

14 + 162 - 7

Addition

14 + 162 - 7

14 + 162 = 176

Subtraction

176 - 7

= 169

Hope this helped!

~Just a girl in love with Shawn Mendes

5 0
4 years ago
Read 2 more answers
Darlene wrote this proof of the identity (x+y)^2-(x-y)^2=4xy. Which of the following is a justification for step 5 for her proof
VMariaS [17]
For 5 step u add 3 steps and dats ur answer
6 0
3 years ago
Read 2 more answers
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