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dmitriy555 [2]
3 years ago
8

Find the area of a parallelogram with base = 9 ft and height = 12 ft

Mathematics
1 answer:
mojhsa [17]3 years ago
6 0

Answer:

I would say 21 feet not 100% sure though

Step-by-step explanation: not sure

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The Johnson twins were born nine years after their older sister. This year, the product of the three siblings ages is exactly 18
KATRIN_1 [288]

Answer: The age of the twins is 10 years.

Step-by-step explanation:

Suppose the age of older sister be x

Let the age of twins sister be x-9, as they are born after 9 years.

Product of their ages be

x(x-9)(x-9)\\\\=x(x^2-18x+81)\\\\=x^3-18x^2+81x

Sum of their ages will be

x+x-9+x-9\\\\=3x-18

According to question,

1861+3x-18=x^3-18x^2+81x\\\\x^3-18x^2+81x-3x+18-1861=0\\\\x^3-18x^2+78x-1843=0\\\\x=19

So, Age of older sister will be 19 years.

Age of the twins will be

19-9=10\ years

Hence, the age of the twins is 10 years.

3 0
3 years ago
What is another way to write (2x - 3)?​
Norma-Jean [14]

Answer:

See below

Step-by-step explanation:

Many ways...

x+x-3

2x-6+3

5x-3x-3

(4x-6)/2

And the list goes on...

8 0
3 years ago
Read 2 more answers
I need help with math please
zvonat [6]

Answer:

Rational and integer i.e option A and C

3 0
3 years ago
Find m<LMN if m<LMT=23 degree and m<TMN=144 degree​
rodikova [14]

Answer:

∠LMN = 167°

Step-by-step explanation:

∠LMT = 23°

∠TMN = 144°

∠LMN = ∠LMT + ∠TMN

∠LMN = 23° + 144°

∠LMN = 167°

5 0
2 years ago
A cellphone company charges $60 for a cellphone and a monthly rate to use the phone.Regina will pay $1,140 for a 24-month cellph
Alinara [238K]

The monthly rate is $45 for this cellphone plan.

Step-by-step explanation:

Given,

Amount charged for cell phone = $60

Amount paid by Regina for 24 month plan = $1140

Number of months = 24

Let,

m be the monthly rate for cellphone plan

Number of months * Monthly rate + cellphone charges = Amount paid

24m+60=1140\\24m=1140-60\\24m=1080

Dividing both sides by 24

\frac{24m}{24}=\frac{1080}{24}\\m=45

The monthly rate is $45 for this cellphone plan.

Keywords: subtraction, division

Learn more about subtraction at:

  • brainly.com/question/10894205
  • brainly.com/question/10987396

#LearnwithBrainly

7 0
2 years ago
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