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3 years ago

Twice the difference of a number and three is negative two. Find the number

Mathematics

1 answer:

lianna [129]3 years ago

8 0

<h3>Answer:</h3>

$x=2$

<h3>Explanation:</h3>

Represent the sentence mathematically. $2(x-3)=-2$

Distribute. $2x+(2*-3)=2x-6=-2$

Add 6 on both sides. $2x=-2+6=4$

Divide both sides by 2. $x=2$

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Write 98 as the product of prime factors in ascending order

umka2103 [35]

to write 98 as a product of its prime factors we have to first find the prime factors of 98

prime factors are prime numbers by which the given number can be divided by.

98 we have to keep dividing it by prime numbers

98 is an even number so we can first divide by 2

98 / 2 = 49

49 is a multiple of 7 which too is a prime number so we can divide 49 by 7

49/7 = 7

7 can be divided again by 1

7/7 = 1

98 is divisible by 2 and 7

so 98 written as a product of prime factors is

98 = 2 x 7 x 7

4 0

3 years ago

Read 2 more answers

Sarah’s mom took 3 hours to clean, but when Sarah helped, it took them 2 hours to clean. How many hours will it take Sarah to cl

Aleonysh [2.5K]

Answer:

It takes them 1.875 hours.

Step-by-step explanation:

Here, the job is cleaning the house.

Mom does 1 job in 3 hours.

In 1 hour, mom does 1/3 of the job.

Dad does 1 job in 5 hours.

In 1 hour, dad does 1/5 of the job.

Mom and dad working together do the job in x hours.

In 1 hour, mom and dad together do 1/x of the job.

1/3 + 1/5 = 1/x

5/15 + 3/15 = 1/x

8/15 = 1/x

8x = 15

x = 15/8 = 1.875

Answer: It takes them 1.875 hours.

your welcome

6 0

2 years ago

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Simplify -3x³y²(-4x²y•y•y•y•y)²

AnnZ [28]

$-3x^3y^2(-4x^2 \underbrace{y\cdot y\cdot y\cdot y}_{y^4})^2\\\\=(-3)(-4)(x^3x^2)(y^2y^4)\\\\=12x^{3+2}y^{2+4}\\\\=\boxed{12x^5y^6}\\\\Used:\\\\a^n\cdot a^m=a^{n+m}$

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3 years ago

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Need an expert to help

Murljashka [212]

Answer:

basketball = 40,000

reggae band = 215,000

agent green = 65,000

pitchfork = 224,000

droogs = 111,000

Step-by-step explanation:

if the number is less than 5 keep the thousand place the same and turn everything less than that to 0. if the number is 5 or more than move the thousand place up one and turn everything under to 0.

6 0

3 years ago

Pls help me with this multiple choice ! thank u

Mrrafil [7]

Answer:

The answer will be C x=14 and y=7

Step-by-step explanation:

Hope this HElped

8 0

3 years ago