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jok3333 [9.3K]
2 years ago
10

Find X 20+4x=28I want to know this answer as it confuses me ​

Mathematics
1 answer:
ser-zykov [4K]2 years ago
6 0

Hey!

--------------------------------------------------

Steps To Solve:

20 + 4x = 28

~Subtract 20 to both sides

20 + 4x - 20 = 28 - 20

~Simplify

4x = 8

~Divide 4 to both sides

4x/4 = 8/4

~Simplify

x = 2

--------------------------------------------------

Hence, the answer is  \Large\boxed{\mathsf{x~=~2}}

--------------------------------------------------

Hope This Helped! Good Luck!

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Anita is years older than Basilio. Three times Anita's age added to six times Basilio's age is 36. 1. Define the variables 2. Cr
Scilla [17]

Answer :Anita's age = 7 years

Basilio's age = 2.5 years

Step 1. Assign variables to Anita's and Basilio's ages.

Anita's age = A

Basilio's age = B

 

Step 2. Use the information given to form two equations.

Anita is 4-1/2 years older than Basilio

A = 4.5 + B

 

Three times Anita's age added to six times Basilio's age is 36

3A + 6B = 36

 

Step 3. Substitute the value of A from first equation in to the second equation and solve for B

3(4.5 + B) + 6B = 36

13.5 + 3B + 6B = 36

13.5 + 9B = 36

9B = 36 - 13.5

9B = 22.5

B = 22.5/9 = 2.5

 

Step 4. Find the value of A

A = 4.5 + 2.5 = 7

 

Answer:

Anita's age = 7 years

Basilio's age = 2.5 years

6 0
3 years ago
Find the perimeter.
Scorpion4ik [409]

Answer:

7 1/3 inches

Step-by-step explanation:

2 (1 3/4 + 1 11/12)

9+11

3/4+11/12= -------------

12

20/12

=1 2/3+ 2

2(3 2/3)

= 7 1/3

7 0
2 years ago
How do I graph y=2x if there is only slope
lord [1]
There is an invisible +0 at the end. this means the y intercept is 0
3 0
3 years ago
Solve.<br> 9x+9&gt; 50.4<br> Enter the answer in the box.<br> X &gt;
coldgirl [10]

<em>Rearrange unknown terms to the left side of the equation</em>

                   \boldsymbol{\sf{  9x > 50.4-9 \ \ \longmapsto \ \ \ [Subtract]}}

<em>Calculate the sum or difference.</em>

                                  \boldsymbol{\sf{9x > 41.4 }}

<em>Convert decimal to fraction.</em>

                                    \boldsymbol{\sf{9x > \dfrac{414}{10}  }}

<em>Reduce the greatest common factor for both sides of the inequality.</em>

<em>                                     </em>\boldsymbol{\sf{x > \dfrac{46}{10}  }}

<em>Reduce the fraction</em>

                         \red{ \boxed{\boldsymbol{\sf{\blue{ Answer \ \ \longmapsto \ \ x > \dfrac{23}{5}  }}}}}

3 0
2 years ago
Read 2 more answers
Decomponha os seguintes números a) 1.585 = b) 1.059= c) 2.440 d) 5.329 e) 8.801 f) 9.999 g) 3.718 h) 6.840 i) 7.504 j) 5.225 1)
vlada-n [284]

Answer:

a) 1.585 =1.0 + 0.5+ 0.08+0.005

b) 1.059= 1 .0+ 0.0+ 0.05+0.009

c) 2.440 = 2.0 + 0.4+ 0.04

d) 5.329= 5.0 + 0.3+ 0.02+0.009

e) 8.801 = 8.0 + 0.8+ 0.00+0.001

f) 9.999= 9.0 + 0.9+ 0.09+0.009

g) 3.718 = 3.0 + 0.7+ 0.01+0.008

h) 6.840= 6.0 + 0.8+ 0.04

i) 7.504 = 7.0 + 0.5 +0.004

j) 5.225 = 5.0 + 0.2+ 0.02+0.005

1) 4.063 = 4.0 + 0.0+ 0.06+0.003= 4+0.06+0.003

m) 2.597= 2 .0+ 0.5+ 0.09+0.007

Step-by-step explanation:

A medida que nos alejamos del punto decimal, el número de ceros aumenta y el dígito se mueve hacia la derecha.

Los valores después del decimal se denominan décimas, centésimas y milésimas.

a) 1.585 =1.0 + 0.5+ 0.08+0.005

b) 1.059= 1 .0+ 0.0+ 0.05+0.009

c) 2.440 = 2.0 + 0.4+ 0.04

d) 5.329= 5.0 + 0.3+ 0.02+0.009

e) 8.801 = 8.0 + 0.8+ 0.00+0.001

f) 9.999= 9.0 + 0.9+ 0.09+0.009

g) 3.718 = 3.0 + 0.7+ 0.01+0.008

h) 6.840= 6.0 + 0.8+ 0.04

i) 7.504 = 7.0 + 0.5 +0.004

j) 5.225 = 5.0 + 0.2+ 0.02+0.005

1) 4.063 = 4.0 + 0.0+ 0.06+0.003= 4+0.06+0.003

m) 2.597= 2 .0+ 0.5+ 0.09+0.007

The values after the decimal are called tenths hundredths and thousandths

6 0
2 years ago
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