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3 years ago

6 ( − 2.1 x − 2 ) + ( 7 x + 5 )

Mathematics

1 answer:

Mariana [72]3 years ago

8 0

Answer: −5.6x −7

Step-by-step explanation:

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What is the sum of 1/3 + 5 3/4 as a mixed number in simplest form

mart [117]

6 1/12 would be the answer

Rewriting our equation with parts separated

1/3+5+3/4

Solving the fraction parts

1/3+3/4=?

Find the LCD of 1/3 and 3/4 and rewrite to solve with the equivalent fractions.

LCD = 12

4/12+9/12=13/12

Simplifying the fraction part, 13/12,

13/12=11/12

Combining the whole and fraction parts

5+1+1/12=6 1/12

3 0

3 years ago

Solve. Round to the nearest tenth. 6 2-12 19 2x-2 HELP ASAP!!

Strike441 [17]

Answer:

$\displaystyle x = \frac{216}{7}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define

$\displaystyle \frac{6}{19} = \frac{x - 12}{2x - 2}$

Step 2: Solve for x

Cross-multiply: $\displaystyle 6(2x - 2) = 19(x - 12)$
Distribute: $\displaystyle 12x - 12 = 19x - 228$
Isolate x terms: $\displaystyle -12 = 7x - 228$
Isolate x term: $\displaystyle 216 = 7x$
Isolate x: $\displaystyle \frac{216}{7} = x$
Rewrite: $\displaystyle x = \frac{216}{7}$

6 0

2 years ago

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How do you round 9.246 to the nearest tenth?

Flauer [41]

You look at the hundreths place (4) and if it is 5 or more you round the tenths place up. so the number is rounded to 9.2

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3 years ago

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Step-by-step explanation:

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3 years ago

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Simplify 12y-(-4-8y)

Digiron [165]

Step-by-step explanation:

12y-(-4-8y)

= 12y +4 + 8y. ['-' getting multiplied when brackets open]

= 12y + 8y +4. [ Adding the like terms ]

= 20 y + 4 (Ans)

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2 years ago

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