3 years ago

Round this number to the tens place 645.56

Mathematics

1 answer:

arlik [135]3 years ago

8 0

Answer:

650.56 or just 650

Step-by-step explanation:

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if the ratio of similarity of the figures above is 2/3, then what is the ratio of the perimeters of the two figures?

Mademuasel [1]

Perimeter = side 1 + side 2 ´+ side 3.

Triangle 1

Perimeter = 6 + 8 + 10

= 24

Triangle 2

Perimeter = 9 + 12 + 15

= 36

Ratio

24/36 = 2/3

The ratio of the perimeters is also 2/3

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Answer:

Step-by-step explanation:

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3 years ago

Find the missing value 7/8 = x/28.8 WITH WORK

Juliette [100K]

Answer:

$\displaystyle x = 25.2$

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

$\displaystyle \frac{7}{8} = \frac{x}{28.8}$

Step 2: Solve for x

Cross-multiply: $\displaystyle 201.6 = 8x$
Isolate x term: $\displaystyle 25.2 = x$
Rewrite: $\displaystyle x = 25.2$

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3 years ago