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2 years ago

What is 7(34-99)-7+2 7/9

Mathematics

1 answer:

allsm [11]2 years ago

7 0

Answer:

-459 2/9

Step-by-step explanation:

calculate 34-99= -65

and turn 2 7/9 into a mixed number as 25/9

leaves u with

7(-65)-7+25/9

multiply 7x-65=-455

-455-7+25/9

-462+25/9

get common denomionator and add

-4133/9 or -459 2/9 or -459.2

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3 years ago

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aliya0001 [1]

Answer:

-11

Step-by-step explanation

Condition:

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

The diameter of a circle measures 28 mm. What is the circumference of the circle?

Papessa [141]

Answer:

C = 87.92 mm

General Formulas and Concepts:

Symbols

π (pi) ≈ 3.14

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Geometry

Circumference Formula: C = πd

C is circumference
d is diameter

Step-by-step explanation:

Step 1: Define

Diameter d = 28 mm

Step 2: Solve

Substitute in variables [Circumference Formula]: C = 3.14(28 mm)
[Circumference] Multiply: C = 87.92 mm

8 0

2 years ago

What is the distance between -70 and -30 on a number line? units

german

Answer:

I would guess 40, I could be wrong.

Step-by-step explanation:

70-30=40. So it would be 40 units away from eachother.

4 0

2 years ago

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