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3 years ago

8

Ahmad lost 50 dollars from his pocket.Write a signed number to represent this change.

1 answer:

IRINA_888 [86]3 years ago

8 0

Answer:

-50

Step-by-step explanation:

it could be X-50=?

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Evaluate f(x) = x2 – 12 when x = 5

Ede4ka [16]

Answer:

f(5) = 13

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

<u>Algebra I</u>

Function notation and substitution

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = x² - 12

x = 5

<u>Step 2: Evaluate</u>

Substitute: f(5) = 5² - 12
Exponents: f(5) = 25 - 12
Subtract: f(5) = 13

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3 years ago

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Two straight lines that intersect at a right angle are __?__ to each other.

GaryK [48]

Answer: perpendicular lines

Step-by-step explanation:

look up "Two straight lines that intersect at a right angle"

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3 years ago

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WILL MARK BRAINIEST, QUESTION IS HARD, Ann works for a city’s parks and recreation department. She is looking for some commercia

MrRa [10]

Answer:

$x =320$

Step-by-step explanation:

Given

$x^2 + 200x = 166400$

Required

Find x

We have:

$x^2 + 200x = 166400$

Rewrite as:

$x^2 + 200x - 166400 = 0$

Expand

$x^2 + 520x - 320x - 166400 = 0$

Factorize

$x(x + 520) - 320(x + 520)= 0$

Factor out x + 520

$(x - 320) (x + 520)= 0$

Split

$x - 320 = 0\ or\ x + 520= 0$

Solve

$x = 320\ or\ x =- 520$

Side length must be positive;

So:

$x = 320$

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2 years ago

A ball is released at a height of 16 inches to roll inside a half-cylinder. It rolls

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Answer:

Step-by-step explanation:

Using the given formula, we put n = 5

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h = 8 / 16

h = 1 / 2 inches

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3 years ago

A bakery sells 3 muffins for every 5 pizza pies.The bakery sold a total of 24 muffins and pizzas pies together.how many of each

Rudiy27

Number of muffins sold=9

and number of pizza pies sold=15

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3 years ago