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3 years ago

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Mathematics

2 answers:

Anika [276]3 years ago

3 0

The answer to your question is D
.5 x 8= 4 pounds
.5 x 10=5 pounds
.5 x 12=6 pounds
.5 x 16=8 pounds

AlekseyPX3 years ago

3 0

In order to find out how many spools of threads are in the box, take the weight of the box, and divide it by how much each spool weighs:

8 divided by 1/2 < this is your equation. When dividing fractions, you keep the first value (8), switch the operation (so instead of dividing, you are now multiplying) and you flip the second value (1/2 becomes 2/1). Your new equation should be:

8 (or 8/1) x 2/1 which is basically saying 8 x 2, which equals 16.

Answer: There are 16 spools of thread in the box.

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Nonamiya [84]

The sum of the measures of the interior angles of the chess board is equal to 720°.

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8 0

10 months ago

You are considering renting a car from two different rental companies. Proxy car rental company charges. $0.32 per mile plus an

mash [69]

Let y = total charge for a car rental and x = miles driven
Proxy car equation: y = 0.32x + 18
YourPal equation: y = 0.36x + 12

Set equations right sides equal to each other... meaning their cost, y, are equal
0.32x + 18 = 0.36x + 12
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6 = 0.04x (subtract 12 from both sides of the equation)
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ANSWER: 150 miles

6 0

3 years ago

Question Progress

Alik [6]

Answer:

60 ; - 40 ; 22 ; - 11

Step-by-step explanation:

Given that:

Number of questions = 20

Rules :

Every correct answer scores 3 points.

Each incorrect answer loses 2 points.

A question not answered scores 0 points.

It is possible to finish the quiz with a negative score.

Maximum score : answering all questions correctly :

(3 points * 20 questions)

= 3 * 20

= 60 points

Minimum score is obtainable by answering all questions incorrectly ;

(-2 points * 20)

= - 40 points

10 correct answers = (3 * 10) = 30 points

(14 - 10) = 4 incorrect answers = (-2 * 4) = - 8 points

Net total = 30 + (-8) = 30 - 8 = 22 points

d) Another student answers 18 questions,

5 are correct. How many points does she score?

5 correct answers = (5 * 3) = 15 points

(18 - 5) incorrect answers = (13 * - 2) = - 26 points

Net total = 15 + (-26) = - 11 points

4 0

2 years ago

Sa se gaseasca numerele a si b a caror medie aritmetica este 200 si care sunt invers proportionale cu 8 si respectiv 4,5.

Olenka [21]

Bonjour, (as you write in roumain)

Soient a et b les 2 nombres

(a+b)/2=200==>a+b=400

8/a=4.5/b==>16b=9a

a+9a/16=400
==> 25a/16=400
==>a=400*16/25
==>a=256
et b= 9*256/16; b=144

3 0

3 years ago

Vx4=4 what is the answer

Volgvan

Step-by-step explanation:

v=4÷4

v=1 Ans

Do by transposition

hope it helps

8 0

2 years ago