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4 years ago

Please help I need help with my hw

Mathematics

1 answer:

olga2289 [7]4 years ago

7 0

Answer:

a) 2.5 pounds of candy

b) 2.5 pounds of candy

$\frac{0.5}{1} :\frac{y}{5}$

y × 1 = 0.5 × 5

y = 2.5

Step-by-step explanation:

1 = 5

1/2 = y or 0.5 = y

$\frac{0.5}{1} :\frac{y}{5}$

y × 1 = 0.5 × 5

y = 2.5

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Solve for x symbolically. a. 2x-3 = 30

makkiz [27]

Answer:

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Step-by-step explanation:

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3 years ago

Please help I’ll give you brainliest

Tju [1.3M]

Answer:

a. 7

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3 years ago

A college radio station sponsors a contest once a week. One resident from a dormitory calls in and tries to answer ten questions

Leni [432]

Answer:

There were 8 correct answers and 2 incorrect answers.

Step-by-step explanation:

The contest consists of paying $50 for each correctly answered question and subtracting $25 for each incorrectly answered question.

Let's call:

x = Number of correct answers

y = Number of incorrect answers

The resident from a dormitory answered 10 questions last week. This leads to the following condition:

$x + y = 10\qquad\qquad [1]$

Since each correct answer adds $50 and each incorrect answer subtracts $25, the weekly balance is

50x - 25y

The contestant earned $350, thus:

50x - 25y = 350

Dividing by 25:

2x - y = 14

Adding this equation with [1]:

x + 2x = 24

Simplifying:

3x = 24

x = 24 / 3

x = 8

From [1]:

y = 10 - x = 10 - 8

y = 2

There were 8 correct answers and 2 incorrect answers.

3 0

3 years ago

• Hari bought 25 kg of pure ghee at Rs 180 per kg and 25 kg vanaspati ghee of Rs.80 per kg. He mixed both types of ghee and sold

Basile [38]

Step-by-step explanation:

as given,

hari bought,

amount of pure ghee he bought = 25 kg

cost of pure ghee per kg = Rs. 180

so, cost of 25 kg of pure ghee = 180 × 25 = Rs 4,500

amount of vanaspati ghee = 25 kg

cost of per kg of vanaspati ghee = Rs. 80

so, cost of 25 kg of vanaspati ghee = 80 × 25 = Rs. 2,000

he mixed both the ghee and got ( 25 + 25 ) = 50 kg of mixed ghee.

he sold them in cost = Rs. 150 per kg

so, total SP of mixed ghee = 150 × 50 = Rs. 7,500

so,

total CP = ( 4500 + 2000 ) = Rs. 6,500

total SP = Rs. 7,500

so,

Profit = SP - CP

→ 7,500 - 6,500 = Rs. 1000

Profit / gain = ( gain × 100 / CP)

→ (1000 × 100 / 6,500 )

→ 1000/65 = 15.38 ( approx.)

therefore, it's a profit of 15.38%.

hope this answer helps you dear! and may u have a great day ahead! take care!

8 0

3 years ago

Solve photo question, please. Second.

Ivan

Hello,
Here is the graph (6,2) is the answer

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3 years ago