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3 years ago

☆+☆+☆=18♡+♡+☆=14♤+♤+♡=2♡+♤+☆☆=Genius only look closely at the details

Mathematics

1 answer:

Dmitriy789 [7]3 years ago

5 0

Answer:

Step-by-step explanation:

3 stars = 18

1 star = 6

14-6=8/2 = 4

1 heart = 4

1 spade = -1

4 + -1= 3

3 + (2 stars)

3 + 12 = 15

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Hector has a floor plan showing his new house. On the floor plan, his bedroom is 3 inches wide and 3

Nat2105 [25]

Question:

Hector has a floor plan showing his new house. On the floor plan, his bedroom is 3 inches wide and 3 1/2 inches long. The scale of the floor plan is 1/4 inch = 1 foot. What is the actual length of Hector’s room?

Answer:

The actual length of Hector room is 14 foot

Solution:

Given that, On the floor plan, his bedroom is 3 inches wide and $3\frac{1}{2}$ inches long

The scale of floor plan is given as:

$\frac{1}{4} \text{ inch} = 1 \text{ foot }$

Therefore,

$1 \text{ inch } = 4 \text{ foot}$

To find: Actual length of floor

From given question,

$length = 3\frac{1}{2} \text{ inches}$

Converting the mixed fraction to improper fraction,

$length = \frac{2 \times 3 + 1}{2} = \frac{7}{2} \text{ inches }$

Since, 1 inch = 4 foot

$\frac{7}{2} \text{ inches } = \frac{7}{2} \times 4 \text{ foot } = 14 \text{ foot }$

Thus actual length of Hector room is 14 foot

6 0

2 years ago

Find the solution of the system of equations 2x-4y=32 2x-8y=48

Sveta_85 [38]

2x-4y=32
2x-8y=48
--------------subtract
4y = - 16
y = -4

2x-4y=32
2x- 4(-4)=32
2x + 16 = 32
2x = 16
x = 8

answer
(8, -4)

6 0

3 years ago

Read 2 more answers

Explain the error in the solution below. What

ikadub [295]

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2 years ago

You work for a pharmacy and monthly sales of asthma inhalers in your pharmacy follows a normal distribution with a mean of 191 i

grin007 [14]

Answer: -1.33 .

Step-by-step explanation:

Formula to find the Z-score :

$Z=\dfrac{\text{Expected value - Mean}}{\text{Standard deviation}}$

Given: Mean = 191 and Standard deviation = 21

Then , the z-score corresponding to the expected value of 163 will be :

$Z=\dfrac{163-191}{21}\\\\=\dfrac{-28}{21}\approx-1.33$

Hence, the z score corresponding to selling 163 inhalers is -1.33 .

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2 years ago

Find the center and radius when x^2+y^2+4x-4y=17

coldgirl [10]

Answer:

the center is (-2,2) and the radius is 5

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3 years ago

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☆+☆+☆=18♡+♡+☆=14♤+♤+♡=2♡+♤+☆☆=Genius only look closely at the details ​

☆+☆+☆=18♡+♡+☆=14♤+♤+♡=2♡+♤+☆☆=Genius only look closely at the details