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Vladimir [108]
2 years ago
13

The perimeter of a pentagon (5 sides) is 10.5 centimeters. The sides are x,x,x,x and 1.7 cm. What is the value of x

Mathematics
1 answer:
Drupady [299]2 years ago
4 0

Answer:

What did she sayyyyyyyy? Um I don't know what x,x,x,x is ma'am or sir

Step-by-step explanation:

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What the simplest form for 5 4/32?
stira [4]
Ok so the answer is 160/32
4 0
2 years ago
Read 2 more answers
The temperature reading from a thermocouple placed in a constant-temperature medium is normally distributed with mean μ, the act
ira [324]

Answer:

The standard deviation would have to be 0.05.

Step-by-step explanation:

We can solve this problem using the 68-95-99.7 rule for normal distributions:

The rule states that:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviations of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

What would the value of σ have to be to ensure that 95% of all readings are within 0.1° of μ?

This means that 2 standard deviations would need to be within 0.1 of the mean. So

2\sigma = 0.1

\sigma = \frac{0.1}{2}

\sigma = 0.05

The standard deviation would have to be 0.05.

6 0
3 years ago
Another car dealership sells a truck for the wholesale price of $12,000. During a special sales event, the dealership offers a 1
Zepler [3.9K]

Answer:

$10,800

Step-by-step explanation:

Given that:

Wholesale price of the truck = $12,000

At the special sales event, the discount offered on the price = 10% of the wholesale price

Therefore the discount can be calculated as follows:

10% of Wholesale price

Wholesale price is given as $12,000.

\Rightarrow \dfrac{10}{100} \times 12000\\\Rightarrow \bold{\$1200}

Now, we have to find the price to be paid by customer after the discount being offered due to the special sales event.

Discounted price = Wholesale price - Discounted offered due to special sales event.

Discounted price = $12000 - $1200 = <em>$10,800</em>

<em></em>

Therefore, the answer is:

<em>$10,800</em>

4 0
2 years ago
2/3w - 1/4 = 2/3(w - 1/4)
Rufina [12.5K]

<u>Answer:</u>

No solution

<u>Step-by-step solution:</u>

We are given an expression:

\frac{2}{3} w-\frac{1}{4} =\frac{2}{3} (w-\frac{1}{4} )

We have only one variable w so we will make w the subject and solve for it.

\frac{2}{3} w-\frac{1}{4} =\frac{2}{3} (w-\frac{1}{4} )

Solving the brackets first to get:

\frac{2}{3} w -\frac{1}{4} =\frac{2}{3} -\frac{1}{6}

Taking LCM on both sides to get:

\frac{8w-3}{12} =\frac{4w-3}{6}

By cross multiplication:

6(8w-3)=12(4w-3)

48w-18 = 48w -36

48w - 49w -18 + 36 = 0

w gets cancelled so we are left with 18\neq 0

Therefore, w has no solution.

5 0
3 years ago
5. A spotlight is mounted 7.3 meters high on a pole to illuminate the center of a parking area at
lesantik [10]

Answer: 54.4°

Step-by-step explanation:

If the spotlight is mounted 7.3 meters high, its height will be 7.3meters.

If A is 10.2 meters from the base of the pole, the base of the pole to the parking area will be 10.2meters

The angle of the depression will be facing the base directly therefore, the base will be the opposite of the triangle formed and the height of 7.3m will be the adjacent.

To get the depression angle, we use the trigonometry identity SOH, CAH, TOA

Since we have opposite and adjacent, we will use "TOA" which means

Tan theta = Opposite/Adjacent

Opposite = 10.2m Adjacent = 7.3

Tan theta = 10.2/7.3

Tan theta = 1.39

theta = arctan 1.39

Theta = 54.4°

The angle of depression that the spotlight should aim at is 54.4°

4 0
3 years ago
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