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Harman [31]
3 years ago
15

Write an expression that is equivalent to 5(3x plus 2z)

Mathematics
1 answer:
avanturin [10]3 years ago
4 0
15x +10z because if you use the distributive property of multiplication,
 5 x 3x = 15x and 5 x 2z = 10z
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a cone-shaped storage tank has a height of 9feet and radius of 7feet. determine the volume of liquid the tank can hold.
Drupady [299]

Answer:

(PI* radius^2 * height) / 3

Volume = PI * 49 * 9 / 3

Volume = 461.8141200777  cubic feet

Volume = 461.81 cubic feet (rounded)

Step-by-step explanation:

4 0
3 years ago
Find the value. Please
IgorC [24]
The cosine ratio is adjacent leg divided by the hypotenuse.
The hypotenuse in a right triangle is the longest side and it is opposite the right angle.
An adjacent leg is the side that has an endpoint that is at the vertex of the angle and the other endpoint is at the vertex of the right angle.

cos A = \frac{12}{20} =  \frac{3*4}{5*4} = \frac{3}{5}
ANSWER: cosA= \frac{3}{5}


7 0
3 years ago
Consumer products are required by law to contain at least as much as the amount printed on the package. For example, a bag of po
Troyanec [42]

Answer:

The average bag weight must be used to achieve at least 99 percent of the bags having 10 or more ounces in the bag=9.802

Step-by-step explanation:

We are given that

Standard deviation, \sigma=0.2ounces

We have to find the average bag weight must be used to achieve at least 99 percent of the bags having 10 or more ounces in the bag.

P(x\geq 10)=0.99

Assume the bag weight distribution is bell-shaped

Therefore,

P(\frac{x-\mu}{\sigma}\geq 10)=0.99

We know that

z=\frac{x-\mu}{\sigma}

Using the value of z

Now,

\frac{10-\mu}{0.2}=0.99

10-\mu=0.99\times 0.2

\mu=10-0.99\times 0.2

\mu=9.802

Hence, the average bag weight must be used to achieve at least 99 percent of the bags having 10 or more ounces in the bag=9.802

5 0
3 years ago
Find the measure of ∠ADB<br><br> ∠<br><br> A<br><br> D<br><br> B<br><br> if ∠ADC = 82°
sveta [45]
Assuming CDB is a straight line then angle ADB = 180-82=98
8 0
3 years ago
What is the answer to 18.7 and 18.6 rounding to the nearest tenth
aivan3 [116]
187=190 186=190 because 18.7 and 18.6 are 187 and 186 so 8 is the tenth place. So they both equal 190
8 0
3 years ago
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