3 years ago

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Mathematics

1 answer:

Svetllana [295]3 years ago

3 0

Answer:

yes

Step-by-step explanation:

...

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If RSV= (5x-1), VST= (17x-6), and RST= 147, find VST

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<h3>The value of VST is 4 cm.</h3>

<h3>Hope it helps...</h3>

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2 years ago

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Constance works as a landscaper. She charges $100 per job and $10 for each hour, h, she works. Which expression represents the t

MissTica

B. 100+10h is the correct expression to represent how much the landscaper charges.

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2 years ago

A number is as much greater than 21 as it is less than 75 .find the number

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Answer:

Step-by-step explanation:

Let number is x greater than 21 and x less than 71.

Now, according to question,

21+x=71−x

2x=50

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So, required number is 21+x=21+25=46.

Alternatively,

The required number would be the average or mean of 21 and 71.

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3 years ago

A student repeatedly measures the mass of an object using a mechanical balance and gets the following values: 560 g, 562 g, 556

MrRissso [65]

Answer: 2.76 g

Step-by-step explanation:

The formula to find the standard deviation:-

$\sigma=\sqrt{\dfrac{\sum(x_i-\overline{x})^2}{n}}$

The given data values : 560 g, 562 g, 556 g, 558 g, 560 g, 556 g, 559 g, 561 g, 565 g, 563 g.

Then, $\overline{x}=\dfrac{\sum_{i=1}^{10} x_i}{n}\\\\\Rightarrow\ \overline{x}=\dfrac{560+562+556+558+560+556+559+561+565+563}{10}\\\\\Rightarrow\ \overline{x}=\dfrac{5600}{10}=560$

Now, $\sum_{i=1}^{10}(x_i-\overline{x})^2=0^2+2^2+(-4)^2+(-2)^2+0^2+(-4)^2+(-1)^2+1^2+5^2+3^2\\\\\Rightarrow\ \sum_{i=1}^{10}(x_i-\overline{x})^2=76$

Then, $\sigma=\sqrt{\dfrac{76}{10}}=\sqrt{7.6}=2.76$

Hence, the standard deviation of his measurements = 2.76 g

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3 years ago

Put banana and peaches in the blender o fill the order

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Answer:

9:3 or 9 to 3

Step-by-step explanation:

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