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3 years ago

What is the measure of the angle?

Mathematics

2 answers:

Ket [755]3 years ago

6 0

You have to use a protractor for that but it must be less than 90

Anton [14]3 years ago

3 0

Answer:

The angle of that is 90°

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Element X decays radioactively with a half life of 13 minutes. If there are 530 grams of Element X, how long, to the nearest ten

Leona [35]

Answer:

$t \approx 50.4\,min$

Step-by-step explanation:

The time constant of the element X is:

$\tau = \frac{13\,min}{\ln 2}$

$\tau = 18.755\,min$

The decay function has the following form:

$\frac{m}{m_{o}} = e^{-\frac{t}{\tau} }$

$t = -\tau \cdot \ln \frac{m}{m_{o}}$

$t = -(13\,min)\cdot \ln \left(\frac{11\,g}{530\,g} \right)$

$t \approx 50.4\,min$

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3 years ago

The list shows the score of each game completed at a bowling alley during a one-hour period. 90, 96, 120, 124, 130, 135, 140, 14

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90, 96, 120, 124, 130, 135, 140, 145, 148, 290, 290. How would the data graphed on a horizontal number line appear to be clustered or skewed?

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3 years ago

The formula, P=V^2/R,gives the relationship between resistance (R), voltage (V) and power (P). Solve the formula for Voltage

riadik2000 [5.3K]

Start by multiplying both sides by R to isolate V².
V² = P·R

Now, take the square root of both sides to get V.

V = √PR

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4 years ago

Which is the best estimate of the area of a triangle that has the base of 23.62 cm and height of 8.33 cm?

Alexxx [7]

Best estimate of the area of a triangle = 100 $\text {cm}^2$ .

Solution:

Given base of the triangle = 23.62 cm

Height of the triangle = 8.33 cm

Area of the triangle = $\frac{1}{2} \times \text{base}\times \text {height}$

$=\frac{1}{2}\times23.62\times 8.33$

$=\frac{1}{2}\times196.7546$

$=98.3773 \ \text {cm}^2$

Area of the triangle = 98.3773 $\text {cm}^2$

Estimation means rounded off to the closest correct answer.

98.3773 rounded off to 100.

Hence, best estimate of the area of a triangle = 100 $\text {cm}^2$ .

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4 years ago

Whats the answer having trouble

Paraphin [41]

400 divided by the 2 teams would be a unit rate of $200 per team

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4 years ago