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3 years ago

Use the the image below to determine the angle type, relationship, value of x, and the missing angle measures.

Mathematics

1 answer:

Alexeev081 [22]3 years ago

6 0

Answer:

Name: alternate exterior angles

Relationship: they are congruent. (15x + 5)° = (14x + 11)

Value of x: 6

Missing angle measures: 95°

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What is m<BCD<br>OA) 80°<br>OB) 90°<br>C) 100°<br>D) 110°

wlad13 [49]

Answer:

Step-by-step explanation:

The external angle of a triangle is equal to the sum of the 2 opposite interior angles.

∠ BCD is an exterior angle of the triangle, thus

∠ BCD = 50° + 60 = 110° → D

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3 years ago

Find the uncertainty in a calculated average speed from the measurements of distance and time. Average speed depends on distance

zzz [600]

Answer:

$\frac{\Delta v}{v}=0.426$

Step-by-step explanation:

you have that the average sped is given by the following formula:

$v(x,t)=\frac{x}{t}$

The uncertainty formula for a division is given by:

$\frac{\Delta v}{v}=\sqrt{(\frac{\Delta x}{x})^2+(\frac{\Delta t}{t})^2}$ (1)

Δv: uncertainty in speed

Δx: uncertainty in the distance = 0.9m

Δt: uncertainty in time = 0.7s

x: distance = 8.1m

t: time = 1.7s

You replace the values of all parameters in the equation (1):

$\frac{\Delta v}{v}=\sqrt{(\frac{0.9}{8.1})^2+(\frac{0.7}{1.7})^2}\\\\\frac{\Delta v}{v}=0.426$

Hence, the relation between the uncertainty in the average velocity is 0.426

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3 years ago

When you write a number that is less than 1 in scientific notation how does the power of 10 differ from when you write a number

Irina18 [472]

When you write a number that is less than 1 in scientific notation how does the power of 10 differ from when you write a number greater than 1 in scientific notation?

Answer : In scientific notation all numbers are written in the form m × 10ⁿ. If the number is less than 1, ten is raised to a negative power, so : m × 10⁻ⁿ.

Example : a decimal number less than 1 is 0.02 = 2 x 10⁻² in scientific notation.

Hope this helps!

$\textit{\textbf{Spymore}}$

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4 years ago

Candice and Joe went to Sawcon, the concert tickets for the concert Sawcon was 50 dollars each person. Plus tax they add 2.5 dol

Delvig [45]

Answer:

they would be $42.00

Step-by-step explanation:

50 + 2.50= 52.50

52.50-10.50=42.00

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3 years ago

If one store is selling 3/4 of a bushel of apples for $9, and another stir is selling 2/3 of a bushel of apples for $9, which st

Citrus2011 [14]

When solving problems like these, the easiest thing to do is either turn both fractions into decimals or into fractions with a common denominator.

So 3/4 = 0.75 OR 9/12

And 2/3 = .666 OR 8/12

In solving the actual question, you're looking for the store that gives the better deal, meaning that they sell MORE apples for LESS.

The first store sells 9/12 of a bushel for $9 and the second store sells 8/12 of a bushel for $8.

The answer is the first store which sells 3/4 of a bushel for $9.

Let me know if you need anymore help.

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3 years ago