Does anyone know the answer to this ? I need help , missing angles .

Answers

Answer 1

Answer: The answer: 135 degrees

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An object has a velocity of 8 m/s and a kinetic energy of 480 J. What is the mass of the object? Formula=1/2mv^2 a(7.5 b(15 kg c(60 kg d(120 kgnevermind i found the answer its (15 kg) because to solve for m its m= K2/v squared

Answers

The Kinetic Energy (K.E) of an object can be calculated as:

$K.E= (1)/(2)mv^(2)$

We are given:
K.E = 480 K
Velocity of the object = v = 8 m/s

Using the values, we get:

$480= (1)/(2)m(8)^(2) \n \n 480= (1)/(2)*64m \n \n 480=32m \n \n m=15$

Thus, the mass of the object will be 15 kg.

So the correct answer is option b

Hello!

An object has a velocity of 8 m/s and a kinetic energy of 480 J. What is the mass of the object ?

We have the following data:

KE (Kinetic Energy) = 480 J

m (mass) = ? (in Kg)

v (speed) = 8 m/s

Formula to calculate kinetic energy:

$\boxed{KE = (1)/(2)*m*v^2}$

Solving:

$KE = (1)/(2)*m*v^2$

$480 = (1)/(2)*m*8^2$

$480 = (1)/(2)*m*64$

$480*2 = 64*m$

$960 = 64\:m$

$64\:m = 960$

$m = (960)/(64)$

$\boxed{\boxed{m = 15\:Kg}}\end{array}}\qquad\checkmark$

Answer:

b) 15 kg

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I Hope this helps, greetings ... Dexteright02! =)

A classroom globe has a diameter of 12 inches. What is the volume of the globe? Use 3.14 for pi. Round your answer to the nearest hundredth.904.32 in3

2144.66 in3

7238.23 in3

9202.77 in3

Answers

The volume of the globe is 904.32in³

The volume of the globe will be calculated by using the volume of a sphere and this will be:

= 4/3πr³

where,

π = 3.142

r = Diameter/2 = 12/2 = 6

Therefore, since we've the values, then we can slot it back into the equation and this will be:

= 4/3πr³

= 4/3 × 3.142 × 6³

= 4/3 × 3.142 × 216

= 904.32in³

Therefore, based on the calculation above, the volume of the globe is 904.32in³.

Read related link on:

brainly.com/question/633993

The formula for the volume of a sphere is 4/3 x 3.14 x radius^3
ince the diameter is 12, the radius would be half of it, or 6. So can you figure out 4/3 x 3.14 x 6^3?

The answer is 904.32

Lynn paid $12.21 for ribbon. The cost per yard was $1.48.How many yards of ribbon did Lynn buy?

Answers

Answer: Lyn bought 8.25 yards of ribbon.

Step-by-step explanation:

Given : Lynn paid $12.21 for ribbon.

The cost of ribbon per yard was $1.48.

Then by using division operation , the length of ribbon ( in yards) bought by Lyn is give by :-

$\$12.21\ / \$1.48=8.25$

Hence, the length of ribbon bought by Lyn =8.25 yards

i.e. Lyn bought 8.25 yards of ribbon.

If you divide $12.21 by $1.48 you will get 8.25 meaning Lynn bought 8.25 yards of ribbon

the mean of a set of data is 45 years. find the missing numbers in the data set 40, 45, 48, ? 54, ? 45. Explain the method or strategy you used

Answers

If the number is missing, it's safe to say we can turn it into a variable, because it is unknown. We'll call this variable u, which stands for "unknown". Now, think about this: Mean is all of the values added together divided the amount of values. We'll need to work backwards to find the number. To better see how, write out what we know so far:

(40 + 45 + 48 + u + 54)/5= 45. Why are we dividing by 5? Because there are 5 values you need to add together :)

Now what? Well, now, it's like a normal equation! Just solve for the variable "u"! :) First, combine like terms. Add all of the numbers you know together. You should get this:

(187+u)/5=45
What do you do first? Ask the order of operations! Order of operations says multiplication and division come before addition and subtraction, so we have to get rid of that /5 in the equation. How do we do this? We use inverse operations. What's the opposite of division? Multiplication! However, whatever you do to one side of the equation, you must do to the other. Multiply both sides by 5. ((187+u)/5)*5... Do you see how the /5 and the *5 cancel out? On that side, you're left with 187+u. For the other side, =45, you also need to multiply by 5. 45*5=225.
Now, you're left with 187 + u = 225. What next? This is a basic equation; subtract 187 from both sides; 187-187 is 0, and 225 - 187 is 38. 0 + u =38 is what you get. Of course, that's just u=38. Wait.... didn't "u" stand for "unknown"? That means that 38 is your missing value! You've found the answer!

A square patio has an area of 197 square feet how long is each side of the patio to the nearest 0.05

Answers

$A = s^2 \n\ s = √(A) \n\ s\approx 14.04 \n\ \boxed{14.04}$

Sean mows lawns in the summer. He charges the same fixed amount for each lawn that he mows. As of today , he has earned $36 after mowing 3 lawns. a. Create an input -‐ output table using the headings “Number of lawns mowed” for the input and “Amount of money in dollars” for the output. Fill in the appropriate values for Sean’s current situation. Then fill in several other rows of information that fit the situation. For example, what if Sean has mowed 8 lawns? 12 lawns?

Answers

Step-by-step explanation:

Well we won't give you the table, but it's pretty easy. It's a fixed rate so you know he charges the same thing every time. 36 / 3 = 12

So if he mows the lawn and gets paid $12 each time, you can multiply everthing in your x input to get your y output. So for x = 8 your y output would be y = 96 because 12 * 8 = 96

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