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ICE Princess25 [194]
3 years ago
9

Which math sentence can be used to determine if this triangle is a right triangle? 20+21 = 2920 squared +21 squared equals 29 sq

uared 29+21 = 29 squared +21 squared equals 20 squared

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
4 0

Answer:

Step-by-step explanation:

The two smaller line lengths are squared separately and added. The square of the third line is noted. If squares of the two small ones equal the square of the largest one, you are working with a right angle triangle.

The one that puts into a formula what is stated above is B. D is close, but the longest line must be by itself.

Alja [10]3 years ago
3 0

20^2+21^2=29^2 can be used to determine if the triangle is a right triangle

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Kristin bought a quart for $3.80. How much does the yogurt cost per cup?
Pavlova-9 [17]

Answer:

Your answer is $0.95 per cup

Step-by-step explanation:

You find out how many cups are in a US quart, four cups

Then you divide $3.80 by 4, which is $0.95.

4 0
3 years ago
Delete AC and focus on the intersection of AB and BC. Keeping points B and C fixed, move point A to different locations
Amanda [17]

The image of the triangles are missing and so i have attached it.

Answer:

Explained below.

Step-by-step explanation:

If we delete line AC in the diagram, we are left with line AB and BC.

Now, we are told to leave points B and C fixed.

Now, if we move Point A to different locations, ∠ ABC will increase or decrease depending on the new location that point A is put.

Lastly, if we move Point A to a point on line CB, it means ∠ABC = 0° because it isn't subtended at any angle at all.

3 0
3 years ago
How to convert 25.12% into a fraction of 10,000
scZoUnD [109]

Answer:

25.12/100

Step-by-step explanation:

Percent means per hundred, so 25.12 percent means 25.12 per hundred. Thus, you can make 25.12 the numerator and 100 the denominator, and make 25.12 percent a fraction like this:

25.12/100

4 0
2 years ago
2900 dollars is placed in an account with an annual interest rate of 9%. How much will be in the account after 13 years, to the
mr_godi [17]

Answer:

$8,890.83

Step-by-step explanation:

To find the answer we have to use this equation:

A = P(1 + r)^t

A = The total amount

P = The initial amount

R = The interest rate

T = Time

Given in the question:

A = ?

P = 2,900

R = .09

T = 13

Plug it into the equation and solve:

A = 2900(1 + .09)^1^3\\A = 2900(1.09)^1^3\\A = 2900(3.065804612)\\A = 8890.83

Therefore, after 13 years there will be $8,890.83 in the account.

<em>I hope this helps!!</em>

<em>- Kay :)</em>

7 0
3 years ago
Alison is learning how to walk. 50% of the time that she takes a step she falls down. Her older brother wants to design a simula
MissTica

Answer with explanation:

Alison is learning how to walk.50% of times she takes a step she falls down.

Probability of falling down in next step =\frac{50}{100}=\frac{1}{2}

Probability of not falling down in next step =\frac{50}{100}=\frac{1}{2}

From ,the four option given,we have to find the best simulation which her older brother wants to design a simulation to find the probability that she will fall down 5 out of the next 7 times she tries to take step.

While Simulating the Probability of falling down should be =\frac{5}{7}

And , probability of not falling down1-\frac{5}{7}=\frac{2}{7}

→→⇒F=Falling, NF=Non Falling

A) Roll a die letting 1 represent Alison falling and 2-6 represent Alison not falling. Roll the die five times.

P(F)=\frac{1}{6},P(NF)=\frac{5}{6}

Incorrect option,probabilities of falling and non falling does not match with Actual probability of falling and non falling.  

B) Roll a die letting 1 represent Alison falling and 2-6 represent Alison not falling. Roll the die seven times.

P(F)=\frac{1}{6},P(NF)=\frac{5}{6}

Incorrect option,probabilities of falling and non falling does not match with Actual probability of falling and non falling.

C) Let Heads represent Alison falling down and Tails representing Alison not falling down. Flip the coin five times.

P(F)=\frac{1}{2},P(NF)=\frac{1}{2}

Simulation is done only five times , that is coin has been flipped only five times.it must have been flipped seven times.Incorrect option.  

D) Let Heads represent Alison falling down and Tails representing Alison not falling down. Flip the coin seven times.

P(F)=\frac{1}{2},P(NF)=\frac{1}{2}

Simulation is done seven times , that is coin has been flipped seven times.So,she should fall 5 times that is head should appear 5 out of seven times, and tail should appear 2 out of seven times.correct option.

Option D

4 0
4 years ago
Read 2 more answers
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