I need help with one more of these.

Mathematics

2 answers:

alex41 [277]3 years ago

8 0

XZ= YZ

Pythagorean theorem
A^2 + B^2= c^2

So

14^2 + 3^2= c^2

196 + 9 =c^2

205 = c^2

Square root of 205 = 14

Therefore
XZ=YZ

nataly862011 [7]3 years ago

6 0

I think it is yz but I and not completely sure

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Seventh grade

aleksandrvk [35]

Answer:

2.8 hours

Step-by-step explanation:

36.68 / 13.1 = 2.8

7 0

2 years ago

Solve the system of linear equations. separate the x- and y- values with a coma.

Katarina [22]

The Answer is x=7, y=6

Solve the following system:
{14 x - 4 y = 74 | (equation 1)
{7 x - 7 y = 7 | (equation 2)
Subtract 1/2 × (equation 1) from equation 2:
{14 x - 4 y = 74 | (equation 1)
{0 x - 5 y = -30 | (equation 2)
Divide equation 1 by 2:
{7 x - 2 y = 37 | (equation 1)
{0 x - 5 y = -30 | (equation 2)
Divide equation 2 by -5:
{7 x - 2 y = 37 | (equation 1)
{0 x+y = 6 | (equation 2)
Add 2 × (equation 2) to equation 1:
{7 x+0 y = 49 | (equation 1)
{0 x+y = 6 | (equation 2)
Divide equation 1 by 7:
{x+0 y = 7 | (equation 1)
{0 x+y = 6 | (equation 2)
Collect results:
Answer: {x = 7
{y = 6

P{lease note the brackets are supposed to go over both equations but I haven'y been able to find a way to make it work, see attachment.

7 0

3 years ago

Ari borrowed $2000 and paid it back over 3 years. The simple interest rate was 2% annually. How much interest did ari pay over t

sukhopar [10]

If the interst rate is 2% per year and she paid it back after 3 years , it means she paid an extra 6% of $2000 just in interests.

Now we just need to find how much 6% is and add to 2000.

to discover the value of 6% of 2000 we can divide it by 100 ( to find 1%) and then multiply it by 6 ( to find 6%) :

2000 ÷ 100 = 20
1% = 20
6% = 20 × 6
6% = 120

Now add 120 to 2000 to find out how much she paid in total:
2000 + 120 = 2120

Awnser : She paid the total of $2120 over 3 years

I hope you understood my brief explanation. And please consider marking this awnser as Branliest. Thank you ! :)

6 0

3 years ago

What is 8/20 in decimal form?

IgorC [24]

8/20 in decimal form is
0.4

4 0

3 years ago

Read 2 more answers

Is the relationship between the values in each table an inverse variation?

horsena [70]

Answer: No

Step-by-step explanation: