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Anastaziya [24]
3 years ago
8

If JO = 32, is triangle JKO is congruent PMN to triangle ? If so, find JN.

Mathematics
1 answer:
TiliK225 [7]3 years ago
8 0
It is true that they are congruent.
Side JK and PM are congruent to each other
JK = 25 
PM is divided into two measurements=19 and 6.
So PM is 19 + 6 = 25
Therefore JK = PM
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Kevin can travel 22 1/3 hour.what is his average speed in miles per hour
katrin2010 [14]
66 mph and if it was 22 1/2 like my question was it would be 67.5 mph.
3 0
3 years ago
For the line = 36.5 + .48x, how do you interpret the value .48?rnrm.gif A. It's the amount of change in y when x increases by on
Xelga [282]

Answer:

A. It's the amount of change in y when x increases by one unit

Step-by-step explanation:

For this case we have the following linear model adjusted:

\hat y = 36.5 +0.48 x

Where y is the dependent variable, x the independent variable, 36.5 represent the intercept and 0.48 the slope.

We can analyze one by one the options to select the most appropiate.

A. It's the amount of change in y when x increases by one unit

True, for this case the slope is defined as:

m =0.48 \frac{\Delta y}{\Delta x}

And is defined as the amount of change in y when x increase 1 unit.

B. It's the value of y when x = 0

False the value of y when x=0 is y= 36.5+0.48(0) = 36.5

C. It's the value of x when y = 0

False, when y=0 we have this:

0=36.5 +0.48 x

x= -\frac{36.5}{0.48}=-76.04

D. It's the mean of the distribution for the response variable (y) around the explanatory variable (x)

False, the value 0.48 represent the slope obtained from an estimation of least squares and not represent the mean for the response variable y.

E. It's the amount of change in x when y increases by one unit.

False, is defined inverse as: the amount of change in y when x increase 1 unit.

4 0
3 years ago
Please help me. Ion understand.
larisa86 [58]

Answer:

C

Step-by-step explanation:

use SOH-CAH-TOA

sine= opposite/hypotenuse

cosine=adjacent/hypotenuse

tangent= opp./adj.

so that mean <JMK= 3/6 = 1/2

4 0
3 years ago
Ruth has a beaker containing a solution of 800 mL of acid and 200 mL of water. She thinks the solution is a little strong, so sh
Alexeev081 [22]

Answer:

Step-by-step explanation:

Ok so the beaker is 200 water:800 acid

So she drains 100 from the acid and 100 from the water which equals

100:700

Then she adds 200 water:

300:700

there is 300 mL water in da beaker now

i might got it wrong tho

5 0
3 years ago
Sean has a collection of coins. One tenth of the coins are from Europe. Thirty-two hundredth are from Asia. The rest are from Af
Tema [17]
Lets write each part, the total will be x:
(1/10)x = Europe
3200 = Asia
x - <span>(1/10)x - 3200 = Africa

Europe + Asia = </span><span>(1/10)x + 3200 = x/10 + 3200
= (320x + 1)/3200
that would be expressed as a fraction, and depends on the total of coins, x</span>
7 0
3 years ago
Read 2 more answers
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