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ladessa [460]
2 years ago
15

Which sets represent the measurements of a right triangle

Mathematics
1 answer:
spayn [35]2 years ago
7 0

Answer:

I think D

Step-by-step explanation:

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PLZZZHELP <br> ill mark brainliest
ludmilkaskok [199]

Answer:

y=\frac{x+2}{4} or y = 0.25x + 0.5

Step-by-step explanation:

You need to try change the subject from x to y.

x = 4y - 2

We first move -2 to the left, making the equation

x + 2 = 4y i.e.

4y = x + 2

We then divide both sides by 4.

y=\frac{x+2}{4} or y = 0.25x + 0.5

We now have successfully made y the subject, and effectively solving the equation.

3 0
3 years ago
Please help <br>cos40∘=sin(x+30∘)​
iVinArrow [24]

Answer:

x = 20 degrees.

Step-by-step explanation:

cos40∘=sin(x+30∘)​

sin (x + 30) = 0.766

x + 30 = arcsin 0.766 = 50

x = 50 - 30 = 20.

5 0
2 years ago
Read 2 more answers
Can someone explain this I dont understand it
IrinaVladis [17]
Y = mx + b

m is your slope AKA rate of change
b is the y intercept.

from the graph we can see that the y intercept (b) is 15. (look at the y axis and see what point the line crosses on the y, here it is 15, in-between 10 and 20)

slope is rate of change. to figure this out remember slope = rise over run:

slope = \frac{rise}{run}

so pick two points. how much does one point rise after the other point you picked? In the graph it rises 1 square so rise = 1

Now looking at the same two points, how far away from each other are they on the x axis? Looking at the graph they are 2 squares away from each other. so run = 2

Now plug these numbers into the rise over run formula:

slope \: = \frac{1}{2}

Now we have everything we need to put into our formula for a line:

y = mx + b
y = \frac{1}{2} x + 18

For number 16 you should get:

y = \frac{1}{5} x + 3

after you do the same steps again yourself
8 0
3 years ago
HELP!!!<br> 31) Find the measure of line segment DF.<br> A) 12<br> B) 13<br> C) 14<br> D) 15
oksian1 [2.3K]

Step-by-step explanation:

for the relationship of lengths of internal chords the product of both segments of a chord is equal for all intersecting chords.

in our case

(x+8)×8 = 7×16 = 112

8x + 64 = 112

8x = 48

x = 6

so, D-F = x + 8 = 6 + 8 = 14

so, C is correct

6 0
1 year ago
Please show your work for brainliest!!
Digiron [165]

Answer:

About 11.299 hours.

Step-by-step explanation:

To solve this problem, you can set up an equation to model the decay of the medicine. Let's call the time that medicine has been in the body x.

(1-0.0595)^x=0.5

0.9405^x=0.5

Taking the log x of both sides, you get

x=\log_{0.9405} 0.5

x\approx 11.299 hours. Hope this helps!

5 0
3 years ago
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