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Eduardwww [97]
2 years ago
5

Help please............

Mathematics
1 answer:
Burka [1]2 years ago
4 0

Answer:

8$

Step-by-step explanation:

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I need help with this as well
cupoosta [38]
<span>n 19 -----------> AB/AC=(4/6)=2/3<span>

n 20 ------------> BC/CD=[AC-AB]/[AD-AC]=(6-4)/(9-6)=2/3

n 21-------------> BD/AE=[AD-AB]/[AE]=(9-4)/(12)=5/12

n 22   7 and 28  find the geometric mean of the two number
step 1
Multiply the two numbers together: 
28*7=196 
step 2
take the square root: 
<span><span>sqrt(196)=14 
</span>the answer is 14</span>

n 23  Simplify the ratio 10 ft/30 in---> divided between 2 both members
5 ft/15 in-----> divided between 5 both members ---> 1 ft/3 in</span><span>

n 24 
<span>if AB=4 -------></span></span> AB~FG
</span><span>FG=8<span>
then
</span></span>AB*factor=FG-------- > 4*factor=8-- > factor=8/4=2
the figure ABCDE is half of the figure FGHJK
then<span>
BC=4
AE=CD=5
and 
ED=6
therefore
<span>the perimeter=[4+4+5+5+6]=24 units</span></span>
4 0
3 years ago
A car travels at 15 m/s for 10 s. It then speeds up with a constant acceleration of 2.0 m/s2 for 15 s. At the end of this time,
jekas [21]
V o = 15 m/s,  a = 2 m/s²,  t = 15 s
v = v o + a · t
v = 15 m/s + 2 m/s² · 15 s = 15 m/s + 30 m/s = 45 m/s
Answer: A ) 45 m/s 
6 0
2 years ago
Chelsey is repairing her iPad and needs to tighten a screw that holds the battery in. She tried a 3/4 mm screwdriver, which was
LUCKY_DIMON [66]

Answer:ask Siri

Step-by-step explanation:

But it is 8mm

7 0
3 years ago
Read 2 more answers
Need Help Fast!!!!<br> Will Mark Brainlist!!!!<br> Will Rate!!!!<br> 9th Grade Honors Geometry
svetoff [14.1K]

Answer:

The Correct Answer is 4!

Step-by-step explanation:

We know on triangle 1 that 2 of the sides are 2 and 4 and there a right angle, an angle that has 90 degrees

with this we can calculate the top angle to be 26.565 which combined on both sides is equal to 90, lust you will then have to subtract 90 minus 26.565 and you will get 63.435. Now that we know than the top angle is equal to 63.435, the 2nd angle is equal to 90 degrees which by the way resembles a right angle, and that 1 side of the 3 sides is 2 we can conclude though the triangle formula that...

X=4.

That's it Hope I Helped.

7 0
3 years ago
Read 2 more answers
What are all the rational roots of the polynomial f(x) = 20x4 + x3 + 8x² + x - 12?
Hitman42 [59]

Answer:

All the rational roots of the polynomial f(x) = 20x4 + x3 + 8x2 + x - 12 are 3/4 and -4/5.

4 0
1 year ago
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