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kupik [55]
3 years ago
9

Chris wants to triple 63.374. He says it must end in 9. Is he correct? Explain your answer.

Mathematics
1 answer:
alukav5142 [94]3 years ago
4 0
He is wrong.  we are only looking at the last number which is 4
if we tripple 4 or 4*3 we get 12 which ends in 2, not 9

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Construct parallel gram ABCD in which AB=8cm,BC=5.3cm and ABC=60​
cupoosta [38]

Answer:

first construct the base of 5.3 cm(bc)

make an angle of 60° in B [ use protactor or compass]

then construct the AB of 8 cm

now measure AD 5.3 cm

join D and C

6 0
3 years ago
EVERY BLANKSHALLL BE ANWSERED
Alenkinab [10]

Answer:

0.8

Step-by-step explanation:

9(0.5y+0.4)=590.1y+1.3)+0.3

4.5y+3.6=0.5y+6.5+0.3

4.5y+3.6=0.5y+6.8

4.5y-0.5y=6.8-3.6

4y=3.2

y=0.8

7 0
2 years ago
So the surface area is for the figure itself, and I just need to find the height. Please help!! (Geometry problem)
Harman [31]
We need to cut it up and find the areas of each
ok so base=a^2
back sides are a^2 and a^2
total we have a^2+a^2+a^2=3a^2

we have now the 4 triangles, 2 of which are identical
the  identical triangles are the side ones which are base a and height 1/2a
area of triangle=1/2bh
so the areas of them are 1/4a^2, times 2 since 2 of those triangles, 1/2a^2

add
3a^2+1/2a^2=7/4a^2

now the very top triangle and the cut corner triangle

very top is legnth a and base a so 1/2 a^2 is area
add
3 and 1/2a^2+1/2a^2=4a^2

we also need the small rectangles on side which is 1/2a times a times 2 since 2 of them=a^2 so a^2+4a^2=5a^2
now to find the corner bit in terms of a
use some imagination and lines to find legnths, right triangles and hypotonuse
the very top side is a√2 (45,45,90 angle/triangle)
we need to find slant height which is (a√6)/2

now
area=1/2bh
area=((a^2)√3)

add that
5a^2+(a^2)√3=250.5
find a
undistribute the a^2
(a^2)(5+√3)=501
use divide both sides by (5+√3)
a^2=501/(5+√3)
take squaer root of both sides
a= aprox 8.6267094364168 in

I hope this is right (should be, but alot done in head so maybe incorrect or off)

8 0
3 years ago
Someone plz help me with this
egoroff_w [7]
1. 1/4,25%,.25
2. 50%,1/2,.50
3. 12/12,100%,1.0?
8 0
3 years ago
Please help!<br><br> Thanks
dsp73
From the given description, we can come up with the equations:

x<y
IxI>y

We can find the two numbers by guessing and checking:

If we plug in -5 for x and 3 for y, it satisfies both equations.
8 0
3 years ago
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