Answer:
The number is 11.
Step-by-step explanation:
Answer:
4.2mm
Step-by-step explanation:
This are two similar triangles.
Comparing the two:
8/3 = (7+x)/x
Cross multiplying
8x = 3 (7+x)
8x = 21 + 3x
8x - 3x = 21
5x = 21
Dividing by 5
X = 21/5
X = 4.2mm
Answer:
5/8
Step-by-step explanation:
To write
−
1
4
as a fraction with a common denominator, multiply by
2
2
.
x
=
7
8
−
1
4
⋅
2
2
Write each expression with a common denominator of
8
, by multiplying each by an appropriate factor of
1
.
Tap for more steps...
x
=
7
8
−
2
8
Combine the numerators over the common denominator.
x
=
7
−
2
8
Subtract
2
from
7
.
x
=
5
8
Answer:
-2
Step-by-step explanation:
We usually start measuring the height from the ground, so basically the positive direction is above the ground, for example 2 is the best number which represents 2m above the ground.
So the negative sign represents the depth below the ground.
Add 48, 38, and 12 together to get your answer
