Answer:
D.
C.
Step-by-step explanation:
For the first question, you just need to think about what plus 1/2, or 2/4, equals 3/4. This would be D. or 1/4 because 1/4 + 2/4 = 3/4
For the second question, what number minus 4.4 gets you 13.2. This would have to be C. 17.6 since nothing else even makes sense
The area is the same, regardless of how you find it. It is the product of base length and height measured perpendicular to that base.
.. 15*8 = 10*AX
.. AX = 15*8/10 = 12
Answer:
0.7
Step-by-step explanation:
This one is simply pretty easy. the 7 in this is in the tenths place, and the 1 in this is in the hundredths place
√
6
⋅
√
15
=
3
√
10
Explanation: By radical laws,
√
a
⋅
√
b
=
√
a
b
.
Using this law:
√6⋅√15
=√90
√90 has 9, a perfect square, as one of its factors, so it can be simplified.
√90
=√9⋅10
=√9⋅√10
=3√10
