Complete these problems to review skills of the module (Will give 70 points)

Mathematics

2 answers:

bazaltina [42]3 years ago

7 0

2. 225
3. 65
and please vote brainliest

____ [38]3 years ago

6 0

2.
1/2 (15) (13 + 17)
1/2 (15) (30) (simplify 13 + 17)
7.5 (30) (multiply 1/2 and 15)
225 (multiply 7.5 and 30)

3.
1/2 (10) (9.4 + 3.6)
1/2 (10) (13) (simplify 9.4 + 3.6)
(5) (13) (multiply 1/2 and 10)
65 (multiply 5 and 13)

Hope this helped!

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An airplane travels 290 km between Austin and Dallas in 1 h 15 min. What is it’s average speed?

aniked [119]

The average speed of the plane between Austin and Dallas is 232 kmph

Solution:

Given that,

Total distance traveled by airplane = 290 km

Time taken for travel between Austin and Dallas = 1 hour 15 minute

Let us convert the time taken to hours

$\begin{array}{l}{1 \text { minute }=\frac{1}{60} \text { hours }} \\\\ {15 \text { minutes }=\frac{15}{60}=\frac{1}{4}} \\\\ {\text { 1 hour } 15 \text { minutes }=1 \frac{1}{4} \text { hours }=\frac{1 \times 4+1}{4}=\frac{5}{4} \text { hours }}\end{array}$