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lions [1.4K]
2 years ago
12

At what at speed was jo walking for the first 30 minutes?

Mathematics
1 answer:
Aleksandr [31]2 years ago
5 0

Answer:

6 km/hr

rested 10 minutes

Step-by-step explanation:

3 km/0ne half hour = 6 km/hr

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Please help. This is summer homework that's due in 2 days!
iVinArrow [24]
Split the surface area into geometric shapes as shown in the figure below.

Top part
The area of one triangle is
A₁ = (1/2)*(10 cm)*(4 cm) = 20 cm²
There are 3 of these triangles.

Vertical sides..
The area of one vertical side is
A₂ = (10 cm)*(6 cm) = 60 cm²
There 3 of them.

Bottom part
The triangle is equilateral with each side  = 10 cm, and each angle = 60 deg.
The area is (from the Law of Sines)  equal to
A₃ = (1/2)(10 cm)*(10 cm)*sin(60) = 43.3 cm²

The total surface area is
3A₁ + 3A₂ + A₃
= 3*20 + 3*60 + 4.3
= 283.3 cm²

Answer: The surface area is  283.3 cm²

4 0
3 years ago
In the number 5.3779, how does the value of 7 in the hundredths place compare to the value of the 7 in the thousandth place?
anygoal [31]

Answer:

  (b)

Step-by-step explanation:

The hundredths place is immediately to the left of the thousandths place. In our base-10 number system, moving a digit to the left one place increases its value by a factor of 10.

The value of 7 in the hundredths place is 10 times the value of 7 in the thousandths place.

6 0
2 years ago
Pls answer this!!!!!!
jeka94

Answer:

Yes, because the total will be 51.50.

Step-by-step explanation:

3.75x3+6.50x4+14.25=51.50

4 0
2 years ago
Read 2 more answers
HELP BRAINLIEST FOR. CORRECT AND ALL ANSWERED ANSWER
SpyIntel [72]

Answer:

1. 6/7

2. 1/2

3. 7/10

4. 39/40

5. 15/28

6. 3/10

7. 7/12

8. 1/6

9. 5/12

10. 1/8

 Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
-9 - (-7) = ?<br><br> Someone please explain
castortr0y [4]
-9-(-7)
-9+7=-2
....:,.,
3 0
3 years ago
Read 2 more answers
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