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3 years ago

If you studied “the world in spatial terms” as a geographer, what would you most likely focus on?

Mathematics

1 answer:

arlik [135]3 years ago

3 0

Answer:

A.) What natural environments are in an area

Step-by-step explanation:

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The Target heart rate for fit person of age a exercising at p percent of his or her heart rate is determined by the expression 1

natita [175]

Answer: 9p - 1.5a

Step-by-step explanation:

Your maximum heart rate is about 220 minus your age. But it varies base on age category.

Target heart rate during moderate intensity activities is about 50-70% of maximum heart rate.

According to the question;

Target heart rate for

women = 1/2p(418-4a)

= 209p - 2a ....... (1)

men = 1/2p(400-a)

= 200p - 0.5a .......(2)

To find the difference between the target heart rates for a fit woman and a fit man, take equation 1 from equation 2

(209p - 2a) - (200p - 0.5a)

209p - 2a - 200p + 0.5a

9p -1.5a

7 0

4 years ago

Choose the ratio below that is equivalent to the greatest fraction

Mumz [18]

Ratio 5:2 as fraction should be 5/2

as you know 5/2 = 2.5

This is the biggest compared to 9/5, 8/5 and 2/7

9/5 < 2
8/5 <2
2/7 < 1

so 5/2 is greatest

7 0

3 years ago

If the endpoints of AB are A(-1,3), B(7,-1) What is the coordinate of the midpoint M

Kay [80]

Answer:

Step-by-step explanation:

bbbnm

3 0

3 years ago

What is the difference in the area of a circle with diameter 4m and a circle with diameter 6m?

nordsb [41]

Answer:

The difference between the area of the two circles is 15.7m

Step-by-step explanation:

I swear these be helping me with the CIEs coming up in May xD

Okay so the formula for a circle is $\pi r^2$

The diameter is the double of the radius so

Cirlce A has a diameter of 4m so a radius of 2m

$\pi 2^{2}$

$\pi4$

$12.57m$

Circle B has a diameter of 6m so a radius of 3m

$\pi 3^2$

$\pi 9$

$28.27m$

To find the difference subtract 12.57 from 28.27

$28.27-12.57\\=15.7$

The difference between the area of the two circles is 15.7m

Hope this helps, if you still need help just comment :)

5 0

3 years ago

Which of the following points is not collinear with (3, 6) and (-2, -9)?

Lilit [14]

Its B, cause it’s collinear

5 0

3 years ago

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