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4 years ago

Ann ran 5-kilometers race in 25 minutes

1 answer:

8 0

Im not sure what u are asking for but u can multiply5 kilometers by 25 min but if u are doing the rate then divide 5 by 25 giving u 5 kilometers for every minut that passes
Pls give me brainliest

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Solve for y 9y + 4=7y + 12

Genrish500 [490]

Answer:

Y = 4

Step-by-step explanation:

9×4+4=40

7×4+12=40

4 0

3 years ago

Read 2 more answers

Mhanifa please help :( no one has helped me on this yet

VMariaS [17]

Answer:

16)

q / 12 = sin 20
q = 12 sin 20
q = 4.1

p / 12 = cos 20
p = 112 cos 20
p = 11.3

17)

x / 44 = tan 39
x = 44 tan 39
x = 35.6

35.6 / y = sin 39
y = 35.5 / sin 39
y = 56.4

18)

14 / b = sin 57
b = 14 / sin 57
b = 16.7

a / 16.7 = cos 57
a = 16.7 cos 57
a = 9.1

3 0

3 years ago

This is really confusing

sertanlavr [38]

Answer:

a. Diego

b. Lin

Step-by-step explanation:

a. Diego

b. Lin

It's pretty easy just do some subtraction.

Actually look and pay attention in class this is like grade 1 math.

7 0

3 years ago

Read 2 more answers

9 cm ÷ 10 = how many mm

Ad libitum [116K]

9 cm = 90 mm

90 mm / 10 = 9 mm

Hope this helps!

8 0

3 years ago

Find the distance along an arc on the surface of the earth that subtends a central angle of 6 minutes (1 minute = 1/60 degree).

bazaltina [42]

Answer:

6.914miles (to 3 decimal places)

Step-by-step explanation:

Length of an arc = θ/360 *2πr

angle subtended by arc at the center of the earth = 6 minutes

1 minute =1/60 degree

6 minute= 6/60 degree =0.1°

θ=0.1°

radius of earth = 3960 miles

distance along the arc = $\frac{0.1}{360}*2\pi *3960$

=6.9142857143miles

3 0

3 years ago