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3 years ago

Molly ran 2/3 of a mile in 8 minuets. How long will it take here to run one mile?

Mathematics

1 answer:

Montano1993 [528]3 years ago

5 0

It would take her 12 minutes

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Amare runs 1/10 mile in 2/3 minutes. What is his speed in miles per minute

liraira [26]

Answer:

6 2/3 minutes

Step-by-step explanation:

Amare runs 1/10 mile in 2/3 minutes

Therefore his speed in miles per minutes clean be calculated as follows

= 1/10, the denominator here is 10

= 10 × 2/3

= 20/3

= 6 2/3 minutes

3 0

3 years ago

Nadia is investigating rotations about the center of regular polygons that carry the regular polygon onto itself. She claims tha

GalinKa [24]

Answer:

$\theta_1 \ n\ \theta_2 = 120, 240$

Step-by-step explanation:

The question is incomplete, as the angles of rotation are not stated.

However, I will list the angles less than 360 degrees that will carry the hexagon and the nonagon onto itself

We have:

$Nonagon = 9\ sides$

$Hexagon = 6\ sides$

Divide 360 degrees by the number of sides in each angle, then find the multiples.

<u>Nonagon</u>

$\theta = \frac{360}{9} =40$

List the multiples of 40

$\theta_1 = 40, 80, 120, 160, 200, 240, 280, 320$

<u>Hexagon</u>

$\theta = \frac{360}{6} =60$

List the multiples of 60

$\theta_2 = 60, 120, 180, 240, 300$

List out the common angles

$\theta_1 = 40, 80, 120, 160, 200, 240, 280, 320$

$\theta_2 = 60, 120, 180, 240, 300$

$\theta_1 \ n\ \theta_2 = 120, 240$

This means that, only a rotation of $120, 240$ will lift both shapes onto themselves, when applied to both shapes.

The other angles will only work on one of the shapes, but not both at the same time.

7 0

3 years ago

Logans credit card bill indicates that he owes $470. Sends a check to the credit card company for $45 charges $160 in merchandis

insens350 [35]

$470-45+160-500= $630-545= $85. Logan still owes $85 :)

7 0

3 years ago

Three U.S coins add to $1 If one of them is not half a dollar what is the smallest value coin?

Svet_ta [14]

The smallest value is $0.25 (a quarter) because you can use two quarters and a half dollar. Only one of them can't be a half dollar, but the other two can be.

4 0

3 years ago

Que numero multiplicado por -8 da como resultado 72

Bumek [7]

Answer:

2×72 = 144

Step-by-step explanation:

¡Aquí puedes aprender todo sobre las multiplicaciones! HAGA CLIC PARA TWITTEAREntonces, la multiplicación 2 x 72 es una suma abreviada.

3 0

3 years ago