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Gennadij [26K]
3 years ago
13

During her morning run Olivia’s heart beats 330 times in 3 minutes. Enter the number of beats Olivia’s heart would have in 4 min

utes at this rate.
Mathematics
2 answers:
iogann1982 [59]3 years ago
8 0

Answer:

440

Step-by-step explanation:

if you divide 330 by 3 that would be 110 in 1 minute so multiply that by 4 and you get 440

Fiesta28 [93]3 years ago
6 0

Answer:

440 beats

Step-by-step explanation:

330/3 = 110 beats per minute

110 * 4 = 440

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The diameter of a circle is 8 ft. Find the circumferenceto the nearest tenth.
AURORKA [14]

Answer:

25.1 ft

Step-by-step explanation:

To solve for circumference is pretty simple. Just use the equation 2pi r (r=radius, radius is diameter divided by 2).

So essentially, apply to your calculator:

2(3.14)4=25.12

pretty simple! hope this helps!

6 0
3 years ago
A couch that regularly sells for $450<br> was discounted by 30% off.
vaieri [72.5K]

Answer:

The price after the discount would be $315.

8 0
3 years ago
(see image for question)
almond37 [142]

Answer:

Hans has done a mistake in the second step.

The correct answer is:

5x^2+13x-6=0

5x^2+15x-2x-6x=0 - 5. -6=-30 -30=15. -2

5x(1+3x)-2x(1+3x)=0

(5x-2x)(1+3x)=0

5-2x=0 1+3x=0

x=5/2 x=-1/3

4 0
2 years ago
Wat is 10,000 more than 6,310
ziro4ka [17]
To find 10,000 more than 6,310, you add; so the answer is 16,310
3 0
3 years ago
Pls help me i will mark brainliest if you are right !
tekilochka [14]

Answer:

second option

Step-by-step explanation:

diameter= 22 cm

radius = diameter/2

=22/2

11 cm

volume of a sphere = \frac{4}{3}*pie* r^3

=\frac{4}{3} * 3.14 *11^3

=4.186666 * 1331

=5572 . 5 cubic centimeters (cm^3)

5 0
3 years ago
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