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-Dominant- [34]
3 years ago
14

In 10 minutes, a heart can beat 700 times. At this rate in how many minutes will a heart beat in 140 times. At what rate can a h

eart beat
Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
5 0
I think 2.3 minutes
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Lynne was making cookies and she
fomenos

Answer:

11/2is the answer hope it helps

8 0
2 years ago
Solve the following system y=-2 -2x-7y=24
Dafna1 [17]

Answer:

x = -5

y = -2

Step-by-step explanation:

<em><u>Since you have y, plug that into the equation:</u></em>

-2x - 7y = 24

-2x - 7(-2) = 24

-2x + 14 = 24

<u><em>Then, subtract 14 from both sides:</em></u>

-2x + 14 = 24

      - 14   - 14

__________

-2x = 10

<u><em>Finally, divide both sides by -2:</em></u>

-2x = 10

x = -5

So now you have, x = -5 and y = -2.

6 0
3 years ago
At the local grocery store, q 16-ounce bottle of Apple juice costs $3.20. What is the cost of the Apple juice per ounce?
galben [10]
16q= 3.20
÷16 on both sides
and you get .20 cents per ounce.
6 0
2 years ago
X:y = 9:7 Form an equation that links x and y
sleet_krkn [62]

Equations are expressions with equal values

The equation that links x and y is 7x = 9y

<h3>How to determine the equation</h3>

The ratio is given as:

x : y = 9 : 7

Express the ratio, as a fraction

\frac xy = \frac 97

Cross multiply

7 *x = 9 * y

Evaluate the product

7x = 9y

Hence, the equation that links x and y is 7x = 9y

Read more about equations at:

brainly.com/question/7784687

6 0
2 years ago
O || u find the measure of &lt; 3?
Fudgin [204]

Answer:

vertical angles

∠1 and ∠3 are vertical angles. Their measures are equal, so m∠3 = 90 . ∠1 and ∠2 are supplementary.

Step-by-step explanation:

Remember in every triangle, the sum of the angles adds to 180 degrees. So let us call the smallest angle's measure "A". The largest angle is 3A and the third angle is A+10. So A + 3A + (A + 10) = 180.

8 0
2 years ago
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