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kolbaska11 [484]
3 years ago
8

Complete the equations bellow.

Mathematics
1 answer:
Step2247 [10]3 years ago
7 0
What equations? Explanation:
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Round to the nearest hundredth. Express 160 pounds in kilograms
Marrrta [24]

Answer:

72.57 kg

Step-by-step explanation:

1 pound = .453592 kg

1 * 160 = 160 pounds

.453592 * 160 = 72.5748 kg

5 0
3 years ago
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Help me again, Last question!
storchak [24]

Answer:

C

Step-by-step explanation:

Area of a parallelogram = base times height.

The base is 14 and the height is 3, you just have to rotate the figure.

A = 14 * 3 = 42 square feet

3 0
2 years ago
Which number is not the square of a whole number A: 100
abruzzese [7]
10^10 = 100
20^2 = 400
29^29 = 841
28^28 = 784
5 0
3 years ago
At time t ≥ 0, the velocity of a body moving along the s-axis is v = t² -5t +4. When is the body moving backwards
katovenus [111]

Answer:

A

Step-by-step explanation:

The velocity of a moving body is given by the equation:

v=t^2-5t+4 ,\, t\geq0

Is the velocity is <em>positive </em>(v>0), then our object will be moving <em>forwards</em>.

And if the velocity is negative (v<0), then our object will be moving <em>backwards</em>.

We want to find between which interval(s) is the object moving backwards. Hence, the second condition. Therefore:

v

By substitution:

t^2-5t+4

Solve. To do so, we can first solve for <em>t</em> and then test values. By factoring:

(t-4)(t-1)=0

Zero Product Property:

t=1, \text{ and } t=4

Now, by testing values for t<1, 1<t<4, and t>4, we see that:

v(0)=4>0,\, v(2)=-20

So, the (only) interval for which <em>v</em> is <0 is the second interval: 1<t<4.

Hence, our answer is A.

7 0
3 years ago
To increase an amount bu 17.5%what single multiplier would i use ?
-Dominant- [34]
That would be 1.175  Answer
3 0
3 years ago
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