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dimulka [17.4K]
3 years ago
7

Which of these systems of equations has an infinite

Mathematics
1 answer:
zepelin [54]3 years ago
3 0

Answer:

B) -6c + 11d = 20

-5c + 8d = 22

Brainliest plz?

Hope this helps!

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Please help i am actually not to good at math
alukav5142 [94]

Answer:

I don't know the answer but I can give you a hint it has to be bigger than 60 and smaller than 110

6 0
3 years ago
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Simplify the exponential expression.
Sever21 [200]

Answer:

1

Step-by-step explanation:

Well you could use the exponential identity that: \frac{x^a}{x^b}=x^{a-b}

To determine: \frac{h^3}{h^3}=h^{3-3}

Which means that it's equal to: h^0

and since anything to the power of 0 (except 0) is equal to 1, then the value is 1.

But you can also just see that the numerator and denominator are the same exact value, and since dividing something by it self, results in 1, the answer must be 1, which is kind of a proof as to why h^0 = 1.

3 0
1 year ago
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stephen wakes up late and runs to catch the bus, his running speed is 4m/s, he gets to the bus stop in 2 minutes. how many metre
Basile [38]
<span>Given:
s=4m/s
t=2m
d=?

Convert
1min=60sec

2 min x 60 sec / 1min = 120 sec

d=vt
= 4m/s * 120s
=  480 m


Example:
The given terms here are: Distance = 150 km Time = 7200 s Speed =?   To express the speed in appropriate units, in this given we can simply kilometer to meter which is the SI unit for distance. Hence, we do the conversion first. </span><span><span>
1.    </span>Conversion</span><span> 150 km = m? 1 km = 1000 m   150 km x 1000 m / 1 km = 150, 000 m   </span><span><span>
2.    </span>To find speed, we drive the formula d = vt where v = velocity or speed to v= d/t</span> 
<span>V = d / t </span>
<span>V = 150, 000m / 7200 s </span>
<span>V = 20.83 m/s </span>

Hence, 20. 83 m/s is the speed.<span>
</span>

3 0
3 years ago
Read 2 more answers
13. Given that y varies as x^2 and that y = 36 when x=3, find:
saw5 [17]

Answer:

K=4

Y=16

X=4

Step-by-step explanation:

y = kx {}^{2}  \\ finding \: k \: when \:  y= 36 \: and \: x = 3 \\ 36 = k(3) {}^{2}  \\ 36 = 9k \\ dividing \: through \: by \: 9 \\  \frac{36}{9}  =  \frac{9k}{9}  \\ 4 = k \\ k = 4 \\ findnig \: y \: when \: x = 2 \\ y = 4(2) {}^{2}  \\ y = 4 \times 4 = 16 \\ finding \: x \: when \: y = 64 \\ 64 = 4 \times x  \\ 64 = 4x \\ dividing \: through \: by \: 4 \\  \frac{64}{4}  =  \frac{4x {}^{2} }{4}   \\ 16 = x {}^{2}  \\ square \: root \: bothsides \\  \sqrt{16}  = x {}^{2}  \\ 4 =  x \\ x = 4

3 0
2 years ago
A class planted 130 seeds. 52 seeds grew into plants. What percent of the seeds grew into plants?
Alexus [3.1K]

Answer:

40%

Step-by-step explanation:

52/130 =.4

.4 x 100=40

5 0
3 years ago
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