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trapecia [35]
3 years ago
7

GIVING 25 POINTS + BRAINIEST

Mathematics
1 answer:
Anastasy [175]3 years ago
4 0

It will take them 2 hours to make 12 batches of muffin

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On a map, 4cm=15km. If cities were 10cm apart on the map, how many km away are they in reality?
vovikov84 [41]

Answer:

the ratio is 4:15

what times 4 is 10? (10/4) 2.5 times 4 is 10.

10: 15*2.5

10:37.5

they are 37.5 km away in reality i hope this helped and i hope it is correct.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The graph of y = 1/2x^2 will be more narrow than the graph of the parent function, y = x²
Lana71 [14]
Using a graph tool
see the attached figure

the graph  y = 1/2x^2 will be more wider <span>than the graph of  y = x²
</span><span>because for the same value of x the value of y is smaller
</span><span>
therefore
the answer is false

</span>

4 0
4 years ago
What is the average rate of change for this quadratic function for the interval from x = 0 to x = 2?
myrzilka [38]
Answer is b hope this helps
7 0
3 years ago
PLEASE ANSWER ASAP ILL GIVE BRAINLIEST!!!’
LuckyWell [14K]

Answer:

d.  So y = 10 (.5)^x   the 10 is the initial amount of the sample at the time  it was discovered

Step-by-step explanation:

When we have an equation of the form

y = ab^x

a is the initial value at time x=0

b is the growth (or decay ) factor  ( 1 + or - percent)

and x is the time

So y = 10 (.5)^x   the 10 is the initial amount of the sample at the time  it was discovered


5 0
3 years ago
If a seed is planted, it has a 95% chance of growing into a healthy plant. If 7 seeds are planted, what is the probability that
denpristay [2]

Answer:

\frac{51998079}{1280000000} or around 0.0406

Step-by-step explanation:

We need to choose 2 seeds that will not grow - there's

7 * 6 / 2 = 21 possibilities (choose one, chose second one, divide by 2 because each choice was counted twice).

The probability of each of those possibilities happening is:

(5\%)^2 * (95\%)^5 = \frac{2476099}{1280000000}

because two need to fail to grow and the rest need to grow properly.

The full probability is

\frac{51998079}{1280000000}

7 0
3 years ago
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