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padilas [110]
3 years ago
15

15 points and BRAINLIEST

Mathematics
2 answers:
loris [4]3 years ago
3 0
They all are 0 why
Mrrafil [7]3 years ago
3 0

Answer:

0 ≤ x ≤ 8.8

Step-by-step explanation:

8.8 • 2.5 = 22 so I think 8.8 is the answer because the other options don’t make sense when multiplied by 2.5.

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Help!!<br> With this question <br> Please
Sedbober [7]
<h2>Answer:</h2>

<u>The length is</u><u> 250 meters</u>

<h2>Step-by-step explanation:</h2>

If we look at the left corner of the diagram we see a scale. According to the scale factor of the map

1 cm :1000 cm

The length of the lap on the map is 25 cm

So (25 × 1000) = 25000 cm

Since

1 meter = 100 centimeter

So the actual length of the lap = 25000 ÷ 100 = 250 meters

3 0
3 years ago
Read 2 more answers
A 10 bit string is to be randomly picked from all possible 10 bit strings. What is the probability that you picked a string with
allochka39001 [22]

Answer: 0.9990

Step-by-step explanation:

Given : The number of bits in a string = 10

The value taken by a bit is either 0 or 1.

Therefore, the probability that the bit is zero = \dfrac{1}{2}=0.5

Binomial probability distribution formula :-

P(x)=^nC_xp^x(1-p)^{n-x}, where P(x) is the probability of getting success in x trials , n is the total number of success and p is the probability of getting success in each trial.

Now, the probability that you picked a string with at least one zero is given by :-

P(x\geq1)=1-P(z

Hence, the  probability that you picked a string with at least one zero = 0.9990

4 0
3 years ago
What is the length of the diagonal AC in the rectangle below?
EleoNora [17]
Find lengths of BC and DC.

Then use Pythagorean Theorem to find BD (the hypotenuse of right triangle DCB). So Pythag here would be:

BC^2+DC^2=BD^2

See attached picture for full work.

8 0
3 years ago
Read 2 more answers
What I the range of f(x)=4^x?
nignag [31]

Answer:

We conclude that the range of the function is 'all positive real numbers'.

Thus, option (A) is true.

Step-by-step explanation:

Given the expression

f\left(x\right)=4^x

Determining the domain:

The domain of a function is the set of input values for which the function is real and defined.

It is clear that the given function has no undefined points nor domain constraints.

Therefore, the domain is: -∞ < x < ∞

Thus,

\mathrm{Domain\:of\:}\:4^x\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:-\infty \:

Determining the range:

The range is the set of values of the dependent variable for which a function is defined.

We know that the range of an exponential function of the form

c\cdot \:n^{ax+b}+k\:\mathrm{is}\:\:f\left(x\right)>k

k=0

In other words, the range is all positive real numbers.

Thus,

\mathrm{Range\:of\:}4^x:\quad \begin{bmatrix}\mathrm{Solution:}\:&\:f\left(x\right)>0\:\\ \:\mathrm{Interval\:Notation:}&\:\left(0,\:\infty \:\right)\end{bmatrix}

Therefore, we conclude that the range of the function is 'all positive real numbers'.

Thus, option (A) is true.

8 0
3 years ago
Sara's Savings account balance change by -$34 one week and by -$67 the next week. Which amount represents the greater change
vagabundo [1.1K]
-$34 because -$34 is closer to zero than -$67. The numbers, if they are closer to zero, then they are bigger.
4 0
4 years ago
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