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Charra [1.4K]
3 years ago
15

The triangles are similar. What is the value of x? Enter your answer in the box. X=

Mathematics
1 answer:
Aleks04 [339]3 years ago
4 0

Answer:

x=16

Step-by-step explanation:

5times 4=20

3times 4=12

4times 4=16

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HELP. GIVING BRAINLIST. BRAINLIST. DONT MESS AROUND PLEASE IM DESPERATE.
alisha [4.7K]

Answer:

make me brain list

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Step-by-step explanation:

7 0
3 years ago
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the
Vedmedyk [2.9K]

Answer:

416025

Step-by-step explanation:

For confidence interval of 99%, the range is (0.005, 0.995). Using a z-table, the z-score for 0.995 is 2.58.

Margin of error = 0.2% = 0.002.

Proportion is unknown. So, worse case proportion is 50%. p = 50% = 0.5.

\\ n = \left(\frac{\texttt{z-score}}{\texttt{margin of error}} \right )^2\cdot p\cdot (1-p) \\ = \left(\frac{2.58}{0.002} \right )^2\cdot 0.5\cdot (1-0.5)=416025

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4 0
3 years ago
Solve 64^x = 16^x−1.
erica [24]
64^x=16^x-1====> Make the bases the same
4^3(x)=4^2(x-1)=> Solve for x by bringing down the exponent without the base.
3(x)=2(x-1)=====> Distribute
3x=2x-2======> Now solve for x
3x = 2x-2
-2x  -2x
x=-2
Therefore x is negative two
7 0
3 years ago
Read 2 more answers
30 is 150% of what number?<br> A 180<br> B 20<br> C 15<br> D 45
3241004551 [841]

Answer:

20

10% of 20 is 2 2x15=30

Step-by-step explanation:

5 0
3 years ago
Which equation is represented by the graph below?
gregori [183]

Answer:

y = e^x - 4

Step-by-step explanation:

The missing options are

y = ln x - 3

y = ln x - 4

y = e^x - 3

y = e^x - 4

The function is defined in quadrant 3 and increases exponentially, then it is not a logarithm.

f(x) crosses the y-axis at (0, -3). Replacing x = 0 the last option, we get:

y = e^0 - 4 = 1 - 4 = -3

6 0
3 years ago
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