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romanna [79]
3 years ago
10

Do the ratios and form a proportion? 12 yes no

Mathematics
1 answer:
Misha Larkins [42]3 years ago
5 0

Answer:

yes

Step-by-step explanation:

yes

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Which phrase represents this expression? (30 - 10) × 5​
MA_775_DIABLO [31]

Answer:

100

Step-by-step explanation:

Equations in parentheses get solved first: 30-10=20 and 20x5=100

8 0
2 years ago
Identify the closest perfect squares less than and greater than the radicand below, respectively.
wariber [46]
It would be A because they’re both perfect squares
3 0
3 years ago
The surface areas of two similar figures are 25 in2 and 36 in2. If the volume of the smaller figure is 250 in3, what is the volu
Slav-nsk [51]
Since the figures are similar, we can establish a rule of three as follows.
We know that the area of the smaller figure is 25in^{2}, and its volume is 250in^{3}. We also know that the area of the larger figure is 36in^{2}; since we don't now its volume, lets represent it with X:
\frac{25in^{2}----\ \textgreater \ 250in^{3}}{36in^{2}----\ \textgreater \ Xin^{3}} 
\frac{25}{36} = \frac{250}{X}
X= \frac{(250)(36)}{25}
X=360

We can conclude that the volume of the larger figure is 360in^{3}; therefore, the correct answer is a.
6 0
3 years ago
Read 2 more answers
Assume that x has a normal distribution, with the specified mean and standard deviation. Find the indicated probabilities. P(x ≥
miskamm [114]

Find out the value of z

Remember that

z =(x - μ)/σ

we have

μ=18

σ=5

For x=5

substitute

z=(5-18)/5

z=-2.6

Using a z-scores table

we have that

P(x ≥ 5)=0.99534

therefore

<h2>the answer is option A</h2>

5 0
1 year ago
Caleb practices piano 20 minutes per day, and he practices guitar 30 minutes per day. Which expression represents the number of
pav-90 [236]

20d + 30d = 50d

Hope this helps. - M
5 0
4 years ago
Read 2 more answers
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