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butalik [34]
3 years ago
13

Julia evaluated the expression 3 to the third power plus 20 divided by 2 to the second power. What’s the answer need it tonight

Mathematics
1 answer:
nexus9112 [7]3 years ago
8 0

Answer:

32

Step-by-step explanation:

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Solve a,b,c,d and e.​
Westkost [7]

Answer:

Step-by-step explanation:

a)

 428721

Place of 2's 10s and 10,000s

Therefore its value is 20 and 20,000

Product of the place value = 20 x 20,000 = 4,00,000

b)

37,20,861

Place of 7 is 1,00,000

Therefore the place value is 7,00,000

c)

Greatest 7 digit number is 99,99,999

Adding 1 to it = 99,99,999 + 1 = 1,00,00,000

d)

85642 = 80000 + 5000 + 600 + 40 +2

e)

round off 85642  to nearest thousand = 86,000

7 0
2 years ago
PLEASE ASAP I WILL MARK BRAINLIST
inessss [21]

Answer:

a. quotient refers to division

3 0
2 years ago
Probability people where you at? 《brainlist if correct》
motikmotik
<h3>Answer:  5/9</h3>

As an approximate decimal, this is 0.5556 which converts to 55.56%

======================================================

Explanation:

Let's say there are 100 households (just for the sake of simplicity). We are told that 90% of them have answering machines. So that means 90 households have answering machines. In addition, 50 households have answering machines and call waiting. Those 50 households are part of the 90 mentioned previously.

We then select a house at random. Someone tells us (or we have some kind of prior knowledge) that whichever house is selected, they have an answering machine. We can ignore the 10 households that don't have an answering machine. Out of those 90 households, 50 have both features. So 50/90 = 5/9 is the probability of getting a household with both features.

The answer would be 1/2 or 50% if we didn't have the prior knowledge of the household having an answering machine. But with this prior knowledge, the conditions change and so does the probability.

----------------

You could also compute 0.50/0.90 to get the same answer.

3 0
3 years ago
The diameter of a circle is 4cm. Find it area to nearewt tenth.​
DIA [1.3K]

Answer:

12.6cm

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
the vertex of this parabola is at (3,5). When the y-value is 6, the x-value is -1. What is the coefficient of the squared term i
otez555 [7]
Now, assuming is a vertical parabola, so the squared variable is the "x", let's do some checking.

\bf \qquad \textit{parabola vertex form}\\\\&#10;\begin{array}{llll}&#10;\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\&#10;x=a(y-{{ k}})^2+{{ h}}&#10;\end{array} \qquad\qquad  vertex\ ({{ h}},{{ k}})\\\\&#10;-------------------------------\\\\&#10;vertex&#10;\begin{cases}&#10;h=3\\&#10;k=5&#10;\end{cases}\implies y=a(x-3)^2+5&#10;\\\\\\&#10;\textit{we also know that }&#10;\begin{cases}&#10;y=6\\&#10;x=-1&#10;\end{cases}\implies 6=a(-1-3)^2+5&#10;\\\\\\&#10;1=a(-4)^2\implies 1=16a\implies \cfrac{1}{16}=a
6 0
3 years ago
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