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Diano4ka-milaya [45]

2 years ago

11

Jordyn had an 8-ounce glass of water. She drank 4.7 ounces and poured another 3.5 ounces into her glass. Which expression repres

ents the amount of water that is
in the glass now?

A (8) + (-4.7) + (3.5)

B (-8) + (-4.7) + (3.5)

C (8) + (-4.7) -(3.5)

D D (8) (-4.7) (-3.5)

1 answer:

Alexxandr [17]2 years ago

8 0

Answer:

A

Step-by-step explanition

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A wildlife biologist catches and releases 20 fish from two different lakes at random locations. he catches 10 fish at lake palme

JulijaS [17]

Im sorry i really dont know it

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2 years ago

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VMariaS [17]

Answer: I think its C

Step-by-step explanation:

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2 years ago

Please help and explain how you solved it. Thanks.

galina1969 [7]

Answer:

This is 0.14 to the nearest hundredth

Step-by-step explanation:

Firstly we list the parameters;

Drive to school = 40

Take the bus = 50

Walk = 10

Sophomore = 30

Junior = 35

Senior = 35

Total number of students in sample is 100

Let W be the event that a student walked to school

So P(w) = 10/100 = 0.1

Let S be the event that a student is a senior

P(S) = 35/100 = 0.35

The probability we want to calculate can be said to be;

Probability that a student walked to school given that he is a senior

This can be represented and calculated as follows;

P( w| s) = P( w n s) / P(s)

w n s is the probability that a student walked to school and he is a senior

We need to know the number of seniors who walked to school

From the table, this is 5/100 = 0.05

So the Conditional probability is as follows;

P(W | S ) = 0.05/0.35 = 0.1429

To the nearest hundredth, that is 0.14

3 0

2 years ago

Given that y is directly proportional to x^2 and that y=2 when x=3 find the value of y when x=6

Sergio039 [100]

Answer:y=4/3

y is directly proportional to x^2 is written as

$y \alpha {x}^{2}$ introducing a constant,

y=kx^2

but from the question, when y=2 , x=3 . putting it in the formula to get the value of k

$2 = {3}^{2} \times k$

2=9k . <em>divi</em><em>ding</em><em> </em><em>throu</em><em>gh</em><em> </em><em>by</em><em> </em><em>9</em><em> </em><em>to</em><em> </em><em>get</em><em> </em><em>the</em><em> </em><em>valu</em><em>e</em><em> </em><em>of</em><em> </em><em>k</em>

<em> $\frac{2}{9} = \frac{9k}{9}$ </em>

<em> $k = \frac{2}{9}$ </em>

<em>pu</em><em>tting</em><em> </em><em>it</em><em> </em><em>in</em><em> </em><em>the</em><em> </em><em>ge</em><em>neral</em><em> </em><em>expres</em><em>sion</em>

<em> $y = \frac{2}{9} x$ </em>

<em>the</em><em> </em><em>valu</em><em>e</em><em> </em><em>of</em><em> </em><em>y</em><em> </em><em>whe</em><em>n</em><em> </em><em>x</em><em>=</em><em>6</em>

<em> $y = \frac{2}{9} \times 6$ </em>

<em> $y = \frac{4}{3}$ </em>

<em>there</em><em>fore</em><em> </em><em>the</em><em> </em><em>valu</em><em>e</em><em> </em><em>of</em><em> </em><em>y</em><em> </em><em>when</em><em> </em><em>x</em><em>=</em><em>6</em><em> </em><em>is</em>

<em>4</em><em>/</em><em>3</em>

3 0

3 years ago

Which of the following is a multiple of 8?<br> A: 22<br> B: 48<br> C: 18<br> D: 30

strojnjashka [21]

The correct answer is:
B: 48

Hope this helped!

3 0

2 years ago