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3 years ago

12

Jay made 8 of 10 free throws.Kim made 25 of 45.Who made free throws at a better rate?How do you know?

2 answers:

Ivahew [28]3 years ago

7 0

Jays rate=80% kims rate=55.6% jay has a better rate take the number made and divide it by the number thrown.

murzikaleks [220]3 years ago

5 0

Kim’s rate jay made 4/5 kim 2.5/5

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1/2x3+1/4x2 =<br> i need to know please

FrozenT [24]

In complex calculations like this, the precedence goes like this

B = Brackets
O = Of (or Exponent)
D = Division
M = Multiplication
A = Addition
S = Substraction

So, in your formula, it will go like this

1/2x3+1/4x2
= 0.5 x 3 + 0.25 x 2
= 1.5 + 0.5
= 2

Hope this helps.

4 0

3 years ago

On a particular flight, the airline's income was $95,280 for a jumbo jet carrying 290 passengers. If a first-class ticket costs

SIZIF [17.4K]

Answer:

30 first-class tickets were sold and 260 coach tickets were sold.

Step-by-step explanation:

Let a first-class ticket be represented by f and let a coach ticket be represented by c.

On a particular flight, a jumbo jet was carrying 290 passengers. So, the sum of the first-class tickets and coach tickets must sum to 290:

$f+c=290$

The total income was $95,280. Therefore:

$680f+288c=95280$

We can now solve the system of equations. First, we can simplify the second equation by dividing everything by 8:

$85f+36c=11910$

From the first equation, we can subtract f from both sides:

$c=290-f$

Substitute:

$85f+36(290-f)=11910$

Distribute:

$85f+10440-36f=11910$

Simplify:

$49f=1470$

So:

$f=30$

From the previous equation:

$c=290-f$

Substitute:

$c=290-30=260$

30 first-class tickets were sold and 260 coach tickets were sold.

5 0

3 years ago

Write the coordinates for the given dilation

Olegator [25]

<u>Answer:</u>

D $_o$ of Y = (-3/2, -1)

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

We are given three points on the graph:

X (4, 0)

Y (3, 2)

Z (2, 2)

and the scale factor of dilation which is $-\frac{1}{2}$ .

Given that, we are to find the coordinates of Y after dilation. To find that, we will multiply the coordinates of the point Y with the scale factor.

Y = $(-\frac{1}{2}$ × $3$ , (-\frac{1}{2}[/tex] × $2)$

Y = $(-\frac{3}{2} , -1)$

5 0

3 years ago

<img src="https://tex.z-dn.net/?f=0%20%3D%20%20%7B%20x%7D%5E%7B2%7D%20%20-%2018%20%2B%2064" id="TexFormula1" title="0 = { x}^{2

timurjin [86]

Answer:

x = $\sqrt{- 46}$

Step-by-step explanation:

$x^{2}$ - 18 + 64 = 0

$x^{2}$ + 46 = 0

$x^{2}$ = - 46

x = $\sqrt{- 46}$

6 0

3 years ago

Which of the following is not a commonly used practice? Choose the correct answer below. A. If the original population is norma

MrMuchimi

Answer:

. B. If the distribution of the sample means is normally distributed, and greater than30, then the population distribution is normally distributed

7 0

3 years ago