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TiliK225 [7]
2 years ago
8

Caiden and Josh are practicing at a batting cage. Josh has hit nine more than one half the number of balls that Caiden has. If t

he sum of their hits is 123, how many balls has Josh hit?
(Please include work for this problem, I appreciate it greatly.)
Mathematics
2 answers:
Lena [83]2 years ago
8 0

With the combined number total of balls hit being 123. take the 9 more that Josh hit from the 123, then divide that answer by 2. 123 - 9 = 114, then 114 ÷ 2 = 57, then add the 9 more to the 57. 9 + 57 = 66.

I hope this helps.

Artist 52 [7]2 years ago
7 0

Answer:

Josh has hit 47 balls.

Step-by-step explanation:

Caiden and Josh are practicing at a batting cage.

Let Caiden's hits be 'x'

Josh has hit nine more than one half the number of balls that Caiden has.

Josh's hits would be = \frac{1}{2}x+9 hits.

the sum of their hits is 123. So the equation will be

x+(\frac{1}{2}x+9)=123

\frac{3}{2}x+9=123

\frac{3}{2}x=123-9

\frac{3}{2}x=114

x =  \frac{2}{3}\times 114

x =  76

Caiden's hits = 76

Josh's hits =  \frac{1}{2}x+9 [put the value of x]

= \frac{76}{2}+9

= 38 + 9

= 47 hits

Josh has hit 47 balls.

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With a line parallel to a side through a triangle we get similar triangles so a proportion.

AC : BC = AQ : PQ

AC = BC AQ / PQ

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Answer: 10.8 cm

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2 years ago
I round to 900 I have twice as many hundreds as ones and all my digits are different but their sums are 18 can someone answer th
stellarik [79]

Answer:

The number of once is 9.1  

The number of hundreds is 8.9

Step-by-step explanation:

Given as :

The total of digits having ones and hundreds = 900

The sum of digits = 18

Let The number of ones digit = O

And The number of hundreds digit = H

So, According to question

H + O = 18             .........1

100 × H + 1 × O = 900          ........2

Solving the equation

( 100 × H - H ) + ( O - O ) = 900 - 18

Or, 99 H + 0 = 882

Or , 99 H = 882

∴   H = \frac{882}{99}

I.e H = 8.9

Put the value of H in eq 1

So, O = 18 - H

I.e  O = 18 - 8.9

∴    O = 9.1

So, number of once = 9.1

number of hundreds = 8.9

Hence The number of once is 9.1  and The number of hundreds is 8.9

Answer

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luda_lava [24]
X+y = 320 y = 7x ..............
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Using a 16-sided number cube, what is the probability that you will roll a multiple of 4 or an odd prime number? The number 1 is
iogann1982 [59]
<h3>Answer: 0.563 (choice C)</h3>

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

Explanation:

E = event space

E = set of outcomes we want to happen

E = rolling a multiple of 4 or rolling an odd prime number

E = {4,8,12,16     3,5,7,11,13}

n(E) = number of items in set E

n(E) = 9, (four multiples of 16+five ways to roll odd prime number)

-----

S = sample space

S = set of all possible outcomes (whether we want them to happen or not)

S = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16}

n(S) = number of items in set S

n(S) = 16

-----

P(E) = probability of event space occurring

P(E) = probability of rolling a multiple of 4 or rolling an odd prime number

P(E) = n(E)/n(S)

P(E) = 9/16

P(E) = 0.5625

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Answer:

A

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223.5-129.95=93.55.

A. $93.55

7 0
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