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Vaselesa [24]
4 years ago
7

19) At a local river, there were 48 alligators lying on the riverbank. If of the alligators wereasleep, how many were not asleep

?
20) At a charity bike rally, offhe student population of oakleaf Junior High Schodparticipated. If there are 1students at ouJH, how many participated in the bike rally?

21) out of 18 times at bat, Kayla got a hitof the time and Tia got a hitof the time. Whogot more hits? How many more?
Mathematics
1 answer:
sergey [27]4 years ago
3 0
19) 48 alligators; 7/8 of the alligators were asleep. How many were not asleep?

8/8 - 7/8 = 1/8
48 * 1/8 = 48/8 = 6 alligators were not asleep.

20) 2/3 of the student population participated. 1,500 is the student population of the school. HOw many attended the bike rally?

1500 * 2/3 = 1500*2 / 3= 3000 / 3 = 1000 students attended.

21) 18 times at bat:
Kayla 5/6 of the time = 18 * 5/6 = 18*5 / 6 = 90/6 = 15 hits
Tia 8/9 of the time = 18 * 8/9 = 18*8 / 9 = 144/9 = 16 hits

Tia got more hits.
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Sam saved $40 each month for 3 years. Then, he spent 65% of his savings on a cruise. How much of his savings was left? A. $420 B
VLD [36.1K]

Answer:

$588 was left

Step-by-step explanation:

  1. Since it was $40 for 3.5 years, and there are 12 months in a year, we do: (3*12+6)*40=1680
  2. 65%= 13/20
  3. 13/20  * 1680
  4. Sam paid $1092
  5. 1680 - 1092 = 588
6 0
3 years ago
Which expressions are equivalent to 1.08^4t?
artcher [175]

Answer:

Therefore,

The Equivalent expression is option A,

(1.08^{4})^{t}

Step-by-step explanation:

Given:

Expressions  is

1.08^{4t}

To Find:

Equivalent expression ?

Solution:

We have Law of indices

(a^{x})^{y}=a^{x\times y}\\(a^{\frac {x}{y}})^{z}=a^{\frac{x\times z}{y}

For option A

(1.08^t)^4

(1.08^{4})^{t}=1.08^{4t}

Hence option A is the Equivalent expression.

For option B

1.08^8t/1.08^2t

(1.08^{\frac{8t}{1.08}})^{2t}=1.08^{\frac{16t^{2}}{1.08}}=1.08^{14.81t^{2}}

Which is not the Equivalent expression.

For option C

1.08^4*1.08^t

(1.08^{4\times 1.08})^{t}=1.08^{4.32t}

Which is not the Equivalent expression.

For option D

1.08^6t/1.08^2t

(1.08^{\frac{6t}{1.08}})^{2t}=1.08^{11.11t^{2}}

Which is not the Equivalent expression.

Therefore,

The Equivalent expression is option A,

(1.08^{4})^{t}

6 0
4 years ago
A baby's t-shirt requires 4/5 yards of fabric. How many t-shirts can be made from 48 yards? Answer =​
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Answer:

60 t-shirts

Step-by-step explanation:

48 divided by 4/5

= 60

4 0
3 years ago
Fill in the blank.<br> 7 ft. = __Inches<br> Inches
Fynjy0 [20]

Answer:

84

Step-by-step explanation:

7x12

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3 years ago
Ann, Jim, and Miguel sent a total of 115
Tasya [4]

Ann sent a <em>total</em> of <em><u>21</u></em><em><u> </u></em><em><u>texts</u></em>.

Jim <em>sent</em><em> </em><em>a</em><em> </em><em>total</em><em> </em><em>of</em><em> </em><em><u>3</u></em><em><u>1</u></em><em><u> </u></em><em><u>texts</u></em>.

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