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Brilliant_brown [7]
3 years ago
8

The sum of two numbers is 50. One number is 28 more than the other. Find the numbers.

Mathematics
2 answers:
mafiozo [28]3 years ago
7 0

Answer:

12+28=50

Step-by-step explanation:

Lady bird [3.3K]3 years ago
3 0

Answer:

Step-by-step explanation:

28+22 is 50

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4. Nine fruit juice bottles contain 4 1/2 litres of fruit juice between them.
brilliants [131]

Answer:

2\frac{1}{2} litres or 2.5 litres

Step-by-step explanation:

From the question, 9 fruit juice bottles contain 4\frac{1}{2} litres of fruit juice. Therefore, to find how many litres of fruit juice would be contained in 5 fruit juice bottles, you multiply 5 by 4\frac{1}{2} litres and you divide the product by 9.

i.e. Let the quantity of the fruit juice for 5 bottles be x.

9 juice bottles ===> 4\frac{1}{2} litres

5 juice bottles ===> x

∴x = \frac{5 * 4\frac{1}{2} }{9} litres

x = \frac{5 * 4.5}{9} litres

x = \frac{22.5}{9} litres

x = 2.5 litres or 2\frac{1}{2} litres

Hope this helps!!!

3 0
3 years ago
the width of a laptop is 11.25 inches. the width is 0.75 times the length. what is the length of the laptop
Snezhnost [94]

\bf \stackrel{width}{11.25}=0.75\stackrel{length}{L}\implies \cfrac{11.25}{0.75}=L\implies 15=L

8 0
3 years ago
I WILL GIVE BRAINLIEST
rosijanka [135]

thx u so much :)

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5 0
3 years ago
3 + p = 8 <br><br><br> I just don't know the steps to do this! Help me
inn [45]
Solution

1) <span>Subtract</span><span> </span><span>3</span><span> </span><span>from both sides 
</span><span><span>p=8−3

</span></span>2) <span>Simplify</span><span> </span><span>8−3</span><span> </span><span>to</span><span> </span><span>5 
</span><span><span>p=5</span></span>
7 0
3 years ago
Read 2 more answers
A local school board member randomly sampled private and public high school teachers in his district to compare the proportions
levacccp [35]

Answer:

0.025 ;

(-0.7198 ; 0.7698)

Step-by-step explanation:

From the table :

_____________ private schls ___ public schls

Sample size, n _____ 80 __________ 520

P, NBC teachers ___ 0.175 ________ 0.150

P1 = P of  private school teachers

P2 = P of public school teachers

Difference in proportion :

P1 - P12 = 0.175 - 0.150.= 0.025

The 90% confidence interval for 2 - sample proportion :

C.I = (p1-p2) ± [Zcritical * √(p1(1-p1)/n1 + (p2(1-p2)/n2)]

Zcritical at 90% = 1.645

C.I = 0.025 ± [1.645 * √((0.175*0.825)/80 + (0.150*0.850)/520)]

C.I = 0.025 ± [1.645 * √(0.0018046875 + 0.0002451)]

C.I = 0.025 ± 1.645 * 0.0452755

C.I = 0.025 ± 0.07448

C.I = (-0.7198 ; 0.7698)

3 0
3 years ago
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