2 years ago

The temperature at noon was 5 degrees and drops 15 degrees. What is the new temperature?

Mathematics

1 answer:

Aleksandr-060686 [28]2 years ago

8 0

The temperature would be -10 degrees

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How many gallons of pure alcohol should be added to 40 gallons of a 20% solution so

Rudik [331]

Answer:

8/3

Step-by-step explanation:

i put equations as this:

x+40 = y

where x is galllons of pure mixture and y is the gallons of the new mixture

the other equation i id was:

x+0.2(40) = 0.25y

x+8 = 0.25y

y = 4x+32

solve using substitution

(x+40) = 4x+32

x = 4x-8

-3x = -8

x = 8/3

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3 years ago

Five sixths of Forty two

Maslowich

Hello,

Five sixths of forty two is = 35.

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2 years ago

A pack of cinnamon scented pencils sells for $9.00. What is the sales tax rate of the total cost of the pencils is $9.36

Vinil7 [7]

The tax rate would be 4%

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2 years ago

A cake manufacturer boxes Swiss chocolate and German chocolate cakes at one site. A box of Swiss chocolate cake contains 0.55 lb

Kobotan [32]

Answer:

2,500 German chocolate cake boxes.

1,500 Swiss chocolate cake boxes.

Step-by-step explanation:

Let 'S' be the number of Swiss chocolate cakes boxed and 'G' the number of German cholocate cakes boxed. If all of the available ingredients are used:

$0.55*S +0.59*G = 2,300\\0.45*S+0.41*G = 1,700$

Solving the linear system above:

$(0.55 *S +0.59*G)- \frac{0.55}{0.45} (0.45*S+0.41*G)= 2,300-\frac{0.55}{0.45}*1,700*\\0.088888*G = 222.222\\G=2,500\\S =\frac{2,300-2,500*0.59}{0.55}\\S=1500$

2,500 German chocolate cake boxes and 1,500 Swiss chocolate cake boxes can be made each day.

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3 years ago

Need help please :) I’m not sure how to solve this one either

Andrews [41]

The answer is

580|21

6 0

7 months ago

Read 2 more answers