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telo118 [61]
3 years ago
10

Raul is performing an experiment. He pours water into a glass and measures the temperature of the water at 72.3°F. Then he adds

a few ice cubes to the glass of water. He measures the temperature of the water again and finds that it has changed by -39.1°F. Write an expression that represents the temperature (in degrees Fahrenheit) of the water after Raul added the ice cubes. Write the expression as the sum of two numbers.
Mathematics
2 answers:
Tatiana [17]3 years ago
6 0

i'm sowwie

i didnot understannd your question

allochka39001 [22]3 years ago
3 0
This is what y’all learning in middle school now?! i’m sorry
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Jeremy lost his dog, and wants to make some signs to put up in the neighborhood. The cost to make 8 paper signs and 2 laminated
Mashcka [7]

Answer:

cost to make paper signs = $1

cost to make laminated signs = $2

Step-by-step explanation:

Let

x = cost to make paper signs

y = cost to make laminated signs

8x + 2y = 12 (1)

10x + 10y = 30 (2)

Multiply (1) by 5

40x + 10y = 60 (3)

10x + 10y = 30 (2)

Subtract (2) from (3) to solve for x

40x - 10x = 60 - 30

30x = 30

x = 30/30

x = $1

Substitute x = 1 into (1)

8x + 2y = 12

8(1) + 2y = 12

8 + 2y = 12

2y = 12 - 8

2y = 4

y = 4/2

y = $2

cost to make paper signs = $1

cost to make laminated signs = $2

5 0
3 years ago
the volleyball team needs new uniforms. the students plan to sell plush toy Eagles ( the school mascot) for $5 each. The student
sammy [17]

Answer:

Company C

Step-by-step explanation:

You divide the amount of money it all costs to the number of plushies they are selling it for.

A: 34.08/12 = $2.84 each

B: 42.90/15 = $2.86 each

C: 50.58/18 = $2.81 each

So C has the least amount of money spent for a greater amount of plushies so C would be the Best Buy.

7 0
3 years ago
Read 2 more answers
What is the length of the diagonal of a 10 cm by 15 cm rectangle?
Archy [21]

The length of the diagonal should be 18 if I am not wrong!

Step-by-step explanation:

a2+ b2=c2

so 10x10+15x15=the diagonal

100+225=325

325 squared = 18

8 0
3 years ago
Would really appreciate if someone helped with Questions 3 and 4!! Offering 13 Points
NemiM [27]

Answer: #3 is B. give me a second and i'll try to do #4

Step-by-step explanation:

7 0
3 years ago
If you can expplain
lana [24]

Answer:

I can explain.  The answer is A

Step-by-step explanation:

Think of it this way: when you write a mixed number, the fraction is out of 100.    If the denominator is 8, find 1/8 of 100 by doing 100 divided by 1/8.  This gives you 12.5.  The entire fraction is 2/8, so we need to multiply 12.5 by 2, since it's only 1/8.  12.5 x 2 gives us 25.  In the decimal, this would be equal to .25.  A is the only answer that represents the mixed number as a decimal correctly.

6 0
2 years ago
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