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navik [9.2K]
3 years ago
15

The answer to this difficult question in my math book that I have to solve. Can you help me?

Mathematics
1 answer:
s2008m [1.1K]3 years ago
4 0
A half hour is 30 minutes. So you would need to divide 30 by 5 and you get six. Multiple 6 degrees Fahrenheit by 6 and you get 36 degrees. The solution cooled 36 degrees in half an hour.

Hope this helps!
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Which equation shows the substitution method being used to solve the system of linear equations?
bonufazy [111]
B. 
It says x = y + 3. So what they did was put y + 3 in the place of x. 
5 0
2 years ago
8 x 5/6 = z<br> What is z?<br><br> A. 53/6<br> B. 40/6<br> C. 13/48<br> D. 5/48
blondinia [14]

Answer:

\huge \boxed{  \boxed{\mathbb{B)} \frac{40}{6} }}

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • equation
  • PEMDAS
<h3>given:</h3>
  • 8×⅚=z
<h3>let's solve:</h3>
  1. \sf multiply \: both \: sides \: by \: 6 :  \\ (8  \times  \frac{5}{6} ) \times 6 = z \times 6
  2. \sf simplify :  \\ 8 \times 5 = 6z \\ 40=6z
  3. \sf divide \: both \: sides \: by \: 6 :  \\ \frac{6z}{6}  =  \frac{40}{6}  \\ z =  \frac{40}{6}
5 0
3 years ago
Read 2 more answers
Nth term of this sequence 1, 10, 19, 28
mestny [16]

Answer:

The nth term of the sequence is

<h2>9n - 8</h2>

Step-by-step explanation:

The sequence above is an arithmetic sequence

For an nth term in an arithmetic sequence

A(n) = a + ( n - 1)d

where a is the first term

n is the number of terms

d is the common difference

From the question

a = 1

d = 10 - 1 = 9 or 19 - 10 = 9 or 28 - 19 = 9

So the nth term of the sequence is

A(n) = 1 + (n - 1)9

= 1 + 9n - 9

= 9n - 8

<h3>A(n) = 9n - 8</h3>

Hope this helps you

3 0
2 years ago
Which is the last operation performed when evaluating (8-2x)^2+4 for x=3
Salsk061 [2.6K]
Addition will be the last operation
6 0
3 years ago
Read 2 more answers
Please give 5 addition of polynomial examples​
Dafna1 [17]

Answer:

Addition of Polynomials

1Add: 3x3 – 5x2 + 8x + 10, 15x3 – 6x – 23, 9x2 – 4x + 15 and -8x3 + 2x2 – 7x.

2Add: 7a + 5b, 6a – 6b + 3c and -5a + 7b + 4c. ...

3Add: 3a2 + ab – b2, -a2 + 2ab + 3b2 and 3a2 – 10ab + 4b2 ...

4Add: 5x + 3y, 4x – 4y + z and -3x + 5y + 2z. First we need to write in the addition form. ...

Step-by-step explanation:

Hope it helps ya ItzAlex

3 0
2 years ago
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