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monitta
3 years ago
7

Please help me with these questions. I’m genuinely confused.

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
8 0

Answer:

16. 1 4/5

17. 2 2/3

18. 4/11

19. 4 1/2

20. 4/7

21. 1/2

22. 1 2/5

23. 2 1/2

24. 4 2/3

Step-by-step explanation:

1. subtract whole numbers first

2. subtract fractions next (simplify if you can)

3. subtract fractions and whole numbers

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4/3 (x - 1/2) + 1/2x ≥ 2/3(2x- 5/2)
Ainat [17]

Answer:

Step-by-step explanation:

5 0
4 years ago
Kelly price sells college textbooks on commission. She gets 8 % on the first $7500 of​ sales, 16% on the next $7500 of​ sales, a
Solnce55 [7]

Answer:

The commission would be $ 920.

Step-by-step explanation:

Given,

Sales in 1997 ​= $ 9500,

Since, there is a commision of 8 % on the first $ 7500 of​ sales, 16% on the next $ 7500 of​ sales, and 20% on sales over $ 15,000,

If x represents the total sales,

Commission for x ≤ 7500 = 8% of x = 0.08x,

Commission for 7500 < x ≤ 15000 = 8% of 7500 + 16% of (x-7500)

= 600 + 0.16(x-7500),

Commission for 7500 < x ≤ 15000 = 8% of 7500 + 16% of 7500 + 20% of (x-15000)

= 600 + 1200 + 0.20(x-15000)

= 1800 + 0.20(x-15000)

Thus, the function that shows the given situation,

f(x)=\left\{\begin{matrix}0.08x & x \leq 7500\\ 600+0.16(x-7500) & 7500 < x \leq 15000\\ 1800+0.20(x-15000) & 15000 < x\end{matrix}\right.

Since, 9500 lies between 7500 and 15000,

Therefore, the commission would be,

f(9500)= 600 + 0.16(9500 - 7500) = 600 + 320 = $ 920

7 0
4 years ago
4. A TV has a screen that is 15 in. long and has a 25 in. long diagonal. Find
yaroslaw [1]

Answer:’

Step-by-step explanation:

6 0
3 years ago
What is the answer to this problem?​
olga55 [171]

Answer:

<h2>48</h2>

Step-by-step explanation:

It's an arithmetic sequence with common difference <em>d = 7</em>.

a_1=-8\\\\a_2=-8+7=-1\\\\a_3=-1+7=6\\\\a_4=6+7=13

Find 9th term.

METHOD 1<em>.</em>

<em>Calculate next terms:</em>

a_5=13+7=20\\\\a_6=20+7=27\\\\a_7=27+7=34\\\\a_8=34+7=41\\\\a_9=41+7=48

METHOD 2.

<em>The explicit formula of an arithmetic sequence:</em>

a_n=a_1+(n-1)d

Substitue:

a_n=-8+(n-1)(7)          <em>use the distributive property</em>

a_n=-8+7n-7\\\\a_n=7n-15

Put <em>n = 9</em>:

a_9=7(9)-15=63-15=48

7 0
3 years ago
Please help &amp; explain! 45 points :)
jek_recluse [69]
Hello there,

the answer you are looking for will be
a) it has reflectional symmetry with 16 lines of symmetry
4 0
4 years ago
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