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iris [78.8K]
3 years ago
11

Roman purchased 2 1/2 pounds of

Mathematics
1 answer:
makkiz [27]3 years ago
7 0

Answer:

$3.90 is the answer.

Step-by-step explanation:

9.75 ÷ 2.5 = 39/10 (3.9).

To check do 3.9 × 2.5 = 9.75.

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A 23.7-foot tall flagpole casts a 42-foot shadow. What is the angle that the sun hits the flagpole? Express your answer in DMS
svp [43]

Answer:

60.6°

Step-by-step explanation:

Using trigonometry :

Opposite = Height of shadow = 42 feets

Adjacent = height of flagpole = 23.7 feets

Tan θ = opposite / Adjacent

Tan θ = height of shadow / height of flagpole

Tan θ = 42 / 23.7

Tan θ = 1.7721518

θ = tan^-1(1.7721518)

θ = 60.56

θ = 60.6°

4 0
2 years ago
For which equations is x = 9 a possible solution? Check all that apply
Studentka2010 [4]

Answer:

|x| =9           yes

-|x|=9           no

-|-x|=9          no

-|-x|=-9         yes

|x|=-9           no

|-x|=9            yes

|-x|=-9         no

5 0
3 years ago
Read 2 more answers
-2(5y - 1) - y = -4(y - 3)
saveliy_v [14]

-2(5y - 1) - y = -4(y - 3)

- 10y + 2 - y = -4y + 12

- 11y + 2 = -4y + 12

-7y = 10

  y = -10/7

  y = - 1 3/7

7 0
3 years ago
If you know your tax rate of 6.5% and that you were charged $3.65 as tax, what was the total bill
sergiy2304 [10]

Total = Net Price + .065 * Net

.065 * Net = 3.65

Net Price = 3.65 / .065

Net Price = 56.15

Tax = 3.65

Total = 59.80

***** Double Check**************

56.15 * .065 = 3.65


8 0
3 years ago
Find the solution(s) to 7x - 42x = 0. Check all that apply.
blsea [12.9K]

Answer:

x=0

Step-by-step explanation:

7x - 42x = 0

Combine like terms

-35x = 0

Divide each side by -35

-35x/-35 = 0/-35

x = 0

6 0
3 years ago
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