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Sedbober [7]
2 years ago
11

The area of Ms. Anderson’s office floor measures 120

Mathematics
2 answers:
Maslowich2 years ago
8 0

Answer:

72 square feet not covered

Step-by-step explanation:

100%-40% = 60%

60% of 120 = 0.6x120 = 72

Reil [10]2 years ago
3 0

Answer:

72

Step-by-step explanation:

because i know

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Hey guys, could someone please help me answer question 3 (use the graph) ASAP and also I would like the working out~
-Dominant- [34]

Answer:

B. 5.6%

Step-by-step explanation:

Add all the visitors up which equals 4215.5 and do 236.9 divided by 4215.5 and you get 0.056 which converted to a percentage equals 5.6%. Hope this helps.

5 0
2 years ago
4x square+ 8 x - 5=0<br><img src="https://tex.z-dn.net/?f=4%20%7Bx%7D%5E%7B2%7D%20%20%2B%208x%20-%205%20%3D%200" id="TexFormula1
Damm [24]

Answer:

x = \frac{1}{2}

x = -\frac{5}{2}

Step-by-step explanation:

Solve Using the Quadratic Formula

     4x^2 + 8x − 5 = 0

Use the quadratic formula to find the solutions.

    −b ± √b^2 − 4 (ac)

     -------------------------

               2a

Substitute the values a = 4, b = 8, and c = −5 into the quadratic formula and solve for x.

    −8 ± √82 − 4 ⋅ (4 ⋅ −5)

     -------------------------

              2 ⋅ 4

Simplify the numerator.

Raise 8 to the p ower of 2.

     −8 ± √64 − 4 ⋅ 4 ⋅ −5

x=     ---------------------------

               2 ⋅ 4

Multiply −4 by 4.

        −8 ± √64 − 16 ⋅ −5

x =       -------------------------

                2 ⋅ 4

Multiply −16 by −5.

        −8 ± √64 + 80

x =       -------------------

               2 ⋅ 4

Add 64 and 80.

        −8 ± √144

x =        --------------

             2 ⋅ 4

Rewrite 144 as 12^2.

        −8 ± √122

x =       ------------

            2 ⋅ 4

Pull terms out from under the radical, assuming positive real numbers.

multiply 2 by 4          

        −8 ± 12

x=     ------------

            8

simplify

    −2 ± 3

x=   ---------

        2

The final answer is the combination of both solutions.

x= 1/2, -5/2

Hope this helped!

6 0
3 years ago
Read 2 more answers
Maria took a math test last week. The table shows how many questions she answered correctly and incorrectly.
pashok25 [27]

Answer:

Step-by-step explanation:

Maria had a test with 20 questions

if 17 are correct,

20 questions................................100%

17 questions................................?%

she was 85% right

5 0
3 years ago
Given the following measurements, calculate the minimum and maximum possible object. Round to the nearest square whole square un
garri49 [273]

Answer:

28.3 centimeters and 21 centimeters

Step-by-step explanation:

28.3 + 0.05) cm, so 28.25 cm ≤ length < 28.35 cm.

6 0
2 years ago
Help plsssssss someone
oksano4ka [1.4K]
The answer would be C.
3 0
2 years ago
Read 2 more answers
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