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givi [52]
2 years ago
14

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Mathematics
2 answers:
Alinara [238K]2 years ago
8 0

Answer:

the answer is 41 degrees

Just subtract

180-139

=41

(Please katie im not doing anything wrong)

Step-by-step explanation:

poizon [28]2 years ago
3 0

Answer:

∠x=41°

Step-by-step explanation:

<u>Supplementary Angles are angles that equal 180°</u>

<u>1. Use the equation</u>

∠x+∠y=180°

<u>2. Fill in the given values</u>

∠x+139°=180°

<u>3. Solve</u>

<em>Subtract 139 from both sides</em>

∠x+139°=180°

      -139° -139°

<u>4. Answer</u>

∠x=41°

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If you multiply 0.86 by 7.36, how many decimal places will be in the product?
AURORKA [14]

Answer:

4

Step-by-step explanation:

There are 4 numbers to the right of decimals in question.

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6 0
3 years ago
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Which ordered pair describes point P? <br> A) -2, +4 <br> B) -2, -4 <br> C) +4, -2<br> D) -4, -2 
zimovet [89]
The answer is a.  (-2, 4). The horizontal line is the x-axis, and the vertical line is the y-axis, so the coordinate points would be (x, y) and (-2, 4) fit those coordinates. Hope this helps! :)
7 0
3 years ago
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Help me what do hay need to do
Airida [17]

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7 0
3 years ago
An = 3.5 +2.8 (n-1)<br> f(n) =
aksik [14]

Answer:

f(n) = 2.8n + 0.7

Step-by-step explanation:

The form of the linear function is f(x) = m x + b, where

  • x is the input
  • f(x) is the output

Let us solve the question

∵ The rule of the arithmetic sequence is a_{n} = 3.5 + 2.8(n - 1), where

  • a_{n} is the nth term ⇒ output
  • n is the number of the term ⇒ input

→ To write it as a function replace a_{n} by f(n)

∵ a_{n} = f(n)

∴ f(n) = 3.5 + 2.8(n - 1)

→ Simplify the right side to make it in the form of the function above

∵ f(n) = 3.5 + 2.8(n) + 2.8(-1)

→ Remember (+)(-) = (-)

∴ f(n) = 3.5 + 2.8n - 2.8

→ Add the like terms in the right side

∵ f(n) = 2.8n + (3.5 - 2.8)

∴ f(n) = 2.8n + 0.7

5 0
3 years ago
The dimensions of a closed rectangular box are measured
Damm [24]

Answer:

The maximum error in  calculating the surface area of the box is 152 square cm.

Step-by-step explanation:

We are given the following information in the question:

The dimensions of a closed rectangular box are measured  as 80 cm, 60 cm, 50 cm, respectively.

Possible error = 0.2 cm

Surface area of rectangular box =

S = 2(lb + bh + lh)

where l, b and h are the length, breadth and height of the rectangular box respectively.

Change in area =

\Delta S \approx dS = 2(l\Delta b + b\Delta l + b\Delta h + h\Delta b + l\Delta h + h\Delta l)\\

Putting the values, we get,

Change in area =

=2(\Delta l (b+h) + \Delta b (h+l) + \Deltah(l + b))\\=2(0.2(110) + 0.2(130) + 0.2(140))\\= 152\text{ square cm}

The maximum error in  calculating the surface area of the box is 152 square cm.

6 0
3 years ago
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