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amid [387]
2 years ago
5

Please help.... what is it’s measure

Mathematics
2 answers:
Olegator [25]2 years ago
8 0

right

Answer:

90°

Step-by-step explanation:

Type of angle foremd= right

Measure = 40° + 50° = 90°

OLEGan [10]2 years ago
4 0

Answer:

Right - 90°

Step-by-step explanation:

  • Acute angle => less than 90°
  • <u><em>Right angle => exactly 90°</em></u>
  • Obtuse angle => more than 90° less than 180°
  • Straight angle =>exactly 180°
  • Reflex angle => more than 180° , less than 360°
  • Full angle => exactly 360°

∠ABD = 40°

∠DBC = 50°

∠ABC = 40° + 50° = 90° So, ∠ABC is a <u><em>Right</em></u> angle and formed with measure <em><u>90°</u></em>

Hope this helps ^-^

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Solve the system of linear equations by graphing. Round the solution to the nearest tenth as needed. Y + 2.3 = 0.45x and -2y = 4
HACTEHA [7]

Answer:

(2.4, -1.2)

Step-by-step explanation:

Start by moving the x and the y to the same side and moving the number across the equal sign in both equations. We should now have y-0.45x=-2.3 and 2y+4.2x=7.8. We can use the elimination method by multiplying the first equation by -2 to get -2y+0.9x=4.6 and 2y+4.2x=7.8. From there, add the two equations together, eliminating y (-2+2=0). We now have 5.1x=12.4; divide both sides by 5.1 to get x=2.4. Then, in any of the two equations, let's use y-0.45x=-2.3, substitute x with 2.4. Now we have y-1.08=-2.3. Add 1.08 to both sides to get y=-1.22; round that to the nearest tenth to get -1.2.

4 0
2 years ago
Read 2 more answers
Your Roasted Snout dinner cost you $45.99. You will tip your server 15% of the bill. What is the TOTAL cost of your bill (includ
irina [24]

Answer:

Step-by-step explanation:

The basic cost of the Snout is              45.99

15% of that amount = 45.99*15/100 = <u>    6.90</u>

Total Cost                                               52.89

You could figure out the total cost a slightly different way.      

You could set up

Cost = snout (1 + 15%)

Cost  = snout(1 + 15/100)

Cost = snout( 1 + 0.15)

Cost = 45.99(1.15)

Cost = 52.89

4 0
2 years ago
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Find two geometric means between 5 and 135
aniked [119]
Answer:

We are effectively looking for a and b such that 5, a, b, 135 is a geometric sequence.

This sequence has common ratio <span><span>3<span>√<span>1355</span></span></span>=3</span>, hence <span>a=15</span> and <span>b=45</span>

Explanation:

In a geometric sequence, each intermediate term is the geometric mean of the term before it and the term after it.

So we want to find a and b such that 5, a, b, 135 is a geometric sequence.

If the common ratio is r then:

<span><span>a=5r</span><span>b=ar=5<span>r2</span></span><span>135=br=5<span>r3</span></span></span>

Hence <span><span>r3</span>=<span>1355</span>=27</span>, so <span>r=<span>3<span>√27</span></span>=3</span>

Then <span>a=5r=15</span> and <span>b=ar=15⋅3=45</span>


6 0
3 years ago
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allsm [11]
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m = (y2 - y1)/(x2 - x1)

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point 2: (5.2, 9)

m = (9 - -2.6)/(5.2 - -6.4)
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put the newly found slope into the linear equation for m

y = (1)x + b
y = x + b

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by putting one of the given points

9 = 5.2 + b

b = 9 - 5.2
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final equation:

y = x + 3.8
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