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monitta
3 years ago
10

What is the solution to the equation 2(x-10) + 4= -6x + 2

Mathematics
1 answer:
Leno4ka [110]3 years ago
7 0

Answer:

2(x-10)+4=-6x+2

2x-20+4= -6x+2

2x-16=-6x+2

2x+6x=2+16

8x=18

x=18/8

x=9/4

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Question mark 1: Match the triangle to correct function and answer
postnew [5]

Answer:

Triangle 1 - m\angle A = 58^{\circ}, hypotenuse = 16

x \approx 8.479

Triangle 2 - m \angle A = 44^{\circ}, adjacent leg = 18

x \approx 17.382

Triangle 3 - m\angle A = 49^{\circ}, opposite leg = 12

x \approx 15.900

Step-by-step explanation:

Each triangle is solved by means of trigonometric relations:

Triangle 1 - m\angle A = 58^{\circ}, hypotenuse = 16

\cos 58^{\circ} = \frac{x}{16}

x = 16\cdot \cos 58^{\circ}

x \approx 8.479

Triangle 2 - m \angle A = 44^{\circ}, adjacent leg = 18

\tan 44^{\circ} = \frac{x}{18}

x = 18\cdot \tan 44^{\circ}

x \approx 17.382

Triangle 3 - m\angle A = 49^{\circ}, opposite leg = 12

\sin 49^{\circ} = \frac{12}{x}

x = \frac{12}{\sin 49^{\circ}}

x \approx 15.900

8 0
3 years ago
George drove 240 miles to his grandmother's house. The graph below shows the relationship between the distance he traveled and t
Igoryamba

Answer:

I think it's <u><em>A</em></u>

Step-by-step explanation:

8 0
4 years ago
PLEASE HELP!! I'LL GIVE BRAINLEST!!
guapka [62]
P = 2(12.9) + 2(19.3)
P = 25.8 + 38.6
P = 64.4

4 0
3 years ago
PLEASE ANSWER ASAP FOR BRAINLIEST!!! A triangle has side lengths of 17 cm and 8 cm. Which could be the value of the third side,
denis23 [38]

Answer:

23

Step-by-step explanation:

The sum of any two sides of a triangle has to be greater than the other side

Only 23 meets this criteria

7 0
3 years ago
Read 2 more answers
Marie scored 95,86 and 89 on three science tests she wants her average score for 6 test to be at least 90 what inequality can yo
galina1969 [7]
(3s + 270) / 6 <u>></u> 90

s = 90; lowest average score

95+86+89 = 270

(3s + 270) / 6    <u>></u>    90 
<u>                * 6          * 6</u>
3s + 270          <u>></u>     540
 <u>    - 270                 -270</u>
3s                    <u>></u>     270
<u>÷3                             ÷3</u>
  s                    <u>></u>       90

To check: 

(3s + 270)/6     <u>></u> 90
(3(90) + 270)/6 <u>></u> 90 
(270 + 270)/6   <u>></u> 90
540 / 6             <u>></u> 90
90                    <u>></u> 90
8 0
3 years ago
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