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Airida [17]
3 years ago
13

Helpppp asap please!!!!

Mathematics
2 answers:
OLga [1]3 years ago
3 0

Answer:

   Angle at x is 75°

Step-by-step explanation:

Data :

  Angle at A = 65°

  Angle at B = 40°

According to  the porperty of triangle we know that total interior angle a triangle has is 180° irrespect of type or size

              A + B + C = 180

      65 + 40 + C = 180

        C = 180 - 65 - 40 = 75°

Mark brainliest if you understand

azamat3 years ago
3 0

Answer:

Angle C:75 degree

Step-by-step explanation:

Hope this help u!

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What is the estimated quotient for 5,514÷82?
GuDViN [60]
The quotient to 5,514/82 is 67.24390244... If you round this to the nearest whole number, you get 67. If you round to the nearest tenth, you get 67.2. :)
7 0
3 years ago
Read 2 more answers
14-12x+39x-18x=256-60x-657x​
emmasim [6.3K]

Answer:

\boxed{\bold{x=\frac{1}{3}}}

Step-by-step explanation:

Combine Similar Elements: \bold{-12x+39x-18x=9x}

\bold{14+9x=256-60x-657x}

Combine Similar Elements: \bold{-60x-657x=-717x}

\bold{14+9x=256-717x}

Subtract 14 From Both Sides

\bold{14+9x-14=256-717x-14}

Simplify

\bold{9x=-717x+242}

Add \bold{717x} To Both Sides

\bold{9x+717x=-717x+242+717x}

Simplify

\bold{726x=242}

Divide Both Sides By \bold{726}

\bold{\frac{726x}{726}=\frac{242}{726}}

Simplify

\bold{x=\frac{1}{3}}

4 0
4 years ago
Which value for the variable w makes the value of this expression 10?
Sidana [21]

Answer:

5

Step-by-step explanation:

50/5=10

therefore 5 is your answer

3 0
3 years ago
Read 2 more answers
A nutrition laboratory wants to construct a 95% confidence interval for the mean sodium content of "reduced sodium" hot dogs. A
tatuchka [14]

Answer:

n > 96

Therefore, the number of samples should be more than 96 for the width of their confidence interval to be no more than 10mg

Step-by-step explanation:

Given;

Standard deviation r= 25mg

Width of confidence interval w= 10mg

Confidence interval of 95%

Margin of error E = w/2 = 10mg/2 = 5mg

Z at 95% = 1.96

Margin of error E = Z(r/√n)

n = (Z×r/E)^2

n = (1.96 × 25/5)^2

n = (9.8)^2

n = 96.04

n > 96

Therefore, the number of samples should be more than 96 for the width of their confidence interval to be no more than 10mg

6 0
3 years ago
A new car is purchased for 24600 dollars. The value of the car depreciates at 5.5% per year. To the nearest year, how long will
boyakko [2]

Answer:

The number of years until the value of the car is 11300 dollars is 9 years.

Step-by-step explanation:

This can be calculated using the following formula:

Value of the Car = Purchase cost - (Annual depreciation expenses * N) ........ (1)

Where;

N = Number of years until the value of the car is 11300 dollars

Purchase cost = $24,600

Annual depreciation rate = 5.5%

Annual depreciation expenses = $24,600 * 5.5% = $1,353

Value of the car = $11,300

Substituting the value into equation (1) and solve for N, we have:

$11,300 = $24,000 - ($1,353 * N)

$1,353 * N = $24,000 - $11,300

$1,353 * N = $12,700

N = $12,700 / $1,353

N = 9.38654841093865

Rounding to the nearest year as required by the question, we have:

N = 9

Therefore, the number of years until the value of the car is 11300 dollars is 9 years.

Step-by-step explanation:

4 0
3 years ago
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