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wariber [46]
2 years ago
14

Heeeeeeeeeeeeeeeeeeeelllllppp​

Mathematics
1 answer:
adoni [48]2 years ago
7 0

Answer:

120 degrees.

Step-by-step explanation:

All the angles in a triangle add up to 180. You have two of the angles given:

50 degrees and 70 degrees

To find the third angle of the triangle (BAC), use the expression:

180 - (50 + 70)

180 - 120

60

So, the third angle in the triangle is 60 degrees. Looking at angle DAB, you can see that it forms a straight line with angle BAC. A straight line is 180 degrees. Since we know BAC is 60, and BAC + DAB = 180, by doing 180 - 60, you can see that angle DAB is 120 degrees.

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Ahat [919]
Answer: 6 days

Explanation: If he washes 75 cars in 5 days; and you need to find how many days it takes to wash 90 you do 75 divided by 5 which is 15; so he washes 15 cars in a day, then do 90 divided by 15 which is 6 days
8 0
3 years ago
plzzz finish 4, 5, 6, 9, 10, 11, 12, 14, and 15 you dont have to answer all but atleast anwer like 2 or 3 \( i scratched out the
nika2105 [10]

Answer:

4. -4

5. -2

6. -3

Step-by-step explanation:

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Divide both sides by -6

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6. -14 = 4x - 2

Add 2 to both sides;

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8 0
2 years ago
Hat is the surface area of a sphere with a diameter of 16 cm
alexgriva [62]
A sphere<span> is a three-dimensional space, such as the shape of a football. A sphere is a body bounded by a surface whose every point is equidistant (i.e. the same distance) from a fixed point, called the center or the origin of the sphere.</span>
6 0
3 years ago
What is the root of the equation 2x + 10 = f(x)?
Korolek [52]

Answer:

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Step-by-step explanation:

2x+10=0

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5 0
2 years ago
Read 2 more answers
Find the derivative of f(x) = negative 9 divided by x at x = -8.
marusya05 [52]

Answer:

f'(-8)=\frac{9}{64}

Step-by-step explanation:

Given the function

f(x)=\frac{-9}{x}

We can rewrite it as

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Now we can apply the power rule

f'(x)=9x^{-2}

Now we can rewrite it

f'(x)=\frac{9}{x^{2} }

Now we can plug in x=-8

f'(-8)=\frac{9}{(-8)^{2} }\\f'(-8)=\frac{9}{64}

7 0
3 years ago
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