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Anestetic [448]
2 years ago
15

What should be done first to evaluate the expression? 3 + (5 - 3)2 × 4

Mathematics
1 answer:
Kryger [21]2 years ago
5 0

Answer:

19

Step-by-step explanation:

19 is the answer I think so

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What is the value of x in the equation x .0825x = 6.38
morpeh [17]
X=8.79393730,-8.79393730
3 0
3 years ago
Here is a sketch of y=x^2+bx+c The curve intersects
atroni [7]

Answer:

y = 18  and  x = -2

Step-by-step explanation:

y = x^2+bx+c   To find the turning point, or vertex, of this parabola, we need to work out the values of the coefficients b and c. We are given two different solutions of the equation. First, (2, 0).  Second, (0, -14). So we have a value (-14) for c. We can substitute that into our first equation to find b. We can now plug in our values for b and c into the equation to get its standard form. To find the vertex, we can convert this equation to vertex form by completing the square. Thus, the vertex is (4.5, –6.25). We can confirm the solution graphically     Plugging in  (2,0) :

y=x2+bx+c  

0=(2)^2+b(2)+c  

y=4+2b+c  

-2b=4+c  

b=-2+2c  

Plugging in  (0,−14) :

y=x2+bx+c  

−14=(0)2+b(0)+c  

−16=0+b+c  

b=16−c  

Now that we have two equations isolated for  b , we can simply use substitution and solve for  c .   y=x2+bx+c  16 + 2 = y   y = 18  and  x = -2

4 0
3 years ago
A place kicker in pro football has a 77% probability of making a field goal over 40 yards, and each attempted field goal is inde
Mice21 [21]

The probability that the team will win the sport is 77%.

Given that an area kicker in pro football incorporates a 77% probability of creating a field goal over 40 yards and every attempt field goal is independent.

Probability is how something is likely to happen. The probability of a happening is calculated by the probability formula by simply dividing the favorable number of outcomes by the overall number of possible outcomes.

So, his team will win the sport if he makes a goal otherwise loses.

Therefore, the Probability that his team will win the sport P[E] =P[making a field goal]

P[E]=77%

Hence, the probability that the team will win the sport when making a field goal is 77%.

Learn more about probability from here brainly.com/question/993963

#SPJ4

7 0
2 years ago
How do I get it (it’s worth 3 marks)
Stella [2.4K]

Answer:

58.5

Step-by-step explanation:

6.5*9=58.5

3 0
3 years ago
The shadow of a vertical tower is 72.0-ft long when the angle of elevation of the
OlgaM077 [116]
38.15 ft is the height of the tower using tangent
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3 years ago
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