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podryga [215]
3 years ago
5

5 x 12 ÷ [-12 + {15+ (4 - 13)}]​ please solve this clearly

Mathematics
2 answers:
suter [353]3 years ago
7 0

Answer:

-10x

Step-by-step explanation:

Leno4ka [110]3 years ago
3 0

Answer:

Use the bodmas rule and do..

Solve in this order

B=bracket

O=of (multiply)

D=divison

M=multiplication

A=addition

S=subtraction

Step-by-step explanation:

U should remember this, it is very important and useful:))

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The height of water shooting from a fountain is modeled by the function f(x)= -4x^2 +24x -29 where access to distance from the s
suter [353]

By the use of the completing the square method, the maximum height of the path of the water 3 ±√29/4 + 9 m.

What is called distance?

  • Distance is a numerical measurement of how far apart objects or points are.
  • The distance between two points is the length of the path connecting them.
  • In  everyday usage, distance may refer to a physical length or an estimation based on other criteria (e.g. "two counties over").
  • The distance from a point A to a point B is sometimes denoted as. .

h = -4x² +24x -29

Now we have;

0 = -4x² +24x -29

-4x² +24x -29= 0

x² - 6x = -29/4

(x - 3)² = -29/4 + 3²

(x - 3)² =  -29/4 + 9

x = 3 ±√29/4 + 9 m

Therefore, the maximum height of the path of the water  x = 3 ±√29/4 + 9 m

Learn more about distance

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7 0
2 years ago
An electrician leans an extension ladder against the outside wall of a
Lesechka [4]

The length of the ladder is 34.33 feet if the electrician leans an extension ladder against the outside wall of a house so that it reaches an electric box 33 feet up. The ladder makes an angle of 74° with the ground.

<h3>What is a right-angle triangle?</h3>

It is defined as a triangle in which one angle is 90 degrees and the other two angles are acute angles. In a right-angled triangle, the name of the sides are hypotenuse, perpendicular, and base.

We have:

An electrician leans an extension ladder against the outside wall of a

house so that it reaches an electric box 33 feet up. The ladder makes

an angle of 74° with the ground.

The ladder, wall, and ground makes a right angle triangle.

From the sin ratio;

\rm sin74 = \dfrac{33}{X}

Here is X is the length of the ladder.

We know sin74 = 0.961

After putting, we will get:

X = 34.329 ≈ 34.33 feet

Thus, the length of the ladder is 34.33 feet if the electrician leans an extension ladder against the outside wall of a house so that it reaches an electric box 33 feet up. The ladder makes an angle of 74° with the ground.

Learn more about the right angle triangle here:

brainly.com/question/3770177

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6 0
3 years ago
Mountain Climbers use a general rule of thumb which estimates that the temperature will drop 3.5 degrees Fahrenheit for every 10
Evgesh-ka [11]

Answer:

55.5F

Step-by-step explanation:

y = mx + b

m = slope = -3.5/1000

distance = x = 1000

b = temperature at x = 0 = 59F according to https://www.universalweather.com/blog/international-standard-atmosphere-how-it-affects-flight-understanding-the-basics/

temperature = y = ?

y = -.0035(1000) + 59

y = 55.5

7 0
4 years ago
BRANLIEST PLZZZ Let us say you live in the United Sates and will be vacationing in Canada for 2 months. Discuss all the unit con
g100num [7]

Answer:

take care everyone be safe

stay home , stay safe

take vaccination

7 0
3 years ago
Emilia has a bag of colored marbles. The bag contains the same ratio of red marbles to blue marbles as the ratio of green marble
Nana76 [90]

A is the correct answer

Hope this helps!

8 0
3 years ago
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