All categories

1 year ago

A traffic helicopter descends 153 meters to be 445 meters above the ground, as illustrated in the

Mathematics

1 answer:

sertanlavr [38]1 year ago

6 0

Answer:

598 meters

Step-by-step explanation:

In the problem, the word 'decend' means to decrease in elevation.

Our equation:

$? - 153 = 445$

Add 153 to both sides of the equation:

$?= 598$

598 meters represents the original height of the helicopter.

You might be interested in

Twice a number increased by 8 is less than -4

stepladder [879]

Answer:

Twice a number : 2x

increased by : +

8 : 8

is equal to : =

the number : x

increased by : -

-4 : -4

The answer is 2x+8 < -4

5 0

3 years ago

<B Round your answer to the nearest hundredth. 2 А 3 ? B

Svet_ta [14]

Answer:

∠ B ≈ 41.81°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin B = $\frac{opposite}{hypotenuse}$ = $\frac{AC}{AB}$ = $\frac{2}{3}$ , thus

B = $sin^{-1}$ ( $\frac{2}{3}$ ) ≈ 41.81° ( to the nearest hundredth )

5 0

3 years ago

Write an equation for the following word problem: "the difference of twice a number and 3 is -21"

murzikaleks [220]

Answer:

-9

Step-by-step explanation:

4 0

2 years ago

Plz help i just started pretty confused

Elina [12.6K]

Answer:

right

neither

straight

neither

Step-by-step explanation:

The first angle is a right angle. The box in the corner indicates a 90 degree angle

The second angle is less than 90 degrees so it is an acute angle

The third angle is a straight line so it is a straight angle.

The fourth angle is wider than 90 degrees it is an obtuse angle

4 0

2 years ago

Apply the laws of exponents, calculate the result and express the result in scientific notation, and as a decimal: (8.1*10^-4)^2

AfilCa [17]

<h3>Answer:</h3>

the result in scientific notation is 6.561×10⁻⁷
the result as a decimal is 0.000 000 656 1

<h3>Explanation:</h3>

The rules of exponents say the exponent outside parentheses applies to each factor inside parentheses.

... (8.1*10^-4)^2 = 8.1^2 × (10^-4)^2

... = 65.61 × 10^-8

... = 6.561 × 10^-7 . . . . adjust to scientific notation with one digit left of the decimal point

The exponent of -7 means the decimal point in the decimal number is 7 places to the left of where it is in scientific notation. That is ...

... 6.561 × 10^-7 = 0.0000006561

4 0

3 years ago