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2 years ago

Wilte the following equation in standard form:

Mathematics

1 answer:

Alex2 years ago

4 0

Answer:

B. option is the current answer.

Step-by-step explanation:

Standard form here means, the the exponential powers of constants must be arranged in ascending order.

Here,

constant is " a ".

Exponential power ( in ascending order ) = 5, 4, 2, 1

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1. Calculate the area of the<br> figure below. Round to the<br> hundredths place when<br> necessary.

a_sh-v [17]

Answer:

The area is 88.39 cm

Step-by-step explanation:

Here, we want to find the area of the semicircle given that the diameter of the semi circle is 15 cm

We start by getting the radius

Mathematically r = D/2

= 15/2 = 7.5

Area of semicircle is area of circle/2

= (pi * r^2)/2

= (22/7 * 7.5^2)/2 = 88.39 cm

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3 years ago

An elephant at an animal sanctuary weighs 5.5 tons. He receives a daily nutritional supplement. The instructions say to give 1 f

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44 fl oz there are 2000 pounds in a tone for x amount of supplement… ( supplement volume)/(weight in pounds) = x/(5.5*2000)=1/250 multiplied by 11000
x=11000/250=44 fl

7 0

3 years ago

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The profile of the cables on a suspension bridge may be modeled by a parabola. The central span of a bridge is 1270 ft long and

deff fn [24]

Answer:

Step-by-step explanation:

Given

span of bridge $L=1270\ ft$

height of span $h=157\ ft$

Equation of Parabola

$y=0.00039x^2$

$|x|$ i.e.

$-635$

$\frac{dy}{dx}=2\times 0.00039$

length of Arc $=\int_{a}^{b}\sqrt{1+(\frac{dy}{dx})^2}$

$=\int_{-635}^{635}\sqrt{1+(\frac{dy}{dx})^2}$

$=\int_{-635}^{635}\sqrt{1+(0.00078x)^2}$

$=2\times \int_{0}^{635}\sqrt{1+(0.00078x)^2}$

$=2\times (660.08)$

$=1320.16\ ft$

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3 years ago

If the length and width of a rectangular solid are increased by 10% and the height is increased by 20%, by what percent is the v

9966 [12]

LWH=V

increasse by 10% means times 1.10
increase by 20% is times 1.20

L turns to 1.1L
W turns to 1.1W
H turns to 1.2H

(1.1L)(1.1W)(1.2H)=1.452LWH
so it is increased by 45.2%

8 0

3 years ago

Describe the relationship between the area of a circle and its circumference.

AfilCa [17]

Answer:

Area

1/2

Radius

Step-by-step explanation:

We know that for any circle with radius r the formula for the area and circumference of the circle is given as:

Area of circle=πr².

and circumference of circle = 2πr.

Hence, to describe the relationship between the area of a circle and its circumference.

The Area of circle is 1/2 times the radius times the circumference.

( Since,

Area=1/2 × r× 2πr

Area=πr² )

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3 years ago

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