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3 years ago

Which is the place value of the 9 in the number 9,231,478?

Mathematics

2 answers:

yuradex [85]3 years ago

8 0

The millions place

Hope this helps!
Let me know if i'm wrong

netineya [11]3 years ago

8 0

Hello!

You count how many places over the 9 is

The order goes
ones, tens, hundreds, thousands, ten thousands, hundred thousands, millions

The 9 is in the millions place

Hope this helps!

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Find the volume of a square oblique pyramid whose base measures five feet per side, with a vertical height of 18 feet. A. 225 ft

Oxana [17]

Answer:

B. 150 ft³

Step-by-step explanation:

The general formula for the volume of a pyramid is:

V = $\frac{1}{3}Bh$ where B = the area of the base and h = height of the pyramid

Since the base of the pyramid is a square, we can take the length of the side squared:

A = s²

A = 5² = 25 ft²

Using B = 25 and h = 18:

V = $\frac{1}{3}*25*18=150ft^{3}$

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3 years ago

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Find the area of the polygon

AlekseyPX

Answer:

The answer is $383m^{2}$ .

To find the area of a rectangle, we multiply the length of the rectangle by the width of the rectangle.

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3 years ago

At the base of a pyramid, a surveyor determines that the angle of elevation to the top is °. At a point meters from the base, th

riadik2000 [5.3K]

Answer:

$\frac{(\sin 18^\circ)}{75} = \frac{(\sin 35^\circ)}{x}$

Step-by-step explanation:

Incomplete question:

$\angle CBD = 53^\circ$

$\angle CAB = 35^\circ$

$AB = 75$

See attachment for complete question

Required

Determine the equation to find x

First, is to complete the angles of the triangle (ABC and ACB)

$\angle ABC + \angle CBD = 180$ --- angle on a straight line

$\angle ABC + 53= 180$

Collect like terms

$\angle ABC =- 53+ 180$

$\angle ABC =127^\circ$

$\angle ABC + \angle ACB + \angle CAB = 180$ --- angles in a triangle

$\angle ACB + 127 + 35 = 180$

Collect like terms

$\angle ACB =- 127 - 35 + 180$

$\angle ACB =18$

Apply sine rule

$\frac{\sin A}{a} = \frac{\sin B}{b}$

In this case:

$\frac{\sin ACB}{AB} = \frac{\sin CAB}{x}$

This gives:

$\frac{(\sin 18^\circ)}{75} = \frac{(\sin 35^\circ)}{x}$

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3 years ago

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Are integers_____ rational numbers? Always Sometimes Never

Alexandra [31]

Answer:

sometimes because it depends on the sign whether it's negative or positive

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3 years ago

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A person places $103 in an investment account earning an annual rate of 1.9%, compounded continuously. Using the formula V = P e

Advocard [28]

Answer:

$115.36

Step-by-step explanation:

Given data

P=$103

r=1.9%

t= 6 years

The expression for the amount is given as

$V = P e ^{r t}$

substitute

$V = 103*e^{0.019 *6}$

$V = 103*e^{0.114}\\\\V = 103*1.120\\\\V = 115.36\\\\$

Hence the final amount is $115.36

7 0

3 years ago