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10 months ago

Write the following quantity, 1 millimeter (mm), in powers of tens: _

Mathematics

1 answer:

NikAS [45]10 months ago

3 0

1 millimetre = 1/1000 = 1×10^-3 m

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Each roll is 80 feet long. How many rolls would be needed to decorate 240 feet of wall space?

Tju [1.3M]

Answer:

3 rolls

Step-by-step explanation:

Divide 240 feet by 80 feet per roll. That equals 3.

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3 years ago

Read 2 more answers

2. Today Carly’s bank account contains $82. Yesterday she made a withdrawal of $25. What was the bank account balance before Car

Slav-nsk [51]

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3 years ago

A school flag poll casts a 16 foot shadow on the lawn. A teacher stood at the shadows edge and measure the angle of elevation to

vovikov84 [41]

Answer:

30.1 feet.

Step-by-step explanation:

We have been given that a school flag poll casts a 16 foot shadow on the lawn. A teacher stood at the shadows edge and measure the angle of elevation to the top of the poll at 62°. We are asked to find the height of the tall.

First of all, we will draw a diagram to represent our give scenario as shown in the attachment.

We can see that side length with 16 feet is adjacent side and height of the pole (h) is opposite side to angle of elevation.

We know that tangent relates opposite side of a right triangle to its adjacent side.

$\text{tan}=\frac{\text{Opposite}}{\text{Adjacent}}$

$\text{tan}(62^{\circ})=\frac{h}{16}$

$h=16\cdot \text{tan}(62^{\circ})$

$h=16\cdot 1.880726465346$

$h=30.0916234\approx 30.1$

Therefore, the poll is approximately 30.1 feet tall.

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3 years ago

3x − 15= 3x + 15<br> what is x?

Marina CMI [18]

We are given the following equation and want to find the possible values of x

$3x-15=3x+15$

Subtract both sides by 3x

$3x-15-3x=3x+15-3x$

$-15=15$

Now, we have this weird equation. Since -15 is NOT equal 15 and there is no other way we could have solved for x, there is no real solution to the given equation.

In other words, there is no value of x that makes the equation true.

Let me know if you need any clarifications, thanks!

~ Padoru

7 0

3 years ago

Given the following functions, find and simplify (f • g)(x) f(x)=—x+3 g(x)=-x-1

Hitman42 [59]

Answer:

$(f\circ g)(x)= x + 4$