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2 years ago

Mr. Tang created a number line for his class to use.

Mathematics

2 answers:

hodyreva [135]2 years ago

7 0

Answer:

Point D

Step-by-step explanation:

I hope this helps

Oxana [17]2 years ago

6 0

The answer is point D

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What is 67 x 578 divide by 5?

MA_775_DIABLO [31]

Answer:

7745.2

Step-by-step explanation:

you need to multiply 67 by 578 which is 38726. then you divide it by 5. In short, you can just use calculator or you can use scratch paper.\

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2 years ago

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The engine life for a certain brand of lawn mower is modeled by the function f(h) = 50 - 1 3 h where h represents hours used. Wh

Colt1911 [192]

Answer: C. Engine life decreases steady with time.

Step-by-step explanation:

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3 years ago

What is 2x+y=4 and 2x+y=-1

butalik [34]

Answer:

{x,y} = {5,6}

Step-by-step explanation:

// Solve equation [1] for the variable x

[1] x = y - 1

// Plug this in for variable x in equation [2]

[2] 2•(y -1) - y = 4

[2] y = 6

// Solve equation [2] for the variable y

[2] y = 6

// By now we know this much :

x = y-1

y = 6

// Use the y value to solve for x

x = (6)-1 = 5

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3 years ago

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Analyze the diagram below and complete the instructions that follow. Find a, b, and c.

ahrayia [7]

Answer:

<u>The correct answer is the letter C. </u>

Step-by-step explanation:

We can use the following trigonometric identity:

$cos(60)=\frac{6}{b}$ (1)

$cos(45)=\frac{c}{b}$ (2)

Solving each equation by b and equaling we have:

$\frac{6}{cos(60)}=\frac{c}{cos(45)}$

Let's recall that:

$cos(45)=\frac{1}{\sqrt{2}}$

$cos(60)=\frac{1}{2}$

Then we have:

$c=\frac{cos(45)*6}{cos(60)}$

$c=\frac{2*6}{\sqrt{2}}$

$c=\frac{12}{\sqrt{2}}$

$c=6\sqrt{2}$

Using equation (1) we can find b.

$cos(60)=\frac{6}{b}$

$b=12$

Finally, we can find a using the next equation:

$tan(60)=\frac{a}{6}$

$a=6*tan(60)$

$a=6\sqrt{3}$

<u>Therefore, the correct answer is the letter C. </u>

I hope it helps you!

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2 years ago

The following list shows how many brothers and sisters some students have: 3, 2, 3, 2, 1, 2, 1, 3, 4, 5, 4, 3, 1, 2 State the mo

Wewaii [24]

Answer:

2 and 3

Step-by-step explanation:

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2 years ago

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