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3 years ago

Is -0.8 greater,less or equal to -0.3

Mathematics

2 answers:

shusha [124]3 years ago

8 0

The answer would be less because-0.3 is higher than -0.8

Mrac [35]3 years ago

4 0

Answer:

-0.8 is less than -0.3

Step-by-step explanation:

when dealing with decimals the closer it is to 1 the greater it is

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How do I solve 27×36

Fudgin [204]

Answer:

972

Step-by-step explanation:

so you put it up and down 72

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and you do the same with the 3

3x2 and 3x7

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3 years ago

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Complete the table and sketch the graph

Simora [160]

Answer:

where's the picture?

Step-by-step explanation:

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2 years ago

How is this supposed to be solved, i don’t really understand.

dezoksy [38]

Answer:

$2561.99 a quarter

Step-by-step explanation:

Just add together what they pay every year, then multiply by 25.5% (because that's the quarterly premium.)

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= 8900 + 772 + 375 = $10047 a year.

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5 0

3 years ago

(-6x - 8) - (8x-9) can you subtract the expressions

Tcecarenko [31]

Answer:

-14x+1

Step-by-step explanation:

-6x-8

-8x+9

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4 0

2 years ago

A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks along the x-axis from the spotlight toward the bui

Sedbober [7]

Answer:

0.675 m/s

Step-by-step explanation:

Let height of shadow= y,CD=x

Height of man=2 m

Speed of man= $\frac{dx}{dt}=1. 8 m/s$

$\triangle ABD\sim\triangle ECD$

Therefore, $\frac{AB}{EC}=\frac{BD}{CD}$

$\frac{y}{2}=\frac{12}{x}$

$xy=24$

Differentiate w.r.t t

$x\frac{dy}{dt}+y\frac{dx}{dt}=0$

$x\frac{dy}{dt}=-y\frac{dx}{dt}$

$\frac{dy}{dt}=-\frac{y}{x}\frac{dx}{dt}$

When the man is 4 m from the building

Then, we have x=12-4=8 m

$\frac{dx}{dt}=1.8 m/s$

Substitute the values in above equation then, we get

$8y=24$

$y=\frac{24}{8}=3$

Substitute the values then we get

$\frac{dy}{dt}=-\frac{3}{8}\times 1.8=-0.675 m/s$

Hence, the length of his shadow on the building decreasing at the rate 0.675 m/s.

8 0

3 years ago