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2 years ago

Calculate the value of (-18) (-3)

Mathematics

2 answers:

Amanda [17]2 years ago

8 0

Answer:

Step-by-step explanation:

You do -18 times -3 which is equal to 54. It is positive because in multiplication and division if you multiply a negative times a negative or divide a negative divided by a negative it will equal a positive.

Hope this helps!

BARSIC [14]2 years ago

7 0

The answer to this is 54. Hope this helps

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Find m<1 in the rhombus below

Margarita [4]

Answer:

$m \angle \: 1 = 120 \degree$

Step-by-step explanation:

Given figure is of a rhombus.

Measures of the opposite angles of a rhombus are equal.

Therefore,

$m \angle \: 1 = 120 \degree$

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2 years ago

Can anyone help me on my HW i can't seem to find the answer to it and when i do it doesn't make sence

Nadusha1986 [10]

0.75x-18.5=0.65x
0.75x-0.65x=18.5
0.1x=18.5
x=18.5/0.1=185

Answer: x=185

To checkt:
0.75(185)-18.5=138.75-18.5=120.25
0.65(185)=120.25

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2 years ago

I don’t understand how to find the height

ANTONII [103]

Answer:

height, x is 235 ft

Step-by-step explanation:

From trigonometric ratios:

$\cos( \theta) = \frac{adjacent}{hypotenuse}$

but:

$\theta = 90 \degree - 36 \degree \\ \theta = 54 \degree$

adjacent is x

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$\ \cos ( 54 \degree) = \frac{x}{400} \\ \\ x = 400 \ \cos (54 \degree) \\ x = 235 \: \: feet$

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notka56 [123]

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Can someone help I have a picture ?

aleksklad [387]

Answer:

Yes! Wheres the pic? I'll awnser in the comments on this!

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