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Dominik [7]
3 years ago
7

What is the value of x in the equation below?

Mathematics
2 answers:
vampirchik [111]3 years ago
5 0

Answer:

x= 7

Step-by-step explanation:

-3-(-8)-(-2)= x    

-3+8+2=x      (negative multiply negative) = +

-3+10=x

x=7

Viefleur [7K]3 years ago
4 0

Answer:

-9 may be the right answer

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Identify two ordered pairs below that would form a direct variation:
Aleks [24]

Answer:

(12,3) and (20,5)

Step-by-step explanation:

When using the direct variation equation we can check these by division and we get .25 for the answer of both.

3/12 and 5/20

3 0
3 years ago
Todd has 21 white tiles dnd some black tiles to make a mosaic. The mosaic has a total area of 144 Square centimeters. Each tile
tekilochka [14]

Answer:the number of black tiles that Todd used is 27

Step-by-step explanation:

Let x represent the number of black tiles that Todd used.

Todd has 21 white tiles and some black tiles to make a mosaic. Each tile has an area of 3 square. It means that the total area of the white tiles is 21 × 3 = 63 cm^2

The total area of the white tiles is x × 3 = 3x cm^2

The mosaic has a total area of 144 Square centimeters. It means that

3x + 63 = 144

3x = 144 - 63 = 81

x = 81/3 = 27

3 0
3 years ago
Find the answer of 400% of 90
lozanna [386]

Answer:

360 I think

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
If (-7,43) and (4,-12) are two anchor points on the trend line, then find the equation of the line
Romashka [77]
Slope, found using the points is -55/11 = -5
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-12=-5(4)+b
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8 0
3 years ago
A ship is anchored off a long straight shoreline that runs north and south. From two observation points 16 miles apart on shore,
ELEN [110]
D - the shortest distance from the ship to the shore.
d / ( 17 - x ) = tan 32° = 0.62487
d / x = tan 53° = 1.32704
d = 0.62487 ( 17 - x )
d = 1.32704 x
0.62487 ( 17 - x ) = 1.32704 x
10.62279 - 0.62487 x = 1.32704 x
x = 10.62279 : 1.95191
x = 5.44226 miles
d = 5.44226 · 1.32704
Answer:
d = 7.222  miles
6 0
3 years ago
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