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kodGreya [7K]
3 years ago
13

Help please I’m tired

Mathematics
1 answer:
klasskru [66]3 years ago
8 0

Answer:

8.11

Step-by-step explanation:

7.14 right answer should be

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Find the equation of the line that is perpendicular to y = 2x + 8 and passes though the point (8, –8).
irina1246 [14]

Answer:

y= -1\2x-4

Step-by-step explanation:

y=mx+c

perpinicular means you flip the slop and change the sign so the slope(m) become -1\2

y=-1\2x+c

since he gives you (8,-8) meaning x=8 and y= -8

we substitute

-8=(-1\2 x 8) +c

now we isolate c

-8+4=c

c=-4

the equation will be

y= -1\2x-4

3 0
3 years ago
16. Write an expression to represent the<br> perimeter of the figure below.<br> X + 2<br> 2x - 3
ahrayia [7]

Answer:

[2(x+2)] + [2(2x-3)]

Step-by-step explanation:

perimeter is all sides added together. This expression multiplies both sides by 2 in order to represent the other 2 sides not notated in the picture.

4 0
3 years ago
At the movies, you order 3 boxes of popcorn and a bottle of water. The cost of the bottle of water is $1.75. Your total cost is
anastassius [24]
X=cost of one box of popcorn.
we can suggest this equation:

3x+1.75=9.25

3x=9.25-1.75
3x=7.5
x=7.5/3
x=2.5

Answer: the equation to find the cost of one box of popcorn is 3x+1.75=9.25, and the cost of one box of popcorn is $2.5. 
8 0
3 years ago
Read 2 more answers
A rectangular image of length 5 cm and width 7 cm is magnified in a studio. On magnification, 1 cm of the image represents 15cm.
Andre45 [30]

Answer:

238 cm

Step-by-step explanation:

so we have a scale factor   of  17: 1

originally we had the dimensions:   3cm by 4m

now we have    3*17  by 4*17  = 51 cm by 68 cm

Perimeter = 2*51 + 2*68 = 238 cm

8 0
2 years ago
Read 2 more answers
If y/100 has to be a represented as a decimal what would it be ?
zalisa [80]
It would be .01 or .0y in your case
5 0
3 years ago
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