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solong [7]
3 years ago
9

Long Questions

Mathematics
1 answer:
docker41 [41]3 years ago
4 0
484 dollars ...........
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Cans of corn are on sale at 10 for $4. Find the cost of 15 cans?
SpyIntel [72]
10/15 = 4/x
10x=60
x=6
8 0
3 years ago
Select the correct answer from the choices given
ohaa [14]
The answer is n= -13-4i
8 0
3 years ago
A line has a slope of –5 and a y-intercept of (0, 3). What is the equation of the line that is perpendicular to the first line a
neonofarm [45]
Slope-intercept form:
y=mx+b
m=slope
b=y-intercept

Data of the first line:
m=-5
b=y-intercept=3  (y-intercept=it is the value of "y" when x=0)

y=-5x+3

A line perpendicular to the line y=mx+b will have the following slope:
m`=-1/m

Therefore: the line perpendicular to the line y=-5x+3 will have the following slope:
m´=-1/(-5)=1/5

Point-slope form of a line: we need a point (x₀,y₀) and the slope (m):
y-y₀=m(x-x₀)

We know, the slope (m=1/5) and we have a point (3,2) therefore:
y-y₀=m(x-x₀)
y-2=1/5(x-3)     (point-slope form)
y-2=(1/5)x-3/5
y=(1/5)x-3/5+2
y=(1/5)x+7/5    (slope-intercept form)

Answer: the line perpendicular to the first line will be: y=(1/5)x+7/5



3 0
3 years ago
Read 2 more answers
A scuba diver swam 96 feet beneath the surface of the lake. He then climbs up 49 feet. What is his depth now? Please explain and
geniusboy [140]
0 = Surface level

Beneath means subtraction.
0 - 96 = -96

Climbs means addition.

-96 + 49 = -47

The scuba diver is -47 feet beneath the surface of the lake.


3 0
4 years ago
Read 2 more answers
Solve for x. Round your answer to the nearest tenth. Type only the
solniwko [45]

Answer:

63.5

Step-by-step explanation:

using soh-cah-toa, you can determine that the x and the value given are sin(theta). Sin is opposite over hyp.

thus,

sin(theta) = 17 \div 19

theta =  {sin}^{ - 1} (17 \div 19)

once you solve that you get the angle x equals to 63.4746 which can be rounded to 63.5°

hope this helps!

8 0
2 years ago
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