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3 years ago

Idk my little sister asked me this question but idk how to answer it

Mathematics

2 answers:

Masteriza [31]3 years ago

8 0

3 mins 35 seconds yuuh

PtichkaEL [24]3 years ago

4 0

Answer:

Step-by-step explanation:

There are three sets of 60s (3minutes) and if you add 60+60+60 you get 180. Then you take 215-180 and get 35. So 3 minutes and 35 seconds

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a camera sells for $100. this is $10 less than twice the price of the camera last year. what was the price of the camera last ye

Lesechka [4]

Answer:

55?

Step-by-step explanation:

110 would be the last year for two and then divide by two

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3 years ago

Simplify the following expression.

lana66690 [7]

Answer:

D. log(9)

Step-by-step explanation:

$log(9x^{5})+5log(\frac{1}{x})$

Remember: $A log (x) = log(x^{A})$

$log(9x^{5})+log((\frac{1}{x})^{5})$

Remember: $log_{a} (x)+log_{a}(y)=log_{a}(xy)$

$log(9(\frac{1}{x})^{5}x^{5})$

Simplify...

$log(9)$

Hope this helps! If you need steps for simplifying, just ask! :]

6 0

3 years ago

Find the slope of a ski run that descends 15 feet for every horizontal change of 24 feet

Setler79 [48]

Slope=rise/run
rise=-15 feet (since it's downhill)
run=24 feet
slope=-15/24=-5/8
slope=-5/8

6 0

3 years ago

Find the coordinates of midpoint of the segment joining the point (32,10)& (0,18).

solniwko [45]

Answer:

Step-by-step explanation:

$Midpoint = (\frac{x_{1}+x_{2}}{2},\frac{y_{1}+y_{2}}{2})\\\\=(\frac{32+0}{2},\frac{10+18}{2})\\\\=(\frac{32}{2},\frac{28}{2})\\\\=(16,14)$

6 0

2 years ago

Read 2 more answers

Find the equation of the line passes through (2,5) and perpendicular to 2x + 3y=5

finlep [7]

Answer:

y - 5 = (3/2)(x - 2)

Step-by-step explanation:

If two lines are perpendicular, their slopes are negative reciprocals of one another.

The slope of 2x + 3y = 5 is found by solving this equation for y:

3y = -2x + 5, or y = (-2/3)x + 5/3.

Thus, the slope of the new line is the negative reciprocal of -2/3, which in turn comes out to 3/2.

Use the point-slope formula y - k = m(x - h):

Substituting the givens, we get y - 5 = (3/2)(x - 2)

4 0

3 years ago