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qwelly [4]
3 years ago
6

A toaster has four slots for bread. Once the toaster is warmed up, it takes 35 seconds to make 4 slices of toast, 70 seconds to

make 8 slices, and 105 seconds to make 10 Slices. How long do you think it will take to make 20 slices?
Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
6 0

Answer:

192.5

Step-by-step explanation:

You are adding 35 sec to every 4 pieces of bread once you get to 20 you divide 35 and get 17.5 so the answer id 192.5

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Pls help and show workings <br> Due ASAP
tester [92]

Answer: B

Step-by-step explanation:

The equation y+2=\frac{3}{4} x-8 is not yet in slope-intercept form(y=mx+b).  Simply subtract 2 from both sides to turn the equation into slope intercept form as y=\frac{3}{4}x-10.  For a line to be perpendicular to another, it must have an opposite reciprocal slope.  A reciprocal is the fraction reversed, where the numerator is the denominator and vice versa.  Thus, 3/4 would become 4/3.  The opposite reciprocal of 3/4 would be -4/3.

The slope of the line given is 3/4.  Thus, simply plug in the opposite reciprocal of 3/4 for the slope to get: y=-\frac{4}{3} x+b.  Then, because the line passes through -12, 1, plug those values in for x and y, respectively.  

1=-\frac{4}{3}*-12+b

1=16+b

-15=b

Thus, the equation of the line is y=-\frac{4}{3} x-15, or B.

Hope it helps :D

4 0
3 years ago
What is the gcf of 99 and 132?
jek_recluse [69]
<span>The Greates Common Factor (GCF) is:   3 x 11 = 33</span>
8 0
3 years ago
The volume of a three-dimensional shape is
Karo-lina-s [1.5K]
Are you looking for the equation.. V=bh?
5 0
3 years ago
What's the greatest common factor of 52 and 91?
lora16 [44]
13 !!
52/13 = 4
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Good Day !!
Liaaam66
6 0
3 years ago
Read 2 more answers
If the simple interest on $5,000 for 4 years is $1,600, then what is the interest rate?
matrenka [14]

Answer:

0.08, or 8%

Step-by-step explanation:

The appropriate formula is i = p*r*t, where p is the principal, r is the interest rate as a decimal fraction, and t is the time in years.

We want to calculate r when i, p and t are known.

                                                           i

Solving i = p*r*t for r, we get r = ------------

                                                       p*t

The interest rate in this case is

        $1600

r = ---------------- = 0.08, or 8%

      $5000*4

8 0
3 years ago
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