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mote1985 [20]
3 years ago
7

Solve for r. 19 − 17r = -16r

Mathematics
1 answer:
ELEN [110]3 years ago
8 0

Answer:

$19=r$

Step-by-step explanation:

$19-17r=-16r$

Add 17r to both sides:

$19-17r+17r=-16r+17r$

$19=-16r+17r$

$19=r$

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Suraj took a slice of Pizza from the freezer and put it in the oven the pizza temperature in degrees Celsius as a function of ti
stepan [7]

Answer:

The oven heat the pizza at 8 degree Celsius per minute

Step-by-step explanation:

Select any two points on the graph.

(I take these as they lie on grid lines)

(0.75,0) and (2,10)

now calculate slope using these two points

slope = change in Y ÷ change in X

          = (10-0) ÷ (2-0.75)

          = 8

So, the oven heat the pizza at 8 degree Celsius per minute

4 0
4 years ago
a 29 gram sample of a substance that's used to preserve fruits and vegetables has a k-value of 0.1359. Find the substance's half
kaheart [24]
Okay well
a(t)= amount of substance remaining after t days
assuming exponential decay, a(t)=29e^-0.1359t

now, find the half, set a(t)= half the original and solve for t

14.5=29e^-0.1359t
0.5=e^-0.1359t
In(0.5)=In(e^-0.1359t)
In(0.5)=-o.1359t

t=in(0.5)/(-0.1359)= (aprox) 5.1 days

6 0
4 years ago
Read 2 more answers
Can you pleas help this is a math question
Irina18 [472]

Answer:

10.5 baskets

Step-by-step explanation:

The median is the middle value, but for this one just add the two in the middle and divide by 2.

4+3 = 7

Each ball is 3 baskets

7×3 = 21

21/2 = 10.5

8 0
2 years ago
Which of the following statements is not true?
icang [17]

Answer:

-3.7 > -3.1

Step-by-step explanation:

Because -3.1 more close to 0 so is supposed to be bigger than -3.7

8 0
3 years ago
Select all that are equal to 3. <br><br> log28<br><br> log416<br><br> log327<br><br> log101,000
Novay_Z [31]

MrBillDoesMath!

Answers:

 log (base2) 8 = 3 as 2^3 =8                Yes

 

 log (base 3) 27 = 3  as 3^3 = 27         Yes


log (base 4) 16 = 2

log101,000  -- unclear what this means


MrB

8 0
4 years ago
Read 2 more answers
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