B and C? Please? I already did the table

Answers

Answer 1

Answer:
Now you're trying hard to make something hard out of something easy.

It gives you the equation . . . C = -7.11 t + 153.9

b). Take this equation, and calculate 'C' when 't' is -20.

   Find 'C' : C = (-7.11)(-20) + 153.9

   I'm sure you can do this easily.

c). Take this equation, and calculate what 't' would have to be
   in order to have C=50 .

   Find 't': 50 = (-7.11) t + 153.9

       I'm sure you can do this easily too.

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Liz has three times as many Barbie dolls as she does Ken dolls.What is the ratio of Liz’s Barbie to Ken dolls?

Answers

it's 3:1 because if liz has one ken doll she three times as many as that.

-3(2r+7)=3 solve for r

Answers

-3(2r+7)=3
Opening the brackets;
-6r-21=3
-6r=3+21
-6r=24
r=-4

-3(2r+7)=3
-6r + -42=3
+42 +42
-6r =45
Then all you do is divide

I need answer to this question

Answers

y - 6 =3( x - 6) <=> 3x - y =12.

what is: x + 3 - 2x -1 = 4

5 3

Answers

(x + 3)/5 - (2x - 1)/3 = 4 / * 15

3(x + 3) - 5(2x - 1) = 15 * 4

3x + 9 - 10x + 5 = 60

7x = 60 - 9 - 5

7x = 46 / : 7

x = 6 4/7

Answer:

X= -46/7

Step-by-step explanation:

step1: left part times 15 is 3(X+3)-5(2X-1)

step2: right part times 15 is 60

step3: 3(X+3)-5(2X-1)=60

step4: 3X+9-10X+5=60

step5: -7X+14=60

step6: -7X=46

step7: X= -46/7

Compute the least-squares regression line for predicting y from x given the following summary statistics. Round the slope and y-intercept to at least four decimal places. x =8.2 sx =2.2 sy = 1.8 r = 0.60 y = 1300

Answers

Answer: pedro alvares cabral descobriu o brazil, cristóvao colombo a america

Step-by-step explanation:

which of the following are reasonable answers for the product of two negatives and a positive? •20 •10 •-20 •-10

Answers

The product of two negatives and one positive will give you a negative number. Take the three numbers; -1, -1, and 1. There are two negatives and one positive.
-1 x -1 x 1 = 1 x 1 = 1 = positive number
So the possible answers are the positive numbers:

20 and 10

Hope this helps :)

The correct answers are:

20 and 10.

Explanation:

Multiplying two negatives results in a positive product. Multiplying this positive product by another positive number will result in a positive answer. This means the only possible answers from our choices are the two positive ones, 20 and 10.

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Help me with this!!!