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attashe74 [19]
3 years ago
7

4/3 of 21, 2/3 of 21

Mathematics
1 answer:
nikdorinn [45]3 years ago
3 0

of means multiply

4/3 x 21/1

= 84/3

= 28

2/3 x 21/1

=42/3

= 14

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PLEASE HELP! I know the top part I just need the bottom!
Zolol [24]

slope  = (y2-y1)/(x2-x1)

        = (70-52)/(8-1)

    = 18/7

=2.6

point slope form

y-y1 = m(x-x1)

y-52 = 2.6(x-1)

distribute

y-52 = 2.6x-2.6

add 52 to each side

y = 2.6x+49.4

y = 2.6x +49


the initial temperature is 49.4 or about 49

and it increases about 2.6 degrees each week


7 0
3 years ago
Suppose we want to choose a value of x within 3 units of 11. [This means a value of x that is less than 3 units away from 11.] T
Dahasolnce [82]

Answer:

(a) [8, 14]

(b)  8 \leq x \leq 14

(c)See attachment

Step-by-step explanation:

We want to choose a value of x within 3 units of 11.

(a)Now, 11-3=8 and 11+3=14

The possible values of x ranges is in the closed interval [8,14]

(b) Since x is within 3 units of 11., we have:

|11-x|\leq3

Solving the absolute inequality

-3 \leq 11-x \leq 3\\$In $ -3 \leq 11-x\\ x \leq 11+3\\x \leq 14\\\\$In $ 11-x \leq 3\\ 11-3 \leq x\\8 \leq x\\$Therefore,an inequality that represents all values of x that meet this constraint is:$\\8 \leq x \leq 14

(c)To draw the number line, we use a closed dot since we have the less than or equal to sign.

5 0
3 years ago
Read 2 more answers
Please help me!<br><br> Decrease £40 by 10%
Alekssandra [29.7K]

Answer:

36

Step-by-step explanation:

40 * .10 = 4

40-4 = 36

6 0
3 years ago
Read 2 more answers
Give right answers for good review
Rainbow [258]

Answer:

45 im not sure doe

Step-by-step explanation:

6 0
3 years ago
Which of the following is true? (1 point)
Soloha48 [4]
2 is true since the absolute value of -6 is 6 and the absolute value of -8 is 8. The absolute value of a number will always be the number itself but positive. Also 6 is less than five which make this true.
4 0
3 years ago
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