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Ket [755]
3 years ago
10

Slope intercept from 2y=-1x-8 step by step please

Mathematics
1 answer:
kap26 [50]3 years ago
5 0

Answer:

The slope-intercept form is y =  -  \frac{1}{2} x - 4

Step-by-step explanation:

☆We are going to solve the equation.

☆We are solving for y.

☆All we need to do is divide.

\frac{2y}{2}  =  \frac{ - 1x - 8}{2}  \\  \\ y =  -  \frac{1}{2}x  - 4

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tankabanditka [31]
The slope is 2.

hope I helped.
7 0
2 years ago
Celine works twice as many hours as she spends in class she studies 4 hours for every hour in class to maintain her health and s
natita [175]

Answer:

she will spend 10 hours in class 40 hours studying and 20 hours working

Step-by-step explanation:

if u simply start at 1 hour of class u get to see the pattern example:

class. study. work

1 4. 2

she works twice as long as she is in class and studies 4 times longer than in class so for every hour she is in class do the math for this condition. for every class hour multiply by 4 to get her study time and then multiply her class hour by 2 to get her work hours. keep going until the total time of all activities adds to 70

4 0
2 years ago
A man who moves to a new city sees that there are two routes he could take to work. A neighbor who has lived there a long time t
sergiy2304 [10]

Answer:

0.3 to 2.3 min

Step-by-step explanation:

n1=n2=10

x1=48

x2=49

s1=4

s2=1

Determine the deegres of freedom.

\delta=\frac{(\frac{s_1^2}{n_1}+\frac{s_2^2}{n_2})^2}{\frac{(\frac{s_1^2}{n1})^2}{n_1-1}+\frac{(\frac{s_1^2}{n1})^2}{n_2-1}}=10.14

t=2.037 (student's appendix)

E=t\sgrt(\frac{s_1^2}{n_1}+\frac{s^2_2}{n_2})=1.3

(x_1-x_2)-E=(48-49)-1.3=-2.3

(x_1-x_2)+E=(48-49)+1.3=0.3

We are 95% confident that average commuting time for  rute A is between 0.3 and 2.3 min shorter than for rute B.

5 0
3 years ago
sipho's dad used 4/11 of the packet of oranges to make juice.The next day he used another 4/11 of the packet of oranges.How many
igomit [66]

9514 1404 393

Answer:

  3/11 were left

Step-by-step explanation:

A packet of oranges is 11/11. Subtracting 4/11 +4/11 = 8/11 from that leaves ...

  11/11 -8/11 = (11 -8)/11 = 3/11

3 elevenths were left.

6 0
2 years ago
Evaluate 4(a^2 + 2b) - 2b when a = 2 and b = –2.
Rama09 [41]

Answer:

4

Step-by-step explanation:

4(4-4)+4=4

insert 2 in a and-2 in b

7 0
3 years ago
Read 2 more answers
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