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bekas [8.4K]
3 years ago
8

Write the following in slope intercept form:

Mathematics
1 answer:
alexandr1967 [171]3 years ago
8 0
To change it into slope intercept (y=mx+b) you just replace the inequality with an equality and isolate y

x<=2:
x=2=y-> y=2 or y=2+0x

2x-3y>=4:
2x-3y=4
2x-4=3y
(2/3)x-(4/3))=y
y=(2/3)x-(4/3)

x+y>0:
x+y=0
y=-x or y=-x+0
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Find the two angles and show work!!!
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Answer:

x=23.5

Step-by-step explanation:

90=25-x/2+18

combine like terms

90=43-x/2

subtract 43 from both sides

47= -×/2

47/2= 23.5

x=23.5

or

90-25= 65

65-18=47

47/2=23.5

5 0
3 years ago
Enter the pair of fractions 6/7 and 13/14 with the smallest common denominator between the two fractions
fredd [130]

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25/14

Step-by-step explanation:

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How do I solve : 4e ^ 0.1x = 60
gladu [14]
X = 10 1n (15)

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Read 2 more answers
15. Erica can run 4 miles in 56 minutes. How many miles does Erica run if she runs for 12 minutes
Fiesta28 [93]
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7 0
2 years ago
A researcher wants to study the average miles run per day for marathon runners. In testing the hypotheses: H0: μ = 25 miles vs.
masya89 [10]

Answer:

The calculated value |Z|  = 1.325  < 1.881 at 0.03 level of significance

Null hypothesis is accepted

Alternative hypothesis is rejected

A researcher wants to study the average miles run per day for marathon runners is 25

Step-by-step explanation:

<u><em>Step(i):</em></u>-

Given sample size 'n' = 36

Given mean of the sample x⁻ = 22.8 miles

Given mean of the Population 'μ' = 25

Given standard deviation of the Population 'σ' = 10

<u><em>Null hypothesis:-H₀: μ = 25</em></u>

<u><em>Alternative Hypothesis:H₁:μ ≠ 25</em></u>

Level of significance  = 3 % or 97%

The critical value  Z₀.₉₇ = 1.881

<u>Step(ii):</u>-

Test statistic

           Z  = \frac{x^{-} - mean}{\frac{S.D}{\sqrt{n} } }

          Z  = \frac{22.8 - 25}{\frac{10}{\sqrt{36} } }

          Z = -1.325

       |Z| = |-1.325| = 1.325

The calculated value |Z|  = 1.325  < 1.881 at 0.03 level of significance

Null hypothesis is accepted

Alternative hypothesis is rejected

<u>conclusion:-</u>

A researcher wants to study the average miles run per day for marathon runners is 25

     

6 0
2 years ago
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