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3 years ago

What is the equation of the line that has a y-intercept of 4.5?

Mathematics

1 answer:

leonid [27]3 years ago

5 0

Answer:

a) y = 4.5

Step-by-step explanation:

y intercept is where the line crosses the y axis. so y must be 4.5

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4|m−n| if m=−7 and n=2 i really need to know what this is asap please

vekshin1

Answer:

Step-by-step explanation:

Plug in -7 as m and 2 as n into the expression:

4 | m - n |

4 | -7 -2 |

Solve:

4 | -9 |

4(9)

= 36

6 0

3 years ago

Which equation has the same soultions as x^2+6×-7=0

blagie [28]

$x^2+6x-7=0 \\ a=1 \\ b= 6 \\ c=-7 \\ \\ \boxed{\boxed{\Delta=b^2-4ac}} \\ \\ \Delta=6^2-4*1*(-7) \\ \Delta=36-(-28) \\ \Delta=64 \\ \Delta\ \textgreater \ 0 \Rightarrow \text{we have 2 solutions :} X_1 \ and X_2 \\ \\ \boxed{X_1= \frac{-b- \sqrt{\Delta} }{2a} } \Rightarrow X_1= \frac{-6-8}{2}=-7 \\ \\ \boxed{X_2= \frac{-b+ \sqrt{\Delta} }{2a} } \Rightarrow X_2= \frac{-6+8}{2} =1$

4 0

3 years ago

Josh borrowed $50,000 from the bank to buy a new truck. The bank is going to charge him an interest rate of 6.9%. If his loan la

Neko [114]

Answer:

The simple interest is $11,212.5 and the equation to determine Josh's simple interest is I = PRT/100

Step-by-step explanation:

The formula for calculating simple interest is expressed as;

SI = Principal * rate * time/100

SI = 50,000 * 6.9*39/100*12

SI = 500*6.9*39/12

SI = 134,550/12

SI = 11,212.5

Hence the simple interest is $11,212.5 and the equation to determine Josh's simple interest is I = PRT/100

P is the amount borrowed

R is the interest rate

T is the time in years

8 0

3 years ago

(-36)^1/2= a.) 1/6 b.) -6 c.) no real number

hjlf

It's suppose to be -18 so I guess no real number....

4 0

4 years ago

The sum of three consecutive odd numbers is 69. What is the biggest number?

ohaa [14]

Answer:

25 is the answer

Step-by-step explanation:

21 23 25

6 0

3 years ago