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Lisa [10]
4 years ago
8

The first term of an arithmetic progression is 30 and the common difference is -1.5. Find the value of the 25th term

Mathematics
2 answers:
kramer4 years ago
6 0

Answer:

the answer to this is

-6

kap26 [50]4 years ago
4 0

Answer:

-6

Step-by-step explanation:

a_1=30

d=-1.5

-1.5n+31.5

-1.5(25)+31.5

-37.5+31.5

=-6

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Hilary Unraveled 3.0 centimeters of ribbon then continued to unravel 1.5 more centimeters. Which horizontal number line could be
Snezhnost [94]

<u>Answer:</u>

The horizontal number line that could be used to show number of centimeters of ribbon Hilary unraveled is 3cm to 4.5cm

<u>Explanation:</u>

Given that Hilary has already unraveled 3.0 centimeters of ribbon and then continues to unravel 1.5 more.

So starting will be 3.0 cm and maximum ribbon unravelled will be equal to 4.5cm so the horizontal number line that could be used would be from 3cm to 4.5cm including both fractional and integral values.

6 0
3 years ago
Read 2 more answers
Prove or disprove that if a and b are two rational numbers, then a b is also a rational number.
Harman [31]
That is not correct, In a quotient or any type of equation numbers are considered rational number when they have repeating values, for this we will use {x} for example when comparing repeating values.


So if we have {a} + {b} from a equation prior to obtaining these values then we will take {a} + {b} and add {c} we will end up with {a} + {b} + {c}. We are using addition for an example.


{c} would only be a rational if it as well had repeating {x} values 

{x}=Repeating value
5 0
4 years ago
2k^2-5k-18=0 what is both of the values of k? plz help!!! 15 pts!!!
ddd [48]
To factor quadratic equations of the form ax^2+bx+c=y, you must find two values, j and k, which satisfy two conditions.

jk=ac and j+k=b

The you replace the single linear term bx with jx and kx. Finally then you factor the first pair of terms and the second pair of terms. In this problem...

2k^2-5k-18=0

2k^2+4k-9k-18=0

2k(k+2)-9(k+2)=0

(2k-9)(k+2)=0

so k=-2 and 9/2

k=(-2, 4.5)
5 0
4 years ago
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victus00 [196]

Step-by-step explanation:

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3 0
3 years ago
??? Find each value or measure
postnew [5]

Answer:

48 points thxs

Step-by-step explanation:

6 0
3 years ago
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