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3241004551 [841]
2 years ago
8

Translate this phrase into an algebraic expression. 57 decreased by twice a number Use the variable n to represent the unknown n

umber.​
Mathematics
1 answer:
harkovskaia [24]2 years ago
5 0

Answer:

Step-by-step explanation:

57-2n

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Amanda exercised for 10 minutes every day in the first week, 20 minutes in the second week, 30 minutes in the third week, and 40
Misha Larkins [42]
                  Amanda           Billy
1st week       10                   5
2nd week      20                  10 
3rd week       30                  20
4th week       40                  40
<span>
A) Amanda's method is linear because the number of minutes increased by an equal number every week.</span>
common difference is 10.
1st week      0 + 10 = 10
2nd week   10 + 10 = 20
3rd week    20 + 10 = 30
4th week    30 + 10 = 40

Billy's method is exponential:
5(2)^x

1st week   5(2⁰) = 5(1) = 5
2nd week  5(2¹) = 5(2) = 10
3rd week   5(2²) = 5(4) = 20
4th week   5(2³) = 5(8) = 40
8 0
3 years ago
Read 2 more answers
5x<br> 2x<br> 7x<br> 4x<br> Equation<br> X=
V125BC [204]

Answer:

look this for the solution

3 0
3 years ago
The ages, in years, of children at a birthday party, are 4, 7, 8, 2, 9, 6, 5, 5, 9, 7, 8. What is the median age?
sveticcg [70]

Answer:

The median age is 7.

Step-by-step explanation:

2, 4, 5, 5, 6, <u>7</u>, 7, 8, 8, 9, 9,

First you put the numbers in the right numerical order. Then you find the the middle/central number out of all the numbers in the numerical data set in order to find the median.

Hope you found this helpful! :)

6 0
3 years ago
A cliff diver leaps from a 100-foot cliff into the Pacific. The diver's height above the water is modeled by the
Elanso [62]

Answer:

2.1

Step-by-step explanation:

Use F ookin desmos

7 0
3 years ago
Find the 2nd term of an arithmetic sequence with t5 = 3 and t7 = 7?
svetlana [45]
Let a be the first term and d be the common difference

t5 = 3 = a + 4d
t7 = 7 = a + 6d

a + 6d - a - 4d = 7 - 3
2d = 4
d = 2

Sub d = 2,
3 = a + 4(2)
a = -5

t2 = a + d
t2 = -5 + 2
t2 = -3
6 0
3 years ago
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