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PtichkaEL [24]
3 years ago
5

FINALS HELP SORRY!!!!!!

Mathematics
2 answers:
monitta3 years ago
4 0
I believe the 4th one
an=145+an-1 and a1=20
emmasim [6.3K]3 years ago
4 0
If you type "sorry" after "finals help," that perhaps indicates that you know you should not be asking for help with an exam.  Otherwise your exam grade will not reflect your true knowledge and skill correctly.

Here this person starts with $145.  So, immediately discard the 2nd and 4th possible answers.


It appears that the 1st and 3rd possible answers are identical.  Double-check the original problem, please.
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Choose the equation below that represents the line passing through the point -3,-1 with the slope of four
tresset_1 [31]

Answer:

y+1 = 4(x+3)

Step-by-step explanation:

To write the equation of a line use the point slope form by substituting m = 4 and the point (-3,-1).

y - y_1 =m(x-x_1)\\y --1 = 4(x--3)\\y+1 = 4(x+3)

5 0
3 years ago
Katie says ‘when you half a whole number that ends in 6, you always get a number that ends in 3.’ Write down an example to prove
mart [117]

Answer:

if you half 16 you get 8 not 3

6 0
3 years ago
You know that 15% of a number n is 12. How can you use this to find 30% of n? 45% of n? Explain.
Keith_Richards [23]
30% is 24
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5 0
3 years ago
A carpenter is building a rectangular shed with a fixed perimeter of 54 ft. What are the dimensions of the largest shed that can
lutik1710 [3]

Answer:

the Largest shed dimension is 13.5 ft by 13.5 ft

Largest Area is 182.25 ft²

Step-by-step explanation:

Given that;

Perimeter = 54 ft

P = 2( L + B ) = 54ft

L + B = 54/2

L + B = 27 ft

B = 27 - L ------------Let this be equation 1

Area A = L × B

from equ 1, B = 27 - L

Area A = L × ( 27 - L)

A = 27L - L²

for Maxima or Minima

dA/dL = 0

27 - 2L = 0

27 = 2L

L = 13.5 ft

Now, d²A/dL² = -2 < 0

That is, area is maximum at L = 13.5 using second derivative test

B = 27 - L

we substitute vale of L

B = 27 - 13.5 = 13.5 ft

Therefore the Largest shed dimension = 13.5 ft by 13.5 ft

Largest Area = 13.5 × 13.5 = 182.25 ft²

7 0
3 years ago
What is the slope of this graph?<br> 0.3<br> -3<br> los<br> 1<br> 3<br> 3<br> 1<br> 2 3 4 5
iren2701 [21]

Answer:

A

Step-by-step explanation:

Use the formula rise/run. The rise, in this case, was 3 and the run was 1. There for it would be 3/1 which is simplified to 3.

3 0
3 years ago
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