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muminat
3 years ago
9

Please help im confused

Mathematics
2 answers:
Korvikt [17]3 years ago
8 0
28.7% is your answer
Gnesinka [82]3 years ago
3 0
74/258 = %/100 , cross multiply 74 times 100 then divide by 258 = 28.6821705 , rounding it gets you to 28.7%. The answer is D.
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Gretchen has a set of blocks of heights 1, 2, and 4-centimeters. Imagine stacking the blocks one on top of the other to make a t
notsponge [240]

Answer:

t_{n}=t_{n-1}+t_{n-2} +t_{n-4}

Step-by-step explanation:

t_{n}=multiple ways to climb a tower

When n = 1,

tower= 1 cm  

t_{1}= 1

When n = 2,

tower =2 cm   

t_{2}= 2

When n = 3,

tower = 3 cm

it can be build if we use three 1 cm blocks

t_{3} = 3

When n = 4,

tower= 4 cm

it can be build if we use four 1 cm blocks

t_{4} = 6

When n > 5

tower height > 4 cm

so we can use 1 cm, 2 cm and 4 cm blocks

so in that case if our last move is 1 cm block then t_{n-1} will be

n —1 cm

if our last move is 2 cm block then t_{n-2} will be

n —2 cm

if our last move is 4 cm block then t_{n-4} will be

n —4 cm

 

t_{n}=t_{n-1}+t_{n-2} +t_{n-4}

4 0
3 years ago
Read 2 more answers
Forty-eight pens are packaged in 4 boxes. How many pens are packaged in 9 boxes?
Monica [59]
48/4= 12 pens per box
12*9 = 108 pens in 9 boxes
6 0
3 years ago
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A line passes through (−1, 7) and (2, 10).
Pachacha [2.7K]
The slope m of a line through points A(x_1, y_1) and B(x_2, y_2)  is given by :<span>

\displaystyle{m = \frac{y_2-y_1}{x_2-x_1}&#10;



Thus, the slope of the line passing through points </span><span>(−1, 7) and (2, 10) is 

</span>\displaystyle{m= \frac{10-7}{2-(-1)}= \frac{3}{3}=1
<span>

The equation of a line with slope m passing through a point P(a, b) is given by
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We can consider any of the points (-1, 7), or (2, 10). Let's choose (2, 10):

                                        y-10=1(x-2)
                                        y-10=x-2
                                           y-x=-2+10
                                           y-x=8
                                       

  Answer: </span><span>C. −x+y=8</span>
7 0
3 years ago
V = Bh for h. <br> A. h = BV<br> B. h=B/V<br> C. h=V/B<br> D. h = V – B
Darina [25.2K]
C. h=V/B to solve for this you need to get the variable h by itself and since h is being multiplied to B you use the opposite operation of division by divide both sides by B. Then you have h solved for h=V/B
5 0
3 years ago
Today only, a table is being sold at a 62% discount. The sale price is $144.40.
Korolek [52]
  • Answer:

<em>$ 232.90</em>

  • Step-by-step explanation:

<em>62% ........... $144.40</em>

<em>100% ..........$ x</em>

<em>x = 144.40×100/62</em>

<em>= 14440/62</em>

<em>= $ 232.90</em>

3 0
3 years ago
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