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postnew [5]
3 years ago
7

Look at the image for the question?

Mathematics
2 answers:
alekssr [168]3 years ago
6 0

Answer:

<u>Surface area = the sum of the area of all six sides:</u>

(11 · 10) + (11 · 10) + (11 · 8) + (11 · 8) + (8 · 10) + (8 · 10)

= 110 + 110 + 88 + 88 + 80 + 80

= 220 + 176 + 160

= 556 ft²

Ber [7]3 years ago
4 0

Answer:

556 ft^2

Step-by-step explanation:

The surface area of a rectangular prism is

SA = 2(lw+wh+lh) where h is the height l is the length and w is the width

SA = 2( 11*10+10*8+11*8)

      = 2(110+80+88)

      =2(278)

     =556 ft^2

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Suppose that w and t vary inversely and that t = 5/12
Svetlanka [38]

Answer:

Option B. t=5/3w ;1/3

Step-by-step explanation:

We are told that w varies Inversely with t thus generally speaking w∝\frac{1}{t}  since they are inverted, <u>otherwise</u> if they were proportionally varied then w∝t. This means that there is a constant value ( a ) for which w is inversely proportional to t and can be mathematically expressed as:

w=\frac{a}{t}        Eqn. (1)

Now since we are given the values of w=4 and t=\frac{5}{12}, we can plug them in Eqn. (1) and find our constant of proportionality a as follow:

w=\frac{a}{t}\\ \\a=wt\\\\a=(4)(\frac{5}{12} )\\\\a=\frac{5}{3}

Now that we have our constant we can find the new t value for the second value of w=5 as follow:

w=\frac{a}{t} \\\\t=\frac{a}{w}\\ \\t=\frac{\frac{5}{3} }{5}\\\\t=\frac{5}{15}\\ \\t=\frac{1}{3}\\

Therefore based on the options give, we can see that Option B. is correct since

t=\frac{5}{3w} and for w=5, then t=\frac{1}{3}

8 0
3 years ago
A side of the triangle below has been extended to form an exterior angle of 64°. Find the value of x.
horsena [70]

180- 64 =116

x°+18°+116°= 180°

x°+134°=180°

x°=180-134

x°=46°

8 0
2 years ago
Read 2 more answers
What is 1/8 transferred to a percentage?
sineoko [7]
0.125 is the answer
8 0
3 years ago
Read 2 more answers
An airplane flies at a constant speed. It can travel a distance (d) of 1,800 kilometers in 2 hours (t).
ss7ja [257]
D = 900t

because if you want to simplify t (2 hours) into one then you divide 1800 by 2 and that gives you the constant of proportionality (slope) of 900. Using this information you can write the expression d = 900t.
8 0
3 years ago
Isaiah is planning to send a video game to each of his
BlackZzzverrR [31]

Answer:

x = 45.25 and 2x + 9.50 < 100

Step-by-step explanation:

Okay, so I dont know if you want am explanation but here I go

if for each game shipping is 4.75, you multiply by 2 to find the total there, hence 9.5.

and you dont want to go over $100, so the amount you spent has to be less then $100

and you're going to buy 2 games, x stands for the price.

2x + 9.50 < 100

2x < 90.5 (i just subtracted 9.5 on each side)

2/2x = 90.5/2

x = 45.25

4 0
3 years ago
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