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deff fn [24]
3 years ago
15

Help pls i give u brainliest and 5 stars​

Mathematics
2 answers:
Vesnalui [34]3 years ago
5 0

Answer:

Surface area means all 6 sides

TOP side= 2 multiplied by 5

Bottom = 2 multiplied by 5

Right face   = 2 multiplied by 8.1

Left face = 2 multiplied by 8.1

Back side = 5 multiplied by 8.1

front side = 5 multiplied by 8.1

10+10+16.2+16.2+40.5+40.5 = 133.4 cm ^2

Mrrafil [7]3 years ago
5 0

Answer:

133.4 cm²

Step-by-step explanation:

The opposite faces of the cuboid are congruent, thus

front/ back = 2(8.1 × 5) = 2 × 40.5 = 81 cm²

top/ bottom = 2(5 × 2) = 2 × 10 = 20 cm²

sides = 2(8.1 × 2) = 2 × 16.2 =32.4 cm²

Thus

Surface area = 81 + 20 + 32.4 = 133.4 cm²

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HELP ME PLSSSS :))))))​
guapka [62]
If u add them all up and multiple by two in total he walks 43 blocks
6 0
2 years ago
2. 2x - y = 6,<br> - x + y = -1
allochka39001 [22]

Answer:

x = 5

y = 4

Step-by-step explanation:

just substitute the value of one variable into the other

-x +y = -1

or y = -1 +x   <-------- (i just added x to the right side)

now u know what y is equal to, just substitute that value into the first equation

2x - (-1+x) = 6     <-------- instead of y, i put the value of y from the 2 equation

NOW SOLVE FOR X!

2x +1 -x = 6

x + 1 = 6

x = 5

now solve for y since you have the value of x

y = -1 + x

or y = -1 + 5

y = 4

3 0
3 years ago
Read 2 more answers
Consider the inverse function. which conclusions can be drawn about f(x) = x2 2? select three options.
Elodia [21]

The function has a y-intercept at (0, 2). Then the correct options are A, B, and E.

The complete question is attached below.

<h3>What is the maximum and minimum value of the function?</h3>

The condition for the maximum will be

f"(x) < 0

The condition for the minimum will be

f"(x) > 0

Consider the inverse function.

f⁻¹(x) = -√(x - 2)

Then the conclusion of the function f(x) = x² + 2 will be

Differentiate the function, then we have

f ' (x) = 2x

Again differentiate, then we have

f" (x) = 2

f" (x) > 0

Then the function has a minimum value at (0, 2)

The function has a y-intercept at (0, 2)

Then the correct options are A, B, and E.

More about the maximum and minimum value of the function link is given below.

brainly.com/question/13581879

#SPJ1

5 0
1 year ago
The volleyball team sold 16 items on the first day of a bake sale, 28 items the second day, and 12 items the last day. There wer
Marrrta [24]
16+28+12=56

56+4=60

There were 60 total items for sale at the bake sale.
7 0
3 years ago
Read 2 more answers
Divide and round to the nearest hundredths place.<br> 4.05 ÷ 0.07
Vesna [10]
57.857143 is the answer. 

5 0
3 years ago
Read 2 more answers
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