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3 years ago

My brain is a rasin so yeah, help a g a i n

Mathematics

2 answers:

Ierofanga [76]3 years ago

8 0

Answer:

Combined time: 55.316 seconds

The difference in times: 0.856 seconds

Tips:

It is addition and subtraction. A basic calculator should help with any other questions such as this one!

AfilCa [17]3 years ago

5 0

Answer:

Combined Time=55.316

Differences of times=0.856 seconds

Step-by-step explanation

It would be greatly appreciated if you gave me brainiest

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Examplelt: A wall of length 10 m was to be built across an open ground. The height of the wall is 4 m and thickness of the wall

harina [27]

Answer :

4167 bricks.

Explanation :

Since the wall with all its bricks makes up the space occupied by it, we need to find the volume of the wall, which is nothing but a cuboid.

Here,

${\qquad \dashrightarrow{ \sf{Length=10 \: m=1000 \: cm}}}$

$\qquad \dashrightarrow{ \sf{Thickness=24 \: cm}}$

$\qquad \dashrightarrow{ \sf{Height=4 m=400 \: cm}}$

Therefore,

${\qquad \dashrightarrow{ \bf{Volume \: of \: the \: wall = length \times breadth \times height}}}$

${\qquad \dashrightarrow{ \sf{Volume \: of \: the \: wall = 1000 \times 24 \times 400 \: {cm}^{3} }}}$

Now, each brick is a cuboid with Length = 24 cm, Breadth = 12 cm and height = 8 cm.

So,

${\qquad \dashrightarrow{ \bf{Volume \: of \: each \: brick = length \times breadth \times height}}}$

${\qquad \dashrightarrow{ \sf{Volume \: of \: each \: brick = 24 \times 12 \times 8 \: {cm}^{3} }}}$

So,

${\qquad \dashrightarrow{ \bf{Volume \: of \: bricks \: required = \dfrac{volume \: of \: the \: wall}{volume \: of \: each \: brick} }}}$

${\qquad \dashrightarrow{ \sf{Volume \: of \: bricks \: required = \dfrac{1000 \times 24 \times 400}{24 \times 13 \times 8} }}}$

${\qquad \dashrightarrow{ \sf{Volume \: of \: bricks \: required = \bf \: 4166.6} }}$

Therefore,

The wall requires 4167 bricks.

6 0

2 years ago

What is the value of x to the nearest tenth? x=2.1 x=3.4 x=9.6 x=13.1

dusya [7]

X /11.2 = 5.4 / 6.3 = 6/7

x = (6 * 11.2) / 7 = 9.6 answer

5 0

3 years ago

T (2,10) is the midpoint of CD. The coordinates of D are (2,13). What are the coordinates of C?

Sati [7]

Your answer should be D because 13-10=3 and 10-3=7 (2, 7)!

7 0

3 years ago

Ana owns an airline and pays the airport $35.00 for each ticket sold. the amount Ana pays is given by f(x)=35x where x is the nu

nirvana33 [79]

Answer:

Domain is all positive real numbers. Range is all real positive numbers.

Step-by-step explanation:

When dealing with real life, negative and imaginary numbers are not a possible answer.

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2 years ago

The diameter of a sphere with a volume of 121.5 cubic mm is ___ mm.

Scorpion4ik [409]

Answer:

Diameter= 6.15

Step-by-step explanation:

Like the radius explanation but multiply the answer by 2.

7 0

2 years ago