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Ludmilka [50]
2 years ago
7

HELP I WILL GIVE BRAINIEST

Mathematics
1 answer:
anastassius [24]2 years ago
7 0

Answer:

4

Step-by-step explanation:

4 is wrong

8/6 is not same as 6/4

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The perimeter of the base of a regular quadrilateral prism is 60 cm, the area of a lateral face is 105 cm2. Find: the volume of
Harman [31]
Since the base is a regular quadrilateral, each of its 4 sides must have length
  s = P/4
  s = (60 cm)/4 = 15 cm

The area of one lateral face is the product of side length and height.
  A = s×h
  105 cm² = (15 cm)×h
Then the height of the prism is
  h = (105 cm²)/(15 cm) = 7 cm

The area of the base is then
  B = s²
  B = (15 cm)² = 225 cm²

The volume of the prism is the product of its base area and height.
  V = Bh
  V = (225 cm²)×(7 cm) = 1575 cm³


The volume is 1575 cm³.
5 0
2 years ago
What is 321.5 Kilometers per hour converted to MPH
inessss [21]
321.5\ kmph\approx\boxed{199.770777\ mph}

By the way, Google has a built in calculator. You can just type in "321.5 kmph in mph" and it will come up with this answer.

You could also use the fact that 1\ km\approx0.621371\ mi,
According to the properties of equality, if you have two equal expressions and you change them in the same way, the results wil also be equal.
So that means we can multiply each side by 321.5 and get our answer above.
6 0
3 years ago
Wym has a packet of 50 biscuits she gives half of them to her friend and then eats 8 how many are left
Zanzabum

Answer:

17 biscuits

Step-by-step explanation:

Since she starts with 50 and gives away half which is 25, that will leave her with 25 biscuits herself. If she then eats 8 of them, that will leave her with 17 since 25-8=17.

8 0
2 years ago
From 1-36 how many odd numbers are present ?
Ierofanga [76]

Answer:

There are 18 odd numbers

Step-by-step explanation:

1,3,5,7,9,11,13,15,17, 19,21,23, 25,27,29,31,33,35

6 0
3 years ago
Which function has a y-intercept of -16?
Kipish [7]

Answer:

None

Step-by-step explanation:

5 0
2 years ago
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