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melomori [17]
3 years ago
5

1

Mathematics
1 answer:
Over [174]3 years ago
4 0

Answer:

yes she is wrong

Step-by-step explanation:

becuse you add all of them up and get higher.

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Which statement is true? <br> 4/14=6/21=8/28;<br> 4/14&gt;6/21&gt;8/28;<br> 4/14&lt;6/21&lt;8/28.
ki77a [65]

statement 4/14=6/21=8/28 is true

Step-by-step explanation:

When dividing the fraction they all equal to 0.285714

5 0
4 years ago
A concrete pillar has the shape of a cylinder. It has a diameter of 8 m and a height of 9 m. If concrete cost $87 per cubic mete
krek1111 [17]

Answer:

It will cost $39,337.92 for the piller.

Step-by-step explanation:

Given that,

The diameter of the cylinder, d = 8 m

Height of the cylinder, h = 9 m

If concrete cost $87 per cubic meter, we need to find how much the concrete cost for the pillar.

The volume of the cylinder is given by :

V=\pi r^2h\\\\=3.14\times (4)^2\times 9\\\\=452.16\ m^3

Cost per cubic meter = $87

Cost for 452.16 m³ will be :

C = 452.16 × 87

C = $39,337.92

Hence, it will cost $39,337.92 for the piller.

3 0
3 years ago
Please answer these two thx❤️
Paul [167]

Answer:

8) v = 312

9) s = -12/13

Step-by-step explanation:

8) Multiply left and right by -14, then you get

v-18 = -21*-14

v-18 = 294

Add 18 left and right:

v = 294 + 18

v = 312

9) Add 26 left and right

-13s = -14 + 26

-13s = 12

Divide left and right by -13

s = -12/13

8 0
4 years ago
32 assignments have been turned in. 14 didn't have names. The rest were put into 3 equal piles to grade over 3 days. How many as
denpristay [2]
Answer: is 6 because if you take away 32 and 14 you will get 18 and if you divide 18 into 3 equal piles for three days you will get 6.......graded assignments

Your Welcome:)
6 0
3 years ago
If mAngleP = 85°, which is a possible measure for AngleY? mAngleY = 80° mAngleY = 85° mAngleY = 100° mAngleY = 180°
Serhud [2]

Answer:

<h2>100°</h2>

Step-by-step explanation:

The complete question is

In the triangles, XY = MP and YZ = PN.

If mP = 85°, which is a possible measure for Y?

  1. mY = 80°
  2. mY = 85°
  3. mY = 100°
  4. mY = 180°

This problem is solved by simple reasoning.

In the figure, you can observe that angle Y is major than angle P, because the third side of the first triangle is major than the third side of the second triangle. So, the right answer must be higher than 85°, which is option 3, because it cannot be 180°, due to the graph doesn't show an straight angle at Y, and cannot be 80° because is lower than 85°

Therefore, the right answer is 100°.

4 0
3 years ago
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