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3 years ago

Evaluate. 72 - 3 + 9 × 8 ÷ 2 w =

Mathematics

2 answers:

d1i1m1o1n [39]3 years ago

6 0

Answer:

Step-by-step explanation:

Request of activities so increase then division, at that point deduction and expansion.

9*8 = 72

72/2 = 36

72-3 = 69

69+36 = 105

Another way of saying it is:

Utilize the request for tasks to improve on mathematical articulations. The request is brackets, types and roots, augmentation and division, expansion and deduction. Duplication and division are "something similar" so you would utilize the first that happens from left to right.

Bit by bit clarification:

7^2 - 3 + 9 x 8 ÷ 2

49 - 3 + 9 x 8 ÷ 2

49 - 3 + 72 ÷ 2

49 - 3 + 36

49 - 39

W=10

Brainliest?

Ymorist [56]3 years ago

4 0

80% sure this is right-

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Find the proportion of heights that are within 1 standard deviation of the sample mean and also the proportion that are within 2

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For a normal distribution <em>only, </em>for a population, not for particular sample.

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8 0

3 years ago

Arithmetic sequence for 8 11 14 17 expression

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3 years ago

For a project in her Geometry class, Chee uses a mirror on the ground to measure the

maria [59]

The geometry technique that Chee uses to find the height of the goalpost is the equal ratio of the corresponding sides of similar triangles.

Correct response:

The eight of the goalpost is approximately <u>16.91 meters</u>.

<h3>Methods used to calculate the height</h3>

The length Chee is using the mirror to measure = The height of her school's football goalpost

The distance of the mirror from the goalpost = 14.35 meters

The distance on the other side of the mirror Chee steps to = 1.4 meters

The distance from her eyes to the ground = 1.65 meters

Required:

How tall is the goalpost.

Solution:

By using similar triangles relationships, we have;

$\dfrac{1.65}{1.4} = \mathbf{\dfrac{Height \ of \ the \ goalpost, h}{14.35} }$

Which gives;

$h = \dfrac{1.65}{1.4} \times 14.35 = 16.9125 \approx \mathbf{ 16.91}$

The height of the goalpost, h ≈ <u>16.91 meters</u>

Learn more about similar triangles here:

brainly.com/question/10676220

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2 years ago