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3 years ago

Plz help me on this. I'll give Brainliest award and Brainliest award comments on it.

Mathematics

2 answers:

kodGreya [7K]3 years ago

8 0

Answer:

983.382

Step-by-step explanation:

You need to change each into a whole number with a decimal. It makes it much easier!

8 1/2= 8.50

9 1/3= 9.33

12 2/5= 12.4

8.50*9.33*12.4= 983.382

Helen [10]3 years ago

4 0

Answer:

volume should be 980.22

Step-by-step explanation:

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From a point on the ground, Geoff measures the angle of elevation of a 130m tower to be 36°. How far from the base of the tower

Gala2k [10]

Answer:

Geoff is 16.77 m far from base of tower.

Step-by-step explanation:

steps are in the picture below.

<h3>Note:if you need to ask any question please let me know.</h3>

6 0

2 years ago

A snow plough has a 3.2m blade set at an angle of 30 degrees How wide a path will the snow plough clear

snow_tiger [21]

Answer:

1.6m

Step-by-step explanation:

The length of the blade is 3.2m

The angle which the blade makes is 30°

Assuming the path of the blade and the length it covers is a right-angled triangle,

The length of the blade is the hypothenus while the path at which it clears is the opposite of the triangle.

See attached document for better illustration.

Using SOHCAHTOA,

Sinθ = opposite / hypothenus

opposite = x

hypothenus = 3.2

θ = 30°

Sin30 = x / 3.2

X = 3.2sin30

X = 3.2 × 0.5

X = 1.6m

The path which the snow plough clears is 1.6m

6 0

2 years ago

10 POINTS!!! Name an angle that is adjacent to ∠BOC.

bogdanovich [222]

An angle adjacent to BOC would be COD or BAC.

5 0

2 years ago

Tonya has 39 packages. Each package weighs 6 pounds. Choose the best estimate of the total weight of the packages.

Sidana [21]

Step-by-step explanation:

If were estimating, 39 is pretty close to 40 and 40x6 is 240 pounds. if we are getting exact about it, then 234 pounds

5 0

2 years ago

The angle Johnny holds his pen on paper creates a linear pair. The measure of one angle is 13x + 7. The

tresset_1 [31]

<h3>The value of x is 4.10</h3>

Solution:

Given that,

The angle Johnny holds his pen on paper creates a linear pair

Angles in a linear pair are supplementary angles

Two angles are supplementary, when they add up to 180 degrees

The measure of one angle is 13x + 7

The measure of the second angle is one less than twice the first angle

Therefore,

Measure of second angle = twice the first angle - 1

Measure of second angle = 2(13x + 7) - 1

Measure of second angle = 26x + 14 - 1

Measure of second angle = 26x + 13

Therefore,

Measure of first angle + measure of second angle = 180

13x + 7 + 26x + 13 = 180

39x + 20 = 180

39x = 180 - 20

39x = 160

x = 4.1

Thus value of x is 4.10

3 0

3 years ago