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bekas [8.4K]
1 year ago
14

HELP PLS ILL GIVE BRAINLIEST

Mathematics
1 answer:
Vilka [71]1 year ago
8 0

Answer:

2•5s+s

10s+s

11s

the first one

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The three sides of a triangle are 4cm, 6cm and 8cm.
yarga [219]

Answer:

In bold below.

Step-by-step explanation:

(a) The largest angle is opposite the largest side.

So by the Cosine Rule:

8^2 = 4^2 + 6^2 - 2*4*6 cos x

cos x =  (8^2 - 4^2 - 6^2) / (-2*4* 6)

= -0.25.

x = 104.48 degrees.

(b) Area of the triangle = 1/2 * 4 * 6 sin 104.48

= 11.62

= 3 √15.

(c)  The shortest altitude will have the longest sides as the base.

Area = 1/2 * altitude * base

3√15 = 1/2 * 8 * a

a = 3√15 / 4 cm

= 0.75√15 cm.

6 0
3 years ago
The planner needs a clearance of 9 feet under the arch has the planner met the minimum
BlackZzzverrR [31]

Yes, the planner has met the minimum height, as the minimum height was 9 feet and the maximum height of the arc is 9.6 feet

<h3>How to explain the information?</h3>

As we can see that at the mid value, for x=4, the value of f(x)=9.4

It means that the maximum height occurs at mid of the arc where it is height is 9.6 feet above the ground.

It means that the planner has met the minimum height, as the minimum height was 9 feet and the maximum height of arc is 9.6 feet

Learn more about height on:

brainly.com/question/17054071

#SPJ1

8 0
1 year ago
11. A large pine tree was struck by lightning and fell as
umka21 [38]

It forms a right triangle.

To find X you can use the Pythagorean theorem which would be written as x^2 = a^2 + b^2

This can be rewritten as x = sqrt(a^2 + b^2)

Using the dimensions of the tree the answer would be :

B. x = sqrt(8^2 + 13^2)

5 0
3 years ago
$500,3.75%,4 Months Use I=Prt
Kitty [74]
Given:
P = $500
r = 3.75% = 0.0375
t = 4 months

Asked: I
Solution: 

I = Prt
I = ($500)(0.0375)(4)

I = $75



7 0
3 years ago
If the regular price of a jacket is $62.00 and the discount rate is 15%, what is the<br> sale price?
uysha [10]

Answer:

52.70

Step-by-step explanation:

62 * 0.15 = 9.300000000000 tvt

62 - 9.30 = 52.70

6 0
2 years ago
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