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2 years ago

Please help this is for my test

Mathematics

1 answer:

Volgvan2 years ago

3 0

Answer:

Step-by-step explanation:

for qn 14 use the SOH CAH TOA method

use cos for this so. cos 47 degree= x/13

solve for x.

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PLEASE HELP I NEED THIS TURNED IN,

DerKrebs [107]

Answer:

3/3 is equivilant to 1.

Multiplying 6/4 by 1, would be 6/4. Also, multiplying 6/4 by 3/3 would be 18/12, which could be simplified to 6/4.

Hope this helps!

3 0

2 years ago

An equilateral ∆ has sides of length 16 cm. Find the length of an altitude.

inn [45]

The length of the altitude is $8\sqrt{3}$

Explanation:

Let ABC be an equilateral triangle.

It has sides of length 16 cm

Let AD be the altitude of the triangle.

We need to determine the length of an altitude.

Let AC = 16 cm and CD = 8 cm

Let us consider the right angled triangle ADC

Using the Pythagorean theorem, we have,

$AC^2=AD^2+DC^2$

Substituting the values, we get,

$16^2=AD^2+8^2$

$256=AD^2+64$

$192=AD^2$

$8\sqrt{3}=AD$

The length of the altitude is $8\sqrt{3}$

5 0

2 years ago

This school is also thinking of changing their mascot to an armadillo. To change mascot, a 55% supermajority is needed. How many

Dennis_Churaev [7]

Answer:

132 students

Step-by-step explanation:

100% means all of something, so 100% can also be written as 1.00

Since we need 55% of 240, we can multiply 240 by 0.55 and get 132.

5 0

2 years ago

What is the greatest number of tens in 384

elena-s [515]

Answer:

30 tens

90 is the greatest number of tens

6 0

2 years ago

20+ POINTS!!!

Sphinxa [80]

Question 1= would equal 63 but why is there no 63?(did you type the answers right? or the angles right?
47+70=117
180-117=63

question 2 would be 36
54+90=144
180-144=36

6 0

2 years ago