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pshichka [43]
3 years ago
11

(8+3) ÷ 3 :3Help T-T

Mathematics
2 answers:
krek1111 [17]3 years ago
8 0

3.6666666667

Step-by-step explanation:

follow PEMDAS start with parentheses 8+3=11

and 11 divided by 3 equals 3.6666666667

Nana76 [90]3 years ago
3 0

Answer:

3.6

Step-by-step explanation:

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In a triangle, one side length is 4 feet and another side length is 7 feet. Which answers are possible lengths for the third sid
Nuetrik [128]

Answer:

3

Step-by-step explanation:

You might just think that I subtracted but on the triangle the last side is the base which is always smaller.

7 0
3 years ago
In △QRS, QR¯¯¯¯¯¯¯¯ has been bisected at point T, and TU¯¯¯¯¯¯¯ has been drawn such that U is the point of intersection of TU¯¯¯
Allushta [10]

9514 1404 393

Answer:

  ∠RTU≅∠TQS

Step-by-step explanation:

To show TU ║ QS, the angles made by transversal RQ with each of those segments must be shown to be congruent. That is, it must be true that ...

  ∠RTU≅∠TQS

5 0
3 years ago
0.5+(-3/4)+0.25-(-4/5)
earnstyle [38]

Answer:

th first one

Step-by-step explanationor fully:

5 0
4 years ago
What is the distance you are standing from the base of the tree?
alex41 [277]

Answer:

c = 12.5903 as it is more accurate

Step-by-step explanation:

tan65 = 27/d , value of tan65 is 2.1445

2.1445 = 27/d

d = 27/2.1445

d = 12.5903

so answer would be c as it is more accurate than others.

5 0
3 years ago
True or false (Picture provided)
Naya [18.7K]
<h2>Hello!</h2>

The answer is: True.

<h2>Why?</h2>

A counterexample is a way that we can prove that something is not true about a mathematical equation or expression, it's also considered as an exception to a rule.

So:

sec^{2}x-1=\frac{cosx}{cscx}\\\\tg^{2}x=\frac{cosx}{\frac{1}{sinx}}\\\\\frac{1-cos2x}{1+cos2x}=cosxsinx

Then, evaluating we have:

\frac{1-cos(2*45)}{1+cos(2*45)}=cos(45)*sin(45)\\\\\frac{1-0}{1+0}=\frac{\sqrt{2} }{2}*\frac{\sqrt{2}}{2}\\\\1=\frac{(\sqrt{2})^{2} }{4}\\\\1=\frac{2}{4}\\\\1=\frac{1}{2}

Hence, we can see that the equation is not fulfilled, so, 45° is a counterexample for sec^{2}x-1=\frac{cosx}{cscx} and the answer is true.

Have a nice day!

3 0
4 years ago
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