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Annette [7]
1 year ago
5

Match each inequality with its solution set.

Mathematics
1 answer:
zhuklara [117]1 year ago
4 0

Answer:

1. 2x + 1 ≤ 3.

2. 5x+7 217.

3. 1+ 3x ≥ -5.

4. 5-3x ≥ 11.

I hope it helps

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gregori [183]

Answer:

long time huh You a fan of bts

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3 years ago
What is the GCF of the terms of the polynomial -15y4 + 12y2 - 9y
ryzh [129]

Answer:

Step-by-step explanation:

23

7 0
4 years ago
Read 2 more answers
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
3 students wrote expressions of their dry erase boards.
kolbaska11 [484]

Answer: Students 1 and 3

Step-by-step explanation:

student 1=

- (5r+3s-1)=

-5r+3s-1=

the same answer as student 3

7 0
3 years ago
A student bikes to school by traveling first dn = 1.00 miles north, then dw = 0.500 miles west, and finally ds = 0.200 miles sou
mafiozo [28]

Alright, lets get started.

Please refer the diagram I have attached.

The red line indicates the movement of student.

The movement of bird is indicated by orange line.

There will a right angle triangle made with sides measuring

One side will be = 0.5 miles

second side will be = 1 - 0.2 = 0.8 miles

The hypotenuse will be the orange one

So, using Pythagorean theroem,

c^2 = a^2 + b^2

c^2 = 0.5^2 + 0.8^2

c^2 = 0.25 + 0.64

c^2 = 0.89

Taking square root on both sides

c = 0.94

So the bird has to fly 0.94 miles .   :    Answer

Hope it will help :)

5 0
4 years ago
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