1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lana [24]
3 years ago
13

Can someone please please please, help me this is my last page and I’ve been stuck on an hour and a half can someone Plz help me

Mathematics
1 answer:
My name is Ann [436]3 years ago
6 0

Answer:

sorry I can't heheh just came to see but it's math you know search on browser one by one I'm sure you can find

You might be interested in
Prove :<br>sin²θ + cos²θ = 1<br><br><br>thankyou ~​
Gnom [1K]

Answer:

See below

Step-by-step explanation:

Here we need to prove that ,

\sf\longrightarrow sin^2\theta + cos^2\theta = 1

Imagine a right angled triangle with one of its acute angle as \theta .

  • The side opposite to this angle will be perpendicular .
  • Also we know that ,

\sf\longrightarrow sin\theta =\dfrac{p}{h} \\

\sf\longrightarrow cos\theta =\dfrac{b}{h}

And by Pythagoras theorem ,

\sf\longrightarrow h^2 = p^2+b^2 \dots (i)

Where the symbols have their usual meaning.

Now , taking LHS ,

\sf\longrightarrow sin^2\theta +cos^2\theta

  • Substituting the respective values,

\sf\longrightarrow \bigg(\dfrac{p}{h}\bigg)^2+\bigg(\dfrac{b}{h}\bigg)^2\\

\sf\longrightarrow \dfrac{p^2}{h^2}+\dfrac{b^2}{h^2}\\

\sf\longrightarrow \dfrac{p^2+b^2}{h^2}

  • From equation (i) ,

\sf\longrightarrow\cancel{ \dfrac{h^2}{h^2}}\\

\sf\longrightarrow \bf 1 = RHS

Since LHS = RHS ,

Hence Proved !

I hope this helps.

5 0
2 years ago
Is this happening to anybody else? Why are there ad's to unlock answers it is annoying
kap26 [50]

I don’t have to have ads. When I wasn’t signed up I had to but I logged in and now I don’t have to watch ads.

6 0
3 years ago
Read 2 more answers
What is 8 and 7/12 times 3
Elza [17]
8\frac{7}{12} =  \frac{103}{12}
3=\frac{36}{12}

\frac{103}{12}×<span>\frac{36}{12}=</span>\frac{3708}{144}=\frac{103}{4}=23.75
7 0
3 years ago
Read 2 more answers
The altitude of a triangle is increasing at a rate of 1 cm/min while the area of the triangle is increasing at a rate of 2 cm^2/
VARVARA [1.3K]

Answer:

The base is decreasing at 2 cm/min.

Step-by-step explanation:

The area (A) of a triangle is given by:

A = \frac{1}{2}bh   (1)

Where:

b: is the base

h: is the altitude = 10 cm

If we take the derivative of equation (1) as a function of time we have:

\frac{dA}{dt} = \frac{1}{2}(\frac{db}{dt}h + \frac{dh}{dt}b)

We can find the base by solving equation (1) for b:

b = \frac{2A}{h} = \frac{2*120 cm^{2}}{10 cm} = 24 cm

Now, having that dh/dt = 1 cm/min, dA/dt = 2 cm²/min we can find db/dt:

2 cm^{2}/min = \frac{1}{2}(\frac{db}{dt}*10 cm + 1 cm/min*24 cm)

\frac{db}{dt} = \frac{2*2 cm^{2}/min - 1 cm/min*24 cm}{10 cm} = -2 cm/min    

         

Therefore, the base is decreasing at 2 cm/min.

               

I hope it helps you!  

7 0
2 years ago
WHY CAN'T ANYONE HELP ME? 1. In Michigan, the sales tax rate is 6%. Suppose that an item costs $50.88 including tax. How can we
Aliun [14]

Answer: $48

Step-by-step explanation:

From the question, we are told that in Michigan, the sales tax rate is 6% and that an item costs $50.88 including tax.

Let the cost of the item before tax be x. This means that x plus 6% of x equals to $50.88. This can be mathematically expressed as:

x + (6% of x) = $50.88

x + (6/100 × x) = $50.88

x + (0.06 × x) = $50.88

x + 0.06x = $50.88

1.06x = $50.88

When then divide by the coefficient of x

1.06x/1.06 = #50.88/1.06

x = $48

The price before the tax is $48

7 0
3 years ago
Other questions:
  • There were 3 times as many monkeys as lions tom counted a total of 24 monkeys and lions. How many monkeys were there
    14·1 answer
  • A company is paying a local television station to run its commercials. The cost for running commercials is a one-time campaign f
    5·1 answer
  • What two numbers multiple to equal 16 but add up to equal -17​
    6·1 answer
  • There are 101 students, each student will need 2/3 cup baking soda for an experiment. If Ms.Keough has 60 cups, will she have en
    5·1 answer
  • -3x+11=4x+2-(2x-4)<br><br> Please solve this problem with work. <br> Thanks!
    15·2 answers
  • Mark said he can decompose <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B5%7D%7B6%7D%20" id="TexFormula1" title=" \frac{5}{6} "
    13·1 answer
  • Read the problem in the box below. Make a list to help you find the correct
    11·1 answer
  • WILL GIVE BRAINLIST SOON AS I CAN SOMEBODY PLEASE HELP ME ​
    15·1 answer
  • Please solve this question ​
    8·1 answer
  • -20 2 -6 -18 4 -4 put them from least to greatest
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!