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Pie
3 years ago
10

What is 2 pounds divided by 2/3?

Mathematics
1 answer:
vivado [14]3 years ago
8 0

Answer:

3 pounds

Step-by-step explanation:

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What two numbers multiply to get 18 and add up to equal 7
LuckyWell [14K]
The 2 numbers you multiply to get 18 are 6 and 3.

6 0
4 years ago
URGENT HELP PLEASE!
Vaselesa [24]

Answer:

(a) x=\dfrac{\pi}{8},\dfrac{3\pi}{8},\dfrac{9\pi}{8},\dfrac{11\pi}{8}

(b) x=\dfrac{3\pi}{2},\dfrac{\pi}{6},\dfrac{5\pi}{6}

Step-by-step explanation:

It is given that 0\leq x\leq 2\pi.

(a)

\sqrt{2}\sin 2x=1

\sin 2x=\dfrac{1}{\sqrt{2}}

\sin 2x=\dfrac{\pi}{4}

2x=\dfrac{\pi}{4},\dfrac{3\pi}{4},\dfrac{9\pi}{4},\dfrac{11\pi}{4}     [\because \sin x=\sin y\Rightarrow x=n\pi+(-1)^ny]

x=\dfrac{\pi}{8},\dfrac{3\pi}{8},\dfrac{9\pi}{8},\dfrac{11\pi}{8}

(b)

\csc^2 x-\csc x-2=0

\csc^2 x-2\csc x+\csc x-2=0

\csc x(\csc x-2)+1(\csc x-2)=0

(\csc x+1)(\csc x-2)=0

\csc x=-1\text{ or }\csc x=2

\sin x=-1\text{ or }\sin x=\dfrac{1}{2}         [\because \sin x=\dfrac{1}{\csc x}]

x=\dfrac{3\pi}{2}\text{ or }x=\dfrac{\pi}{6},\dfrac{5\pi}{6}

Therefore, x=\dfrac{3\pi}{2},\dfrac{\pi}{6},\dfrac{5\pi}{6}.

5 0
3 years ago
A highly selective boarding school will only admit students who place at least 2.5 standard deviations above the mean on a stand
tresset_1 [31]

Answer:

260 is the minimum score.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 200

Standard Deviation, σ = 24

We are given that the distribution of test score is a bell shaped distribution that is a normal distribution.

Least marks required for admission in boarding school is 2.5 standard deviations above the mean.

Thus, we can calculate the minimum score as:

=\mu + 2.5(\sigma)\\=200 + 2.5(24)\\=260

Thus, 260 is the minimum score that an applicant must make on the test to be​ accepted.

4 0
3 years ago
Don has an album that holds 900 coins . Each page of the album holds 9 coins . If 78​% of the album is​ empty, how many pages ar
laila [671]

Answer:  22% of the pages are filled up

Step-by-step explanation: 900/9= 100 78% of 100 is 78

22+78=100 therefore reaching 100 percent. since 78% is empty that means 22% is being used.

3 0
3 years ago
32<br> what value of x is the equation 2^2x+ 7 = 2^15true?
Talja [164]

Value of x = 7.499

Step-by-step explanation:

We need to find value of x in the equation: 2^{2x}+ 7 = 2^{15}

This can be solved using natural log

Solving:

2^{2x}+ 7 = 2^{15}

Subtract 7 from both sides:

2^{2x}+ 7-7 = 2^{15}-7

Simplifying:

2^{2x}=32768-7

2^{2x}=32761

Using rule if f(x)=g(x) then, ln(f(x))=ln(g(x))

So,

ln(2^{2x})=ln(32761)

Applying log rule: logₐ(x^b)= b logₐ(x)

2x(ln(2))=ln(32761)

Divide both sides by 2ln(2)

2x(ln(2))=[tex]\frac{2x(ln(2))}{2(ln(2))}=\frac{ln(32761)}{2(ln(2))} \\x=\frac{ln(32761)}{2(ln(2))}\\Rewriting\,\,32761\,\,as 181^2\\x=\frac{ln(181^2)}{2(ln(2))}\\x=\frac{2ln(181)}{2(ln(2))}\\x=\frac{ln(181)}{ln(2)}\\x=7.499

So, Value of x = 7.499

Keywords: Solving Equations

Learn more about Solving Equations at:

  • brainly.com/question/1563227
  • brainly.com/question/2403985
  • brainly.com/question/11229113

#learnwithBrainly

3 0
4 years ago
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