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3 years ago

How many 1/2 are there in 7 1/2 ?

Mathematics

2 answers:

My name is Ann [436]3 years ago

4 0

Answer:

There are 15 halves in 7 1/2.

ella [17]3 years ago

3 0

7 1/2 = 15/2

15/1=15

There are fifteen 1/2's in 7 1/2

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hope it helps

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Answer:

Do you mean how many waves of sound and light went through the galaxy

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4 years ago

The masses of the oranges on sale at a farm stand are normally distributed with a mean of 239 grams and a standard deviation of

ra1l [238]

Answer:

0.8

Step-by-step explanation:

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3 years ago

If (-1, y) lies on the graph of y=2^2x then y=

zubka84 [21]

Answer:

y is 1/4 when x is -1 if I did interpret your equation right. Please see that I did.

I believe the equation to be $y=2^{2x}$ . If you meant $y=2^2x$ , please let me know.

Thanks kindly.

Step-by-step explanation:

If (-1,y) lies on the graph of $y=2^{2x}$ , then by substitution we have:

$y=2^{2\cdot -1}$ .

We just need to simplify to determine y:

$y=2^{2 \cdot -1}$

Multiply the 2 and -1:

$y=2^{-2}$

Use reciprocal rule for exponents to get rid of the negative:

$y=\frac{1}{2^2}$

$2^2$ just means $2(2)$ :

$y=\frac{1}{2(2)}$

$y=\frac{1}{4}$ .

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3 years ago

Find the measure of a 6.<br> 102<br> 78<br> 46 = [?]

Rom4ik [11]

Answer:

102°

Step-by-step explanation:

They're still corresponding angles... have you read any of these explanations?...

6 0

3 years ago

Among 500 freshmen pursuing a business degree at a university, 311 are enrolled in an economics course, 243 are enrolled in a ma

Allushta [10]

Solution :

Let A = Economics, B = Mathematics

n(A) = 311, n(B) = 243, $n(A \cap B) = 135$

a). So, $n(A \cup B) = n(A) +n(B) - n(A \cap B)$

= 311 + 243 - 135

= 419

b). n(A only) = 311 - 135

= 176

n(B only) = 243 - 135

= 108

Exactly one of these two courses

$=\frac{176+108}{500}$

= 0.568

c). Neither economics nor mathematics

$=\frac{500-419}{500}$

$=\frac{81}{500}$

= 0.162

7 0

3 years ago