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tatiyna
2 years ago
14

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. What other factions can represent part

of the rolls that will be whole wheat? Shade the models to show your work.
Mathematics
1 answer:
Scilla [17]2 years ago
8 0

Answer:

3/5 can be un-simplified into a number of different fractions. 3/5, 6/10, 12/20, etc.


The way we figure this out is by multiplying each side of the fraction by an integer. Say 2. So if the fraction is 3/4, times the top and bottom by 2 making it 6/8



Step-by-step explanation:


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a guy wire makes a 67 degree angle with the ground. walking out 32 ft further grom the tower,the angle of elevation to the top o
Shalnov [3]

Answer:

  39.5 ft

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relation between angles and sides of a right triangle.

  Tan = Opposite/Adjacent

This lets us write two equations in two unknowns:

  tan(67°) = AD/CD . . . . . . . . . . angle at guy point

  tan(39°) = AD/(CD+32) . . . . . .angle 32' farther

__

Solving the first equation for CD and using that in the second equation, we can get an equation for AD, the height of the tower.

  CD = AD/tan(67°)

  tan(39°)(CD +32) = AD . . . . eliminate fractions in the second equation

  tan(39°)(AD/tan(67°) +32) = AD

  32·tan(39°) = AD(1 -tan(39°)/tan(67°)) . . . simplify, subtract left-side AD term

  32·tan(39°)tan(67°)/(tan(67°) -tan(39°)) = AD . . . . divide by AD coefficient

  AD ≈ 39.486 . . . . feet

The tower is about 39.5 feet high.

6 0
2 years ago
The 8th term of a GP is -7/32 find its common ratio if its first term is 28
Ugo [173]
<h2>Common ratio = -1/2</h2>

Step-by-step explanation:

       \text{8}^{th} term of a Geometric progression is given as \dfrac{-7}{32}. The first term is given as 28.

       Any general Geometric progression can be represented using the series a,ar,ar^{2},ar^{3},ar^{4}...\text{ }ar^{n-1}.

The first term in such a GP is given by a, common ratio by r, and the n^{th} term is given by ar^{n-1}.

       In the given GP, a=28;t_{8}=ar^{7}=\dfrac{-7}{32}\\\\28r^{7}=\dfrac{-7}{32}\\\\r^{7}=\dfrac{-1}{128}\\\\r=\dfrac{-1}{2}

∴ Common ratio is \dfrac{-1}{2}.

5 0
2 years ago
The circumference of Mars is 7.00 x 107. Which planet is larger, and by how many feet? Write the answer in both standard and sci
Rasek [7]

Answer:

34

Step-by-step explanation:

the....

6 0
2 years ago
Suppose babies born in a large hospital have a mean weight of 3316 grams, and a standard deviation of 324 grams. If 83 babies ar
Anuta_ua [19.1K]

Answer: 0.129

Step-by-step explanation:

Let \overline{X} denotes a random variable that represents the mean weight of babies born.

Population mean : \mu= \text{3316 grams,}

Standard deviation: \text{324 grams}

Sample size = 83

Now, the probability that the mean weight of the sample babies would differ from the population mean by greater than 54 grams will be :

P(|\mu-\overline{X}|>54)=1-P(\dfrac{-54}{\dfrac{324}{\sqrt{83}}}

hence, the required probability =  0.129

5 0
2 years ago
Natalia bought 888 glitter wands for \$50$50dollar sign, 50. Determine whether or not each wand purchase below has the same pric
schepotkina [342]

Answer:

Each wand cost $0.056 which is below $50

Step-by-step explanation:

She bought 888 glitter wands for $50. This implies that each wand would cost:

$50/888 = $0.056

Each wand cost $0.056 which is far below the cost for glitter wands

5 0
2 years ago
Read 2 more answers
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