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3 years ago

Jacob is 5 5/6 feet tall. Linda is 5 1/4 feet tall. How much taller is Jacob?

2 answers:

6 0

This problem boils down to 5/6 - 1/4

To subtract these fractions you need a common denominator.

I'll use 12

The first fraction becomes 10/12 and the second fraction becomes 3/12

10/12-3/12 = 7/12

So Jacob is 7/12 of a foot taller than Linda.

Also note than since 12 inches = 1 foot, you could say Jacob is 7 inches taller than Linda

True [87]3 years ago

3 0

Find the difference in their heights

5 5/6-5 1/4

The 5s cancel out

5/6-1/4

The LCD is 12
10/12-3/12

7/12

7 inches

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At the city museum, child admission is $5.60 and adult admission is $9.60. On Thursday, 153 tickets were sold for a total sales

JulsSmile [24]

Answer:

95 child tickets

Step-by-step explanation:

a+c =153 c=( 153-a) you need to plug this for c

9.6a + 5.6(153-a) = 1088.8

9.6a + 856.8 - 5.6a = 1088.8

4a +856.8 = 1088.8

subtract 856.8 on both sides

4a = 232

a=58 (58 adults)

153 - 58 = 95 (95 children)

95*$ 5.6 = $532

85 *$ 9.6 =$ 556.8

$532 + $556.8 =$ 1088.8

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3 years ago

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IgorLugansk [536]

Answer:

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Step-by-step explanation:

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3 years ago

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Which statement is true regarding the intervals where

Mariana [72]

Answer:

Step-by-step explanation:

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4 years ago

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Water use in the summer is normally distributed with a mean of 311.4 million gallons per day and a standard deviation of 40 mill

r-ruslan [8.4K]

Answer: 0.965

Step-by-step explanation:

Given : Water use in the summer is normally distributed with

$\mu=311.4\text{ million gallons per day}$

$\sigma=40 \text{ million gallons per day}$

Let X be the random variable that represents the quantity of water required on a particular day.

Z-score : $\dfrac{x-\mu}{\sigma}$

$\dfrac{350-311.4}{40}=0.965$

Now, the probability that a day requires more water than is stored in city reservoirs is given by:-

$P(x>350)=P(z>0.965)=1-P(z$

We can see that on comparing the above value to the given P(X > 350)= 1 - P(Z < b) , we get the value of b is 0.965.

4 0

3 years ago

A flowerbed is to be 3m longer than its width.the flowerbed will have an area of 70m²

melomori [17]

ANSWER
Yes, it is a quadratic equation which is x² + 3x - 70 = 0

SOLUTION

Area = Length × Width
Let x be the Length, L = x
Length is 3 cm longer than its width, thus, W = x + 3
The Area is equal to 70m², thus, A = 70m²

In Mathematical representation,
A = L × W
70 = (x)(x + 3)
70 = x(x) + x(3)
70 = x² + 3x
0 = x² + 3x - 70

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3 years ago