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Alona [7]
2 years ago
7

25 pts, please help ASAP

Mathematics
1 answer:
andrew-mc [135]2 years ago
3 0

Answer:

5t - 2t = 84 - 54

3t = 30

t = 30/3

t = 10.

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89.87 is 215% of what number
andre [41]
<span>215% of 89.87=193.2205</span>
4 0
3 years ago
Suppose a newspaper surveys 250 adults in a neary town and inquires about their cell phone carrier. The accompanying table summa
Margarita [4]

Answer:

The correct option is C.

No. The sum of the relative frequencies is 95%, not 100%

Step-by-step explanation:

In a<u> relative frequency distribution</u>, the value assigned to each class is the proportion of the total data set that belongs in the class.

We have given the statement:

Suppose a newspaper surveys 250 adults in a nearby town and inquires about their cell phone carrier. The accompanying table summarizes the results. Does this table describe a relative frequency distribution

The correct option is C.

No. The sum of the relative frequencies is 95%, not 100%

4 0
3 years ago
Read 2 more answers
10 is 32% of what number?
Fantom [35]

Answer:

x= 3,2

Step-by-step explanation:

10 ----------------  100%

x   ----------------  32%

x=\frac{10\times32\%}{100\%}

x=\frac{10\times32}{100}

x=\frac{320}{100}

x=\frac{32}{10}

x=\frac{32\div2}{10\div2}

x=\frac{16}{5}

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7 0
3 years ago
the fun house allows 35 people in at a time but there is cure tally 110 ppl in line how many groups get to go in before every bo
BlackZzzverrR [31]

35×3=105 with 5 left over

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Step-by-step explanation:

4 0
3 years ago
A circle whose center is at (3,-5) has equation
Llana [10]

Answer: a = 10

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Step-by-step explanation:

The generic equation for a circle of radius R is, centered in the point (a, b)

(x - a)^2 + (x - b)^2 = R^2

In this case, we know that the center is (3, -5)

Then the equation of the circle must be something like:

(x - 3)^2 + (y + 5)^2 = R^2

And we have:

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First, let's complete squares for x:

(x - 3)^2 = x^2  + 2*(-3)*x + (-3)^2 = x^2 - 6*x + 9.

Then we can add 9 to both sides of the equation to get:

x^2 + y^2 - 6*x + a*y + 9 = 15 + 9

(x^2 - 6*x + 9) + y^2 + a*y = 24

(x - 3)^2 + y^2 + a*y = 24

Now let's do the same for y:

(y + 5)^2 = y^2 + 2*5*y + 5^2 = y^2 + 10*y + 25

From this we can already see that a must be equal to 10, if we replace a by 10, the circle equation becomes:

(x - 3)^2 + y^2 + 10*y = 24

Now we can add 25 to both sides of the equation to get:

(x - 3)^2 + y^2 + 10*y + 25 = 24 + 25

(x - 3)^2 + (y + 5)^2 = 49

An the radius of the circle will be equal to:

r = √49 = 7

5 0
3 years ago
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