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3 years ago

Percent of200miles is 150miles

Mathematics

1 answer:

melomori [17]3 years ago

6 0

75% is the answer you are looking for. 150 divided by 200 is .75, translating into 75%. The answer. Hope I helped.

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Determine which statement is true

Ganezh [65]

Answer:

C and A are true

Step-by-step explanation:

3 0

3 years ago

Mr. Smith donated $378 to 2 charities. Charity A received 5 times as much as Charity B. How much did Charity B received from Mr

MariettaO [177]

Answer:

$63

Step-by-step explanation:

let x represent Charity B then Charity A = 5x

Sum the two and equate to 378, that is

x + 5x = 378

6x = 378 ( divide both sides by 6 )

x = 63

Thus Charity B received $63

5 0

4 years ago

What is the average (arithmetic mean) of the first 90 measurements in a certain list of 92 measurements? (1) the average of the

marishachu [46]

The sum of all the measurements is just the average times the number.

$\bar x = \frac{1}{n} \sum_{i=1}^n x_i$

$\sum_{i=1}^n x_i = n \bar x$

So if the average of all 92 is 7 the sum of those is $92 \times 7$

The average of the last two is 7.2 so their sum is $2 \times 7.2$

That means the sum of the first 90 is $92 \times 7 - 2 \times 7.2$

so the average of the first 90 is

$\dfrac{92 \times 7 - 2 \times 7.2}{90} = 6.99556$ cm

7 0

3 years ago

What’s the value of X and Y? (´⊙ω⊙`)

Crank

X is 11.
Y is 8.
°_°
:))))

6 0

4 years ago

Write an equation for the line that passes through (-8.5, 11) and (5, -2.5).

max2010maxim [7]

9514 1404 393

Answer:

y = -x + 5/2

Step-by-step explanation:

The 2-point form of the equation of a line can be useful.

y = (y2 -y1)/(x2 -x1)/(x -x1) +y1

y = (-2.5 -11)/(5 -(-8.5))/(x -(-8.5)) + 11

y = -13.5/13.5(x +8.5) +11 . . . . . . simplify a bit

y = -x +2.5 . . . . . write in slope-intercept form

8 0

3 years ago