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2 years ago

If y = 9.99 inches, what is the perimeter of the rhombus shown above

Mathematics

1 answer:

Finger [1]2 years ago

5 0

Answer:

39.96‬ inches

Step-by-step explanation:

A rhombus is any parallelogram with equal sides, including a square.

so 9.99*4=39.96‬ inches

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F(x) = -x^2-7x-2<br><br>find f(-9)<br>PLEASE HELP

Anna11 [10]

Answer:

In the pic

Step-by-step explanation:

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3 years ago

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Determine whether the three points are collinear.<br> (0, - 10). (-3,- 13), (2,-8)

LUCKY_DIMON [66]

Answer:

<h2>YES. These points are collinear.</h2>

Step-by-step explanation:

If three points are collinear, then the slopes are the same.

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

For (0, -10) and (-3, -13):

$m=\dfrac{-13-(-10)}{-3-0}=\dfrac{-13+10}{-3}=\dfrac{-3}{-3}=1$

For (-3, -13) and (2, -8):

$m=\dfrac{-8-(-13)}{2-(-3)}=\dfrac{-8+13}{2+3}=\dfrac{5}{5}=1$

We can check the last pair (0, -10) and (2, -8):

$m=\dfrac{-8-(-10)}{2-0}=\dfrac{-8+10}{2}=\dfrac{2}{2}=1$

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2 years ago

Suppose you invest a certain amount of money in account that earns 3% annual interest. You also invest that same amount + $2000

Greeley [361]

First account: $6500
Second account: $8500

Set x is amount of money in first account
=> x + 2000 is money in second account.
X*3% + (x+2000)*4% = 535
=> x = (53500 - 8000) / 7
X = 45500 / 7 = 6500
=> account #1 = x = 6500
Acc #2 = x + 2000 = 6500 + 2000 = 8500

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2 years ago

The ratio of males to females at a party is 3 : 5

EastWind [94]

If there are 12 more females and the ratio is two up in favour of females that means that 1 equals to 6, so there are 30 females and 18 males. (30 + 18 = 48)

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2 years ago

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A taxi service charges $4.50 to pick someone up and then $0.75 per mile during the ride.

Umnica [9.8K]

Part A : y=$0.75m+$4.50
Part B : $8.25

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2 years ago