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docker41 [41]
3 years ago
7

​​ What is the area of a rectangle with points at ​ (−4, 0), (−3, 1), (0, −2), and (−1, −3)? Do not round any side lengths.

Mathematics
1 answer:
Luda [366]3 years ago
6 0
I hope this helps you

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Find the value of x for which ABCD must be a parallelogram.
Tems11 [23]
D. X = 8 , Y = 6
3x - 14 = x + 23x - x = 2 + 142x = 162x / 2 = 16/2x = 8
To check: 3x - 14 = x + 2 ;  3(8) - 14 = 8 + 2  ;  24 - 14 = 10  ; 10 = 10
4y - 7 = y + 114y - y = 11 + 73y = 183y / 3 = 18 / 3y = 6
To check: 4y - 7 = y + 11 ; 4(6) - 7 = 6 + 11  ;  24 - 7 = 17  ; 17 = 17
hopes it helps:)


8 0
3 years ago
Read 2 more answers
Nicholas started a canned-food drive at school. The equation representing this is y = 235x + 15, where x is the number of days,
Olenka [21]

Answer:

well, 11 days

Step-by-step explanation:

if you were to put take out the y and put 2600 in the y place (2600=235x+15)

you solve that, and will come to 11 days

further explaining:

2600-15 = 2585

2585 / 235 = 11

( I'm not sure if this is right, the question is worded weird and almost doesn't make sense)

but I think it is looking for substitution

Hope this helps!

8 0
3 years ago
Read 2 more answers
Write 80 : 88 in the form n : 1
storchak [24]

Step-by-step explanation:

To write the ratio into the form of n:1, divide 80 and 88 by 88.

80 \div 88 = 0.91 \: rounded

88 \div 88 = 1

The ratio in the form is 0.91:1 (rounded)

3 0
3 years ago
Read 2 more answers
What is the completely factored form of x4y – 4x2y – 5y? y(x2 – 5)(x2 1) y(x2 5)(x2 – 1) (x2y – 5)(x2 1) (x2y 5)(x2 – 1)
Gala2k [10]

Answer:

y (x² + 1) (x² - 5)

Step-by-step explanation:

<h3>Factorization:</h3>

   Take 'y' from each term.

x⁴y - 4x²y - 5y = y[x⁴ - 4x² - 5]

Now factorize x⁴ - 4x² - 5.

            Sum = -4

        Product = -5

        Factors =  -5 , 1  

When we add (-5) + 1, it gives (-4) and when we multiply (-5)*1, gives (-5).

x⁴ - 4x² - 5 = x⁴ + x² - 5x² - 5

                 = x²(x² + 1)  -5(x² + 1)

                 = (x²+ 1) (x² - 5)

x⁴y - 4x²y - 5y = y (x² + 1) (x² - 5)

7 0
2 years ago
If y = 4 x - 1 find the value of y when x = -2
velikii [3]

Use the substitution method for x

y= 4(-2)-1

y= -8-1

y= -9

Answer is y=-9

8 0
3 years ago
Read 2 more answers
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