Hey pls help 15 brain coins ;-;
1 answer:
The base length for each parallelogram is yards.
Step-by-step explanation:
Step 1:
The area of a parallelogram is given by the product of its base length and height.
So the parameters needed to determine the area of a parallelogram are its base length and its height.
We must convert the mixed fractions into improper fractions. To do that we multiply the number with the denominator and add with it the numerator whereas the denominator remains the same.
To convert the fraction which is the area.
To convert the fraction which is the height of the parallelogram.
Step 2:
Assume the length of the parallelogram is x.
So the area of the parallelogram
This is the base length for both parallelograms.
So each parallelograms base length
So the base length for each parallelogram is .
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Answer:
1) The determinant = 65
2) The determinant = 152
Step-by-step explanation:
Let us show how to find the determinant of a matrix
You can find the determinant of this Matrix
by using this rule
Determinant = a(en - fm) - b(dn - fg) + c(dm - eg)
Let us use this rule with the given matrices
1)
The determinand = 1[(5)(2) - (0)(1)] - (-1)[(2)(2) - (0)(-3)] + 3[(2)(1) - 5(-3)]
= 1[10 - 0] - (-1)[4 - 0] + 3[2 - (-15)]
= 1[10] + 1[4] + 3[2+15]
= 10 + 4 + 3[17]
= 10 + 4 + 51
= 65
The determinant = 65
Let us do the second one
2)
The determinand = -1[(1)(2) - (0)(1)] - (-8)[(9)(2) - (0)(4)] + 2[(9)(1) - 1(4)]
= -1[2 - 0] - (-8)[18 - 0] + 2[9 - 4]
= -1[2] + 8[18] + 2[5]
= -2 + 144 + 10
= 152
The determinant = 152
Answer:
x = 54
Step-by-step explanation:
Since both triangles are similar, therefore,
Cross multiply
Divide both sides by 7
x = 54