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Kipish [7]
3 years ago
10

Evaluate the expression 7x to the power of 2y, when x = 5 and y = 3.

Mathematics
1 answer:
Stells [14]3 years ago
6 0
The answer is 210 hope this helps
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I am stuck at this question​
Marrrta [24]

Answer:

Step-by-step explanation:

B(2,10); D(6,2)

Midpoint(x1+x2/2, y1+y2/2) = M ( 2+6/2, 10+2/2) = M(8/2, 12/2) = M(4,6)

Rhombus all sides are equal.

AB = BC = CD =AD

distance = √(x2-x1)² + (y2- y1)²

As A lies on x-axis, it y-co ordinate = 0; Let its x-co ordinate be x

A(X,0)

AB = AD

√(2-x)² + (10-0)² = √(6-x)² + (2-0)²

√(2-x)² + (10)² =  √(6-x)² + (2)²

√x² -4x +4 + 100 =  √x²-12x+36 + 4

√x² -4x + 104 =  √x²-12x+40

square both sides,

x² -4x + 104 =  x²-12x+40

x² -4x - x²+ 12x = 40 - 104

             8x = -64

               x = -64/8

               x = -8

A(-8,0)

Let C(a,b)

M is AC midpoint

(-8+a/2, 0 + b/2)  = M(4,6)

     (-8+a/2, b/2)  = M(4,6)

Comparing;  

-8+a/2 = 4          ; b/2 = 6

  -8+a = 4*2       ; b = 6*2

  -8+a = 8          ; b = 12

        a = 8 +8

       a = 16

Hence, C(16,12)

6 0
3 years ago
The following steps are used to rewrite the polynomial expression, 3(x + 4y) + 5(2x - y).
ololo11 [35]

Answer:

step1 - distributive property

step2 - associative property

step3 - cumulative property

step4 -  associative property

Step-by-step explanation:

3 0
3 years ago
What's 45x10 to the power of 8923 -12 x2342 / 92123
PtichkaEL [24]

Answer:

umm here..i don't know if it's right but there....you can download mathpapa and goodluck

8 0
3 years ago
an empty box weighs 5 ounces. Jenna puts 10 calculators in the box. The total weight of the box and calculators is 95 ounces. Cr
fenix001 [56]

Answer:

95=(y/10)-5

Step-by-step explanation:


3 0
3 years ago
What is 3.245 rounded to the nearest hundredth<br> Thank you
xeze [42]
3.25 is your answer! When rounding to the nearest hundredth, the third number away from the decimal must be 5-9 to round up, and 4-0 to stay the same
7 0
3 years ago
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