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Anika [276]
4 years ago
12

Evaluate the expression:

Mathematics
1 answer:
Simora [160]4 years ago
6 0
The dot product will have you multiply the corresponding coordinates and add up the products

v dot w = (6*(-7)) + (7*5) + (-3*2)
v dot w = -42 + 35 - 6
v dot w = -7 - 6
v dot w = -13

Answer: -13
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A map of a public park shows a circular pond. There is a bridge along a diameter of the pond that is 0.55 mi long. You walk acro
Wewaii [24]

Answer:

The circumference of a circle is pi times diameter, so half-way around the pond is (1/2)pi times diameter.

The difference between walking around the pond and walking across the bridge is: 1.57d - d = 0.57d

Plug in diameter of 0.25

0.25*0.57 = 0.14 miles

Step-by-step explanation:

3 0
3 years ago
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A new youth sports center is being built in pagosa springs. The permitted of the rectangular playing field is 524 yards. The len
padilas [110]

Answer:

Length = 208 yards

Width = 54 yards

Step-by-step explanation:

Let the length of the field be "x" yards and the width be "y" yards. Its given that the length is 8 less than quadruple(4 times) the width. So x is 8 less than 4y. We can write this in equation as:

x = 4y - 8                               Equation 1

Perimeter of the field is given to be 524 yards. Since, the field is rectangular, its perimeter is calculated as:

Perimeter = 2 (Length + Width)

Using the values, we get:

2(x + y) = 524                         Equation 2

Substituting the value of x from Equation 1 into Equation 2, we get:

2(4y - 8 + y) = 524

2(5y - 8) = 524

5y - 8 = 524/2

5y - 8 = 262

5y = 262 + 8

5y = 270

y = 54 yards

Substituting the value of y in Equation 1, we get:

x = 4y - 8 = 4(54) - 8 = 208 yards

Thus, the length of the playing field is 208 yards and its width is 54 yards.

6 0
3 years ago
"A company is deciding whether or not to hire a new worker. The company must pay the worker hourly and cover a daily cost for in
d1i1m1o1n [39]
Y = 8x + 25

The y int (25) represents the cost for insurance
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17 + 2.8 = c + 2.3 <br> pls explain how you got the answer too!
Molodets [167]

Answer:

C=17.5

Step-by-step explanation:

by simplifying both sides of the equation, then isolating the variable.

4 0
3 years ago
Which list shows the absolute values in order from least to greatest?
Alexandra [31]

Answer:

-110,-45,710

Step-by-step explanation:

If the minus is on the numbers and there is a number without minus the answer is the one without minus

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3 years ago
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