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eduard
2 years ago
10

What did the wall say to the bookcase 4. 2 puzzle time answers.

Mathematics
1 answer:
natta225 [31]2 years ago
4 0

Answer:

meet you at the corner

Step-by-step explanation:

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Gretchen rode her snowmobile 1 1/4 miles to a snowmobile trail. She rode on the trail for 5 5/6 miles and then rode back home. W
trapecia [35]

Answer:

5 5/6+1 1/4+1 1/4, or 8 1/3 miles

7 0
3 years ago
Read 2 more answers
Find the pair of numbers whose sum is 68 and whose product is a maximum.
Aleksandr-060686 [28]
34 and 34 I’m pretty sure
6 0
2 years ago
Solve the system by using a matrix equation (Picture provided)
Katyanochek1 [597]

Answer:

Option b is correct (8,13).

Step-by-step explanation:

7x - 4y = 4

10x - 6y =2

it can be represented in matrix form as\left[\begin{array}{cc}7&-4\\10&-6\end{array}\right] \left[\begin{array}{c}x\\y\end{array}\right] = \left[\begin{array}{c}4\\2\end{array}\right]

A= \left[\begin{array}{cc}7&-4\\10&-6\end{array}\right]

X= \left[\begin{array}{c}x\\y\end{array}\right]

B= \left[\begin{array}{c}4\\2\end{array}\right]

i.e, AX=B

or X= A⁻¹ B

A⁻¹ = 1/|A| * Adj A

determinant of A = |A|= (7*-6) - (-4*10)

                                    = (-42)-(-40)

                                    = (-42) + 40 = -2

so, |A| = -2

Adj A=  \left[\begin{array}{cc}-6&4\\-10&7\end{array}\right]

A⁻¹ =  \left[\begin{array}{cc}-6&4\\-10&7\end{array}\right]/ -2

A⁻¹ =  \left[\begin{array}{cc}3&-2\\5&-7/2\end{array}\right]

X= A⁻¹ B

X=  \left[\begin{array}{cc}3&-2\\5&-7/2\end{array}\right] *\left[\begin{array}{c}4\\2\end{array}\right]

X= \left[\begin{array}{c}(3*4) + (-2*2)\\(5*4) + (-7/2*2)\end{array}\right]

X= \left[\begin{array}{c}12-4\\20-7\end{array}\right]

X= \left[\begin{array}{c}8\\13\end{array}\right]

x= 8, y= 13

solution set= (8,13).

Option b is correct.

3 0
3 years ago
The large bottle of nasal spray is 9.46 centimeters tall. The small bottle is 5.29 centimeters tall. How much shorter is the sma
posledela

Answer:

4.17 centimeters

Step-by-step explanation:

The large bottle of nasal spray is 9.46 centimeters tall. Assuming that the large bottle of nasal spray has the shape of cylinder, then the height of the cylinder is 9.46 centimeters.

The small bottle is 5.29 centimeters tall. Assuming that the small bottle of nasal spray has the shape of a cylinder too, then the height of the cylinder is 9.46 centimeters.

We want to know how much shorter the smaller bottle is than the big bottle. This is calculated by

Height of big bottle - height of small bottle

= 9.46 centimeters. - 5.29 centimeters

= 4.17 centimeters

5 0
2 years ago
Illustrates the commutative property of multiplication.
VLD [36.1K]

For example a × b × c = c × a × b

Answer:

Therefore the Commutative Expression is,

11 × w × 3 = 11 × 3 × w

Step-by-step explanation:

Commutative property:

The Commutative property states that order does not matter.

This property allows Two or more factors to be multiplied in any order without Changing the product.

Multiplication and addition are commutative.

For example a × b = b × a

1. 2 × 5 = 5 × 2  

Therefore the Commutative Expression is,

11 × w × 3 = 11 × 3 × w

8 0
3 years ago
Read 2 more answers
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