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frutty [35]
3 years ago
5

Complete this activity. Mr. Home buys two quarts of ice cream, one carton of soda, and three sacks of cookies for a Sunday Schoo

l party. The respective unit prices are 60 cents, 70 cents, and 45 cents for each unit. On his way home Mr. Home remembers that he will have several extra visitors, returns to the same store, and buys three times the same order. Find Mr. Home's total expense by matrix calculations.
Mathematics
1 answer:
makkiz [27]3 years ago
4 0

Answer:

1300

Step-by-step explanation:

add 60x2+70+45x3

get 325

multaply times 4 because he gets this stuff then goes back and gets it 3 more times

get 1300

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Please help me with this equation, you are supposed to find x
Nimfa-mama [501]

Answer:

I believe its 2/3

Step-by-step explanation:

6 0
3 years ago
Two planes travel at a constant speed. Plane A travels 2,800 miles in 5 hours. Plane B travels 3,885 miles in 7 hours.
kozerog [31]

Answer: First.

Step-by-step explanation:

Let's find the speed of the first airplane:

2800 ÷ 5 = 560 (miles per hour)

Let's find the speed of the second plane:

3885 ÷ 7 = 555 (miles per hour)

Thus, the first plane flies faster than the second.

5 0
3 years ago
Read 2 more answers
Multiply (7x – 6)(8x +3). A. 56x 2 – 27x – 18 B. 12x 2 – 50x + 8 C. 56x 2 – 18 D. 56x 2 – 69x + 18
mestny [16]
(7x-6)(8x+3)

Use the FOIL method

F:  7x • 8x = 56x^2
O: 7x • 3 = 21x
I: -6 • 8x = -48x
L: -6 • 3 = -18

56x^{2}+21x-48x-18

Simplify
56x^{2}-27x-18

Your answer is A.
7 0
3 years ago
Which correctly describes a cross section of the cube below? Check all that apply.
vodomira [7]

Answer:

B,E and F

Step-by-step explanation:

  • (B)A cross section parallel to the base is a square measuring 4 cm by 4 cm.

Since a cube has <u>equal base length</u>, any cross section parallel to the base will also have an equal base length.

  • (E)A cross section perpendicular to the base through the midpoints of opposite sides is a square measuring 4 cm by 4 cm.

Since a cube has <u>equal side lengths</u>, any cross section parallel to the side will also have an equal base length.

  • (F)A cross section that passes through the entire bottom front edge and the entire top back edge is a rectangle measuring 4 cm by greater than 4 cm.

Using Pythagoras Theorem

4^2+4^2=4\sqrt{2}>4

There the cross section will be a rectangle which measures 4\sqrt{2}\:cm\:by\:4\:cm

5 0
3 years ago
Read 2 more answers
52 = 1/2x + 15 - 3.25x - 7<br>please show step by step !! ​
Mariulka [41]

Answer:

x = -16

Step-by-step explanation:

52= 1/2x+15−3.25x−7

Combine 1/2x and −3.25x to get −11/4 x.

52= −11/4x+15−7

Subtract 7 from 15 to get 8.

52=−11/4x+8

Swap sides so that all variable terms are on the left hand side.− 11/4x+8=52

Subtract 8 from both sides.

− 11/4x=52−8

Subtract 8 from 52 to get 44.

−11/4 x=44

Multiply both sides by − 4/11

​ the reciprocal of − 11/4

​x=44(−4/11)

​Express 44(−4/11 ) as a single fraction.

x= 44(−4)

​Multiply 44 and −4 to get −176.

x= −176/11

​Divide −176 by 11 to get −16.

8 0
2 years ago
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