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Westkost [7]
3 years ago
9

How do I solve this 1-2

Mathematics
2 answers:
zepelin [54]3 years ago
6 0

Answer:

1. 1.

2. 62.

Use PEMDAS.

ch4aika [34]3 years ago
5 0
Use photo math. it helps.
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an elevator travels 310 feet in 10 seconds .at that speed how far can this elevator travel In 12 seconds_ Explain your reason i
antoniya [11.8K]

Answer:

372 feet per second

Step-by-step explanation:

310 / 10 = 31 feet per second. 12 seconds * 31 feet per second = 372 feet per second

7 0
3 years ago
I am donating packages for Christmas drive. After the first week, I spent 126 to donate three children packages and 8 adult pack
anastassius [24]

Answer:

Step-by-step explanation:

Let the price for children and adults package be represented with x and y respectively.

For the first week the sum of the package will be as follows:

3x+8y = 126

For the two weeks after:

6x+4y= 108

So, we will be having two equations

3x+8y = 126..... (1)

6x+4y= 108.......(2)

These are simultaneous equations

From equation 1

3x+8y = 126

3x = 126-8y

X = 126-8y/3 ............. (3)

Put equation 3 into 2

6 ( 126-8y)/3 +4y = 108

756-48y/3 +4y = 108

756-48y+12y/3 = 108

Cross multiplying

756-48y+12y= 108×3

756-48y+ 12y = 324

Collecting like terms

756-324 = 48y-12y

432= 36y

Divide both sides by 36

432/36 = 36y/36

y= 12

Substituting y into equation 1

3x+8= 126

3x+96=126

3x= 126-96

3x= 30

Divide both sides by 3

3x/3 = 30/3

x = 10

Hence for each of the packages for children and adults. It will be 10 and 12 respectively.

8 0
3 years ago
What is cos 0 when sin 0 = 2/5
Goshia [24]

Answer:

cos 0 = 1

.................

7 0
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What is the solution to the system of equations below? 2 x + 3 y = 17. 3 x + 6 y = 30. (Negative 7, 24) (3, 4) (4, 3) (24, Negat
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Answer:

work is shown and pictured

6 0
3 years ago
A stadium has 47,000 seats. Seats sell for ​$28 in Section​ A, ​$24 in Section​ B, and ​$20 in Section C. The number of seats in
mote1985 [20]
A:23,500 seats
B and C: both have 11,750 seats
7 0
3 years ago
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