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xxTIMURxx [149]
3 years ago
9

Two-thirds a number less than four is negative seven.

Mathematics
1 answer:
zhuklara [117]3 years ago
8 0

4 - 2/3x = -7 would be the equation to represent this.

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There are 9 classes of 25 students each 4 teachers in two times as many chaperones as teachers each bus hold a total of 45 peopl
Tanya [424]

Answer:

Least number of bus require for trip = 5 buses (Approx)

Step-by-step explanation:

Given:

Total number of classes = 9

Number of student in each class = 25

Number of teacher = 4

Number of chaperones = Double of teacher

Bus hold = 45 people

Find:

Least number of bus require for trip

Computation:

Total number of student = 9 × 25

Total number of student = 225

Number of chaperones = 4 × 2

Number of chaperones = 8

Total people = 225 + 8 + 4

Total people = 237

Least number of bus require for trip = Total people / Bus hold

Least number of bus require for trip = 237 / 45

Least number of bus require for trip = 5.266

Least number of bus require for trip = 5 buses (Approx)

6 0
3 years ago
Mary is making pillows for her Life Skill class. She bought 2 ½ yards of fabric. Her total cost was $15. What was the cost per y
BigorU [14]

Answer:

15 divided by 2 1/2

Step-by-step explanation:

$6 per yard.

4 0
3 years ago
Simplify the product 4x(2x^3-7x^2+x)
Andreyy89
8x^4-28x^3+4x^2
That’s the answer
3 0
3 years ago
Simplify?<br>6(2 - 7v) - 4(-6v + 7)​
iragen [17]

Answer:

-18v - 16

Step-by-step explanation:

6(2 - 7v) - 4(-6v + 7)​

= 6×2 - 6×7v - 4×(-6v) -4×7

= 12 - 42v + 24v - 28

= -18v - 16

4 0
3 years ago
The radius of a regular decagon, a 10-sided figure, is 15 units. The length of one side of the polygon measures about 9.3 units.
Cerrena [4.2K]
Ia=5/2*9.3^2(5+2--5)
a=665.47unit ^2
which then means 663.1
5 0
3 years ago
Read 2 more answers
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