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azamat
3 years ago
5

(1.3x + 2.4) + (-6.1x – 3.2)

Mathematics
1 answer:
melisa1 [442]3 years ago
8 0

Step-by-step explanation:

In simplify form: 1.3x+2.4-6.1-3.2 = -4.8x-0.8

or factor the expression: =-4/5×(6x+1) Alternate form: -0.8(6x+1). I hope this helps.

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I need help ASAP.... please help....
avanturin [10]

Answer:

(7x-1)(x-3)

Step-by-step explanation:

7x^2 - 22x + 3

The factors have to add to -22, but multiply to equal 3. But since the "a" value has a number on it, you have to use it too.

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3 years ago
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Task I
Sever21 [200]

Answer:

The total money invested in the field will be \$1,623.80

Step-by-step explanation:

step 1

Find the dimensions of the field

Let

x -----> the length of the field

y -----> the width of the field

we know that

The perimeter of the field is equal to

P=2(x+y)

P(4.80)=1,584

P=330\ m

so

330=2(x+y) ----> equation A

x=4y-10 ------> equation B

substitute equation B in equation A and solve for y

330=2(4y-10+y)

165=(5y-10)

5y=165+10

y=35

Find the value of x

x=4(35)-10=130

therefore

The length of the field is 130 meters and the width of the field is 35 meters

step 2

Find the area of the field

The area of the field is

A=xy

substitute

A=(130)(35)=4,550\ m^2

step 3

Find the number of bags of seed

Divide the area by 460

4,550/460=9.89\ bags

Round up to the nearest whole number

9.89=10\ bags

step 4

Find the cost of the seed

(10)(3.98)=\$39.8

step 5

Find the total money invested in the field

\$1,584+\$39.8=\$1,623.80

8 0
4 years ago
What are the three questions please help me
ziro4ka [17]
For number one, you will divide 15.7 by 5. This is becuase all the strawberries are the same size and mass. This will give you 3.14 or choice C.

For number 2, you will divide 35.37 by three because there are 3 shirts for the same price. This will give you 11.79 or choice C.

For number 3, you will divide 1.28 by 16 since there are 16 of the same size cookies. This will give you 0.08 or choice B.
7 0
3 years ago
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