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vampirchik [111]
2 years ago
10

#1 with work please

Mathematics
2 answers:
Elena-2011 [213]2 years ago
7 0

Answer:

-19

Step-by-step explanation:

5v+3w

Let v = -5 and w=2

5(-5) + 3(2)

Multiply first

-25 + 6

The add

-19

Ugo [173]2 years ago
4 0

1. Evaljate 5v +3w for v = -5 and w = 2

plug-in

5(-5) +3(2)

-25 +6

Answer: -19

2. Simplify the expression 8(e -1) + 2(e -1)

Distribute

8(e -1) + 2(e -1)

8e -8 + 2e -2

10e -10

Answer:  10e -10

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if a piece of string which is 368cm long must be cut into 8 equal pieces how long will each piece be (answer in mm)​
Maksim231197 [3]
1cm= 10mm
So you do 368 divided by 80 which is 4.6mm
3 0
2 years ago
Lynnette went to the coffee shop to buy coffee beans. She purchased 2.5 pounds of her favorite blend. This blend cost $8.50 per
ElenaW [278]

Answer: $21.25

Step-by-step explanation:

Given

Lynnette purchased 2.5 Pounds of blent, which costs $8.50 per pound

total cost is the Product of the amount of blend and rate of coffee blend

\Rightarrow C=2.5\times 8.50=\$21.25

So, coffee beans cost $21.25

4 0
2 years ago
Help with these plz thanks
asambeis [7]

10x = 5 Answer: x = 1/2

−5 = x + 6 Answer: x = -11

22 = 22x Answer: x = 1

0 = −7x Answer: x = 0

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7 0
3 years ago
What is the area of the trapezoid?
DanielleElmas [232]

Answer:

C) 100 m^2

Step-by-step explanation:

Area of a trapezoid= h*[(b1+b2)/2]

h=10

b1=8

b2=12

Therefore:

A=10*[(8+12)/2]

A=10*(20/2)

A=10*10

A=100

So the area of the trapezoid is 100 m^2

7 0
2 years ago
What are the steps to this problem (and the answer?)
Svetradugi [14.3K]

Answer:

(25 {x}^{2}  + 20xy + 16 {x}^{2} )(5x - 4y) =  \\ 125 {x}^{3}  + 100 {x}^{2} y + 80x {y}^{2}  - 100 {x}^{2} y  \\ - 80x {y}^{2}  - 64 {y}^{3}  =  \\ 125 {x}^{3}  - 64 {y}^{3}  \\ please \: give \: brainliest

5 0
2 years ago
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