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Reil [10]
3 years ago
15

Please help me i need it -_-

Mathematics
1 answer:
Natasha2012 [34]3 years ago
7 0
The answer to your question is option b
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Does anyone know what to fill in?
riadik2000 [5.3K]

Answer:

$36.69

Step-by-step explanation:

Okay, so let's first write the equation:

2.59*10 + 3d = 135.97

Now, let's work on isolating d by first simplifying the equation:

25.9 + 3d = 135.97

25.9 + 3d - 25.9 = 135.97 - 25.9

3d = 110.07

3d/3 = 110.07/3

d = 36.69

Okay, now let's check:

2.59*10 + 3*36.69  = 135.97

25.9 + 110.07 = 135.97

135.97 = 135.97

Okay, so so it costs $36.69 per pair of shoe.

4 0
3 years ago
-2(x-5)=6(2- 1/2x)<br><br> Please show your work. Distributive property, remove variable
schepotkina [342]

The solution of given equation is x=2

Further explanation:

In order to solve the given equation we have to isolate the variable x on one side of the equation. The process will involve distributive property and simplification.

Given:

-2(x-5)=6(2-\frac{1}{2}x)\\Apply\ distributive\ property\\-2x-2(-5)=(6)(2)-(6)(\frac{1}{2}x)\\-2x+10=12-\frac{6}{2}x\\-2x+10=12-3x\\-2x+3x=12-10\\x=2

The solution of given equation is x=2

Keywords: Linear Equation, Distributive property

Learn more about linear equations at:

  • brainly.com/question/10169676
  • brainly.com/question/10208427

#LearnwithBrainly

6 0
3 years ago
Evaluate the expression x^2 - y^2, if x = -3, and y= 2
Darina [25.2K]

\\ \rm\longmapsto x^2-y^2

\\ \rm\longmapsto (-3)^2-(2)^2

\\ \rm\longmapsto 9-4

\\ \rm\longmapsto 5

4 0
3 years ago
Mr. Atkinson manages playgrounds for the 8 elementary schools in the Franklin School District. This year, he wants to put new sa
astra-53 [7]

Answer: 5 bags of sand

Step-by-step explanation:

Given

There are 8 elementary schools

3 Tons of sand is needed

It is contained in a 50- Pound bag

1 ton is equivalent to 2000 Pound

No of 50- Pound bag required is

\Rightarrow n=\dfrac{2000}{50}\\\\\Rightarrow n=40

These 40 bags will be required in 8 schools. So, each school requires

\Rightarrow \dfrac{40}{8}=5\ \text{bag}

8 0
3 years ago
Read 2 more answers
HURRY PLZZ!!! THIS IS 90 POINTS!!! I WILL MARK BRANLYEST!!!! 2. A ladder is leaning against the outside wall of a building. The
Marina86 [1]

Answer & Step-by-step explanation:

7 0
3 years ago
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