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vladimir1956 [14]
3 years ago
9

PLEASE HELP !!! ASAP

Mathematics
1 answer:
Irina18 [472]3 years ago
7 0
11.88x=172.26
11.88x/11.88=172.26/11.88
X=14.5
To the nearest tenth
X=15
She has to work 15 hours to pay for the new scooter
You might be interested in
Subtract
frozen [14]

The subtraction gives -7x^2( x + 1) - 3

<h3>What are algebraic expressions?</h3>

Algebraic expressions are expressions are expressions that are made up of factors, terms, variables and constants.

They also consist of arithmetic operations.

We have to subtract (6x^3 − x^2 + 8x + 5) from (−x^3 − 9x^2 + 2)

It is written as;

(−x^3 − 9x^2 + 2) - (6x^3 − x^2 + 8x + 5)

−x^3 − 9x^2 + 2 - 6x^3 + x^2 - 8x - 5

collect like terms

-x^3 - 6x^3 - 9x^2 + x^2 + 2 - 5

Add like terms

-7x^3 - 7x^2 - 3

To simply further

-7x^2( x + 1) - 3

Thus, the subtraction gives -7x^2( x + 1) - 3

Learn more about algebraic expressions here:

brainly.com/question/4344214

#SPJ1

7 0
2 years ago
Which of the graphs below would result if you made the leading term of the
Anettt [7]

Answer:

A%7.2= ( 7.5№) =(+--+) this is the best answer

3 0
3 years ago
Read 2 more answers
What is the value of a in the equation 5a – 10b = 45, when b = 3?
andriy [413]
To get the answer we have to substitute b=3 and solve it.
5a-10b=45
5a-10*3=45
5a-30=45         /+30  add 30 both sides
5a-30+30=45+30
5a=75              /:5    divide both sides by 5
5a:5=75:5
a=15 - its the answer
8 0
3 years ago
Read 2 more answers
4) Given: f(x) = 4x – 1 g(x)= 3x - 2
Luba_88 [7]

Step-by-step explanation:

f(x) = 4x - 1

g(x) = 3x - 2

1) f(x) + g(x) = (4x - 1) + (3x - 2)

= 4x - 1 + 3x - 2

= 4x + 3x -1 - 2 = 7x - 3

2) f(x) * g(x) = (4x - 1) * (3x - 2)

= 12x^2 - 8x - 3x + 2

= 12x^2 -11x + 2

3) f(g(x)) = 4(3x - 2) - 1

= 12x - 8 - 1

= 12x - 9

4) f(x) - g(x) = (4x - 1) - (3x - 2)

= 4x - 1 - 3x + 2

= 4x - 3x - 1 +2

= x + 1

3 0
3 years ago
Rodrigo planted flowers in a section of a circular garden as shown. Calculate the closest area of this sector of the garden to t
Novay_Z [31]

Answer:

A = 118ft^2

Step-by-step explanation:

See attachment for complete question.

From the attachment, we have:

\theta = 80

r = 13ft -- Radius

Required

Determine the area of the sector

Area (A) of a sector is calculated as:

A = \frac{\theta}{360} * \pi r^2

Substitute values for r and \theta

A = \frac{80}{360} * \pi 13^2

A = \frac{80}{360} * \pi *169

A = \frac{80*169}{360} * \pi

A = \frac{13520}{360} * \pi

Take \pi as \frac{22}{7}

A = \frac{13520}{360} * \frac{22}{7}

A = \frac{13520 * 22}{360 * 7}

A = \frac{297440}{2520}

A = 118ft^2<em>-- approximated</em>

4 0
3 years ago
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