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Murrr4er [49]
2 years ago
11

On a bicycle trail, the city is painting arrows like the one shown below:

Mathematics
1 answer:
mote1985 [20]2 years ago
4 0

Answer:

151.5 cm^2

Step-by-step explanation:

lets cut stright acrros so you have a triangle 13 (base) by 3 cm (high)

area of a triangle is 1/2 base times hight --> 13x3/2 = 19.5cm^2

now lets doi the rectangle that is 12 by 11

Length times hight is the area is 132

add both areas 132 + 19.5

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Which expression is the factored form of x2 – 7x 10? (x 3)(x 4) (x – 3)(x – 4) (x – 2)(x – 5) (x 2)(x 5)
alexandr402 [8]

The expression x^2 -7x + 10 can be written in factored form as given by Option C: (x-2)(x-5)

<h3>How to find the factors of a quadratic expression?</h3>

If the given quadratic expression is of the form ax^2 + bx + c

then its factored form is obtained by two numbers alpha( α ) and beta( β) such that:

b = \alpha + \beta \\ ac =\alpha \times \beta

Then writing b in terms of alpha and beta would help us getting common factors out.

Sometimes, it is not possible to find factors easily, so using the quadratic equation formula can help out without any trial and error.

For this case, we're provided the expression:

x^2 -7x + 10

We can write 10 as multiple of -5 and -2 and

we can write -7 as sum of -5 and -2. Thus, we get:

x^2 -7x + 10 = x^2 -5x - 2x + 10 = x(x-5+ -2(x-5) = (x-2)(x-5)

Thus, the expression x^2 -7x + 10 can be written in factored form as given by Option C: (x-2)(x-5)

Learn more about factorization of quadratic expression here:

brainly.com/question/26675692

4 0
2 years ago
-5
Iteru [2.4K]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Can somebody help me please
inna [77]

Answer:

104 degrees because 7 and 8 are congruent meaning 8 is also 104

Step-by-step explanation:

6 0
3 years ago
Solve.<br> 6x + 9x – 18y
Romashka [77]

Answer:

15x - 18y

Step-by-step explanation:

Combine like terms:

6x+9x= 15x

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FA: 15x - 18y

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C) (16 + 0.18)16
<span>D) 16 + 0.18(16)

9. </span></span>2.75

8. 22 seconds with 23 min<span>
7. </span><span>0.00892857142

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4. 8.16 cm

3. </span>-3.42857142857
2. 8.3333

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