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Bad White [126]
3 years ago
11

Find 3 consecutive integers whose sum is 573

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
7 0
Hey! Hope that I can help!

If we use x, x+2, and x+4 as our 3 consecutive odd integers, we get this equation: x + x + 2+ x + 4 = 573. After putting that into simpler terms, we get this: 3x + 6 = 573. Then we subtact 6 from both sides. We get 3x = 567. 567 ÷ 3 = 189.
x = 189. 

If this helped, please mark this answer the brainliest. Thanks!
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bezimeni [28]
Hi, I'd be glad to help you with this equation. 

Your answer is (5/ x + 3) 

Hope this helps. 
Have a great day!
8 0
4 years ago
Reflect the shape over the line shown !
snow_lady [41]
This is the reflected shape can u award brainliest

7 0
2 years ago
1. If 40% of a number is 56, what was the original number?
Setler79 [48]

Answer:

140

I am not completely sure but what i did was

56/? = 40/100

56*100

5600/40

140

7 0
3 years ago
Read 2 more answers
Given the function f(x)=3x+5a / x^2-a^2 find the value of a for which f'(12) = 0
maria [59]
The function, as presented here, is ambiguous in terms of what's being deivded by what.  For the sake of example, I will assume that you meant

           3x+5a
<span> f(x)= ------------
</span>          x^2-a^2

You are saying that the derivative of this function is 0 when x=12.  Let's differentiate f(x) with respect to x and then let x = 12:

             (x^2-a^2)(3) -(3x+5a)(2x)
f '(x) = ------------------------------------- = 0 when x = 12
                [x^2-a^2]^2

(144-a^2)(3) - (36+5a)(24)
------------------------------------  =  0
               [   ]^2

Simplifying,

(144-a^2) - 8(36+5a) = 0

144 - a^2 - 288 - 40a = 0

This can be rewritten as a quadratic in standard form:

-a^2 - 40a - 144 = 0, or a^2 + 40a + 144 = 0.

Solve for a by completing the square:

a^2 + 40a + 20^2 - 20^2 + 144 = 0
        (a+20)^2    = 400 - 144 = 156

        Then a+20 = sqrt[6(26)] = sqrt[6(2)(13)] = 4(3)(13)= 2sqrt(39)

         Finally, a = -20 plus or minus 2sqrt(39)

You must check both answers by subst. into the original equation.  Only if the result(s) is(are) true is your solution (value of a) correct.
6 0
4 years ago
∠A and \angle B∠B are vertical angles. If m\angle A=(7x-6)^{\circ}∠A=(7x−6) ∘ and m\angle B=(8x-27)^{\circ}∠B=(8x−27) ∘ , then f
kumpel [21]

Answer: 141 degrees

Step-by-step explanation:

6 0
2 years ago
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