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Mars2501 [29]
3 years ago
11

What is 3/8b+1/6b+5/12b=69

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
8 0

Answer:

  b = 72

Step-by-step explanation:

It is a linear equation in one variable, b. Maybe you want the solution.

Multiplying the equation by 24, we get ...

  9b +4b +10b = 1656

  23b = 1656 . . . . collect terms

  b = 72 . . . . . . . . divide by 23

You might be interested in
Which numbers are equivalent to 3/10
Sedbober [7]

Answer:

Multiply numerator and denominator with same number to gwt the answers . There are infinitely many numbers

3/10 × 2/2 = 6/20

3/10 × 5/5 = 15/50

3/10 × 10/10 = 30/100

And so on

8 0
3 years ago
Emmy throws a doggy toy up in the air. The path of the toy is modeled by the function f(x)=−x^2+4x+5, where x is the number of f
Molodets [167]

Answer:

9feet

Step-by-step explanation:

Given the path of the toy modeled by the function f(x)=−x^2+4x+5, where x is the number of feet the toy is from Emmy and f(x) is the height of the toy.

AT maximum height, the velocity of the toy will be zero. Hence;

df(x)/dx = 0

-2x + 4 = 0

-2x = -4

x = -4/-2

x = 2

Get the maximum height;

Substitute x = 2 into the given function;

f(x)=−x^2+4x+5

f(2)=−2^2+4(2)+5

f(2) = -4+8+5

f(2) = 9feet

Hence the maximum height of the toy is 9feet

4 0
3 years ago
F(x)= 3x+4<br> find inverse, domain, at range of the function and it's inverse.
daser333 [38]

Answer:

12

вот правильный ответ

6 0
3 years ago
-2 (m+n-4)+5 (-2m+2n)+n (m+4n-5)
Natalka [10]
So if you want to add
we distribute
a(b+c)=ab+ac so
-2(m+n-4)=-2m-2n+8

5(-2m+2n)=-10m+10n

n(m+4n-5)=mn+4n^2-5n

so total we ahve
-2m-2n+8-10m+10n+mn+4n^2-5n
group like terms
4n^2+-2m-10m-2n+10n-5n+mn+8
add like temrs
4n^2-12m+3n+mn+8
5 0
3 years ago
I will give brainiest but plzz help fast
Lena [83]

Answer:

Hi there!

The correct answer to this question is: The <u>surface area</u> of the prism is 456 cm^2. The <u>volume</u> of the prism is 408 cm^2

8 0
3 years ago
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