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Romashka-Z-Leto [24]
3 years ago
11

Can someone help me please

Mathematics
1 answer:
iren2701 [21]3 years ago
8 0
It should definitely be b
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????????!1!!!!!!! HELPPPPPPPPPPP
pav-90 [236]

Answer:

9

Step-by-step explanation:

Let us say, Olivia's age is x.

Now as the question says, we will get this equation.

( \frac{1}{3}  x ) + 12= 2x - 3

Multiply both sides by 3.

x + 36 = 6x - 9

Collect like terms.

x - 6x =  - 9 - 36

Calculate.

- 5x =  - 45

Divide both sides of the equation by -5.

x = 9

Then, we will get the answer.

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8 0
2 years ago
Solve the initial value problem: y'(x)=(4y(x)+25)^(1/2) ,y(1)=6. you can't really tell, but the '1/2' is the exponent
goblinko [34]

Answer:

y(x)=x^2+5x

Step-by-step explanation:

Given: y'=\sqrt{4y+25}

Initial value: y(1)=6

Let y'=\dfrac{dy}{dx}

\dfrac{dy}{dx}=\sqrt{4y+25}

Variable separable

\dfrac{dy}{\sqrt{4y+25}}=dx

Integrate both sides

\int \dfrac{dy}{\sqrt{4y+25}}=\int dx

\sqrt{4y+25}=2x+C

Initial condition, y(1)=6

\sqrt{4\cdot 6+25}=2\cdot 1+C

C=5

Put C into equation

Solution:

\sqrt{4y+25}=2x+5

or

4y+25=(2x+5)^2

y(x)=\dfrac{1}{4}(2x+5)^2-\dfrac{25}{4}

y(x)=x^2+5x

Hence, The solution is y(x)=\dfrac{1}{4}(2x+5)^2-\dfrac{25}{4} or y(x)=x^2+5x

4 0
3 years ago
There are 173 basketball fans who plan to go to a game. How many buses will be needed, given that each bus can hold 46 fans?
Iteru [2.4K]

Answer:

4 buses

Step-by-step explanation:

There are 173 basketball fans

one bus can hold 46 fans

Hence the number of buses needed can be calculated as follows

= 173/46

= 3.76

= 4

Hence 4 buses are needed

3 0
3 years ago
Pls help. i suck at math (sadly)
mrs_skeptik [129]
The answer is 3.75 pounds of water
8 0
3 years ago
I will give Brainiest if you are right
jok3333 [9.3K]

Answer:

B. 4x ≤ 320

Step-by-step explanation:

Not sure how to explain my thinking. However, 4x must be smaller than 320 because she cannot spend more than that.

6 0
3 years ago
Read 2 more answers
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