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lions [1.4K]
3 years ago
5

HEELPPPPPP I NEED HELPPPP

Mathematics
1 answer:
lora16 [44]3 years ago
8 0

Answer: the anser is

Step-by-step explanation:

9/24= 0.375 0.375x40=15

w=15 liters

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Question 9<br> Expand and simplify (2x-7)(3x-8).
Readme [11.4K]

Answer:

=> Expand by applying the FOIL method

2x\cdot \:3x+2x\left(-8\right)-7\cdot \:3x-7\left(-8\right)

=> combine like terms

6x^2-37x+56

4 0
2 years ago
Sin^2(x/2)=sin^2x <br> Find the value of x
Veronika [31]
\sin^2\dfrac x2=\sin^2x
\dfrac{1-\cos x}2=1-\cos^2x
1-\cos x=2-2\cos^2x
2\cos^2x-\cos x-1=0
(2\cos x+1)(\cos x-1)=0
\implies\begin{cases}2\cos x+1=0\\\cos x-1=0\end{cases}\implies\begin{cases}\cos x=-\frac12\\\cos x=1\end{cases}

The first case occurs in 0\le x for x=\dfrac{2\pi}3 and x=\dfrac{4\pi}3. Extending the domain to account for all real x, we have this happening for x=\dfrac{2\pi}3+2n\pi and \dfrac{4\pi}3+2n\pi, where n\in\mathbb Z.

The second case occurs in 0\le x when x=0, and extending to all reals we have x=2n\pi for n\in\mathbb Z, i.e. any even multiple of \pi.
6 0
4 years ago
Translate and solve using proportions: What number is 115% of 95?<br> Provide your answer below:
Vanyuwa [196]

Answer:

Step-by-step explanation:

115% = 115/100 = 1.15

of means multiply

1.15 * 95 = 109.25

3 0
3 years ago
Caitlin has a cookie recipe that requires 1.25 pounds of sugar how many grams of sugar does she need
Harman [31]

Answer:

For this answer, you need to do a conversion from pounds to grams. 1 pound is equal to 453.592 or just 453.6 grams if rounding is allowed. You would need to multiply 1.25 pounds to the 453.6 grams which would equal 566.99 grams or if you are rounding then it is 567 grams.

Your final answer is 567 grams of sugar.

7 0
2 years ago
Can yall pls tell me the number
SIZIF [17.4K]

Answer:

4

Step-by-step explanation:

The fraction reduces to 4/7

4 0
3 years ago
Read 2 more answers
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