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eimsori [14]
2 years ago
13

Expand 4(-2y+ 3). 2y+7 0:-8 y + 12 2 y + 12 -8 y+ 3

Mathematics
1 answer:
stepan [7]2 years ago
8 0
It is -8y+12
You have to multiply 4 by -2 which equals -8
Then you do 4x3 which equals 12
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Can someone find an equation for this because I am stuck on this. Thanks
Vera_Pavlovna [14]

Answer:

y = 11.5x - 18

Step-by-step explanation:

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desmos will draw a line of best fit and provide the correlation coefficient, slope, and y-intercept

7 0
2 years ago
-x + 4y when x = -4/5 and y = 1/3
Usimov [2.4K]

we have the expression

-x+4y

Evaluate for x=-4/5 and y=1/3

substitute the values of x and y in the given expression

\begin{gathered} -(-\frac{4}{5})+4(\frac{1}{3}) \\ \frac{4}{5}+\frac{4}{3} \\ \frac{3\cdot4+5\cdot4}{15} \\ \frac{32}{15} \end{gathered}

the answer is 32/15

8 0
10 months ago
Dan invests £11000 into a savings account. The bank gives 3.9% compound interest for the first 3 years and 4.5% thereafter. How
rodikova [14]
The initial amount of the money is £11,000 and the interest is 3.9% per year for first 3 years and then 4.5% after that. If Dan invests it for 7 years, that means the interest would be 3 years of 3.9% and 4 years of 4.5%.
The calculation would be:

total money= initial amount * interestrate1 * interest 2
total money= £11000 *(100%+3.9%)^3<span>*(100%+4.5%)^4
</span>total money= £11000 *(103.9%)^3 * (104.5%)^4
total money= £11000 * <span>1.121622319 </span>* 1.1925186
total money= £14,713.11

8 0
3 years ago
Write a reciprocal function with asymptotes x=4 and y=-9.
gayaneshka [121]
Attached the solution and work.

5 0
3 years ago
What is the vertical component of a 100 pound force applied at 30° above the horizontal?
lutik1710 [3]
That would be 100 * sin 30 = 100 * 0.5 = 50 pounds
4 0
2 years ago
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