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inessss [21]
3 years ago
15

PLS HELP ME !! MARKING BRAINLIST IF CORRECT!! :) HELP WITH BOTH PROBLEMS

Mathematics
1 answer:
Svetach [21]3 years ago
4 0

Answer:

Number 8 is C. Number 9 is A

Step-by-step explanation:

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A line passes through the point (10,5) and has a slope of 3/2. Write and equation in slope intercept form
ehidna [41]
\bf \begin{array}{lllll}
&x_1&y_1\\
%   (a,b)
&({{ 10}}\quad ,&{{ 5}})\quad 
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies \cfrac{3}{2}
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-5=\cfrac{3}{2}(x-10)\implies y-5=\cfrac{3}{2}x-15
\\\\\\
y=\cfrac{3}{2}x-15+5\implies y=\cfrac{3}{2}x-10
8 0
3 years ago
Type the expression that results from the following series of steps:
swat32

Answer:

<em>start with y</em>

y

<em>add 7</em>

y+7

<em>multiply by 3</em>

3(y+7)

<em>subtract 6</em>

3(y+7)-6

<u>therefore the answer is:</u>

3y + 21 - 6

=

3y + 15 or 3(y+5)

5 0
2 years ago
What is 5 gallons and 4 guarts
sveticcg [70]
Answer = <span>6 US gallons</span>
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4 0
2 years ago
Read 2 more answers
cynthia invests some money in a bank which pays 5% compound interest per year. She wants it to be worth over £8000 at the end of
exis [7]

Answer:

The smallest amount is \£6,911

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=3\ years\\ A=\£8,000\\ r=5\%=5/100=0.05\\n=1  

substitute in the formula above

8,000=P(1+\frac{0.05}{1})^{1*3}  

solve for P

8,000=P(1.05)^{3}  

P=8,000/(1.05)^{3}  

P=\£6,910.70  

Round to the nearest pound she can invest

The smallest amount is \£6,911

6 0
3 years ago
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