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RUDIKE [14]
3 years ago
10

Can you help me with this please?​

Mathematics
1 answer:
Ivanshal [37]3 years ago
5 0
Your answer should be
y=7x-17
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Which function describes this graph a. y=(x+5)(x-4) b. y=(x-3)(x-6) c. y=x^2-2x+4 d. y=x^2*9x+18
lara [203]

Answer:

I believe that the answer is B

6 0
3 years ago
A purchaser paid $1,539.13 for a computer system that originally cost $1,215.91. If the markup was 21% of the $1,539.13 selling
liubo4ka [24]

Answer:

$1272.008264

Step-by-step explanation:

If the mark-up was 21%, then the final price is 121% of the original price.  Simply divide $1,539.13 by 1.21 to get the original price of $1272.008264

7 0
4 years ago
The equation f(x) = 3x2 − 24x + 8 represents a parabola. What is the vertex of the parabola?
s2008m [1.1K]

\bf \textit{vertex of a vertical parabola, using coefficients} \\\\ f(x)=\stackrel{\stackrel{a}{\downarrow }}{3}x^2\stackrel{\stackrel{b}{\downarrow }}{-24}x\stackrel{\stackrel{c}{\downarrow }}{+8} \qquad \qquad  \left(-\cfrac{ b}{2 a}~~~~ ,~~~~  c-\cfrac{ b^2}{4 a}\right) \\\\\\ \left(-\cfrac{-24}{2(3)}~~,~~8-\cfrac{(-24)^2}{4(3)}  \right)\implies (4~~,~~8-48)\implies (4~~,~-40)

5 0
4 years ago
Find the first three terms of the sequence below. Tn=n2+2n+9​
klasskru [66]

\\ \bull\tt\longrightarrow T_n=n^2+2n+9

\\ \bull\tt\longrightarrow T_1=1^2+2(1)+9=1+2+9=12

\\ \bull\tt\longrightarrow T_2=2^2+2(2)+9=4+4+9=17

\\ \bull\tt\longrightarrow T_3=3^2+2(3)+9=9+6+9=24

8 0
3 years ago
The two cones are congruent. Determine the unknown measures of the cones. A = units B = units C = units D = units
VikaD [51]

Answer:

3.1

4.2

5.2

42

Step-by-step explanation: Just copy the other cone and find half of the diameter to find the radius the cones are congruent.

6 0
4 years ago
Read 2 more answers
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