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1 year ago

Find the missing length indicated Thank you!

Mathematics

1 answer:

Novay_Z [31]1 year ago

6 0

Answer:

Step-by-step explanation:

The big triangle and small triangles are similar so their corresponding sides are in proportion.

x/15 = 15/9

x= 15*15/9

x=25

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HELP!

maksim [4K]

Part A

$4x^2 -7x-15=0\\\\(4x+5)(x-3)=0\\\\x=-\frac{5}{4}, 3$

So, the x-intercepts are $\boxed{\left(-\frac{5}{4}, 0 \right), (3,0)}$

Part B

The vertex will be a minimum because the coefficient of $x^2$ is positive.

The x-coordinate of the vertex is $x=-\frac{-7}{2(4)}=\frac{7}{8}$

Substituting this back into the function, we get $f\left(\frac{7}{8} \right)=4\left(\frac{7}{8} \right)^2 -7\left(\frac{7}{8} \right)^2 -15=-\frac{289}{16}$

So, the coordinates of the vertex are $\boxed{\left(\frac{7}{8}, -\frac{289}{16} \right)}$

Part C

Plot the vertex and the x-intercepts and draw a parabola that passes through these three points.

The graph is shown in the attached image.

7 0

1 year ago

1 1 1 + + 10 5 10 + + 11 11 11 11 6

bulgar [2K]

Answer:

186

Step-by-step explanation:

if I am understanding your question correctly

7 0

1 year ago

Read 2 more answers

Find the percent error with the given values. Estimated value = 2 .Actual value = 5.

tamaranim1 [39]

Answer:

60%

Step-by-step explanation:

$%error=\frac{Actual-Estimated}{Actual}$ $percent error=\frac{Actual-Estimated}{Actual}*100%\\=\frac{5-2}{5} *100%\\=60%$

8 0

2 years ago

How to solve and simplify 2/3 x 5/6 x 14

likoan [24]

It would be 7and 7/9

3 0

2 years ago

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ASAP ANSWER PLEASE

Liula [17]

Answer:

y = 2x -8

Step-by-step explanation:

The slope intercept form for a line is

y = mx+b where m is the slope and b is the y intercept

y = 2x -8

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2 years ago