3 years ago

Help! I need help with numbers 15 and 16. Please explain it too!

Mathematics

1 answer:

GREYUIT [131]3 years ago

7 0

What is 15 and 16? What is the problem?

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Help please ! Need the answers

son4ous [18]

Answer:

$x=\frac{-5+\sqrt{13}}{6} or x=\frac{-5-\sqrt{13}}{6} (decimal: x=-0.23240 , x=-1.43425)$

Step-by-step explanation:

a = 3, b = 5, c = 1

plug into quadratic formula

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3 years ago

Identify the three similar triangles in the figure. Be sure to name the vertices in the correct order

Sonja [21]

Answer:

BDC and ADB

Step-by-step explanation:

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2 years ago

What is a quotient someone please tell me

Viefleur [7K]

Answer:

it means the answer of a division problem

Step-by-step explanation:

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3 years ago

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On the right side, give a reason to justify each step made on the left

cestrela7 [59]

Given that: step 1

$3x+12=8x-18$

step 2: subtract 3x both side

$\begin{gathered} 3x+12-3x=8x-3x-18 \\ 12=5x-18 \end{gathered}$

Step 3: Add 18 both side:

$\begin{gathered} 12+18=5x-18+18 \\ 30=5x \end{gathered}$

Step 4: divide both side by 5

$\begin{gathered} \frac{30}{5}=\frac{5x}{5} \\ 6=x \end{gathered}$

Step:6 The value of x is:

x=6

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1 year ago

Please help me with this

stira [4]

Answer:

in the intersection region of all the solution in the system.

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2 years ago