3 years ago

5) Find the missing term in the sequence. What rule did you use?*

Mathematics

1 answer:

maksim [4K]3 years ago

7 0

The anser is A. 90,divide by 10

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Solve using the quadratic formula. Show all work. Write each solution in simplest form. No decimals.

aleksandrvk [35]

Answer:

x = -2+√3i and -2-√3i

Step-by-step explanation:

The formula for the general formula is expressed as;

x = -b±√b²-4ac/2a

Given the expression

x²+4x+7 = 0

a = 1, b = 4 and c = 7

Substitute

x = -4±√4²-4(1)(7)/2(1)

x = -4±√16-28/2

x = -4±√-12/2

x = -4±√4*-3/2

x = -4±2√-3/2

x = -4±2√3i/2

x = -4+2√3i/2 and -4-2√3/2

x = -2+√3i and -2-√3i

6 0

3 years ago

Determine if is y=3x^2+2x-3 linear, quadratic, or exponential.

podryga [215]

Answer:

it is quadratic

Step-by-step explanation:

a quadratic graph should look like this

MARK BRAINIEST IF IT HELPS

6 0

2 years ago

Triangle ABC is similar to triangle FED, find the measure of x. A. X = 9 B. X = 11 C. X = 110 D. X = 231

just olya [345]

Answer:

$A+B+C=130$

$F+E+D=273$

Step-by-step explanation:

From the question we are told that:

Dimension of ABC

A=9

B=11

C=110

Dimension of FED

D=231

Generally the equation for the similar triangles is mathematically given by

$\frac{A}{F}=\frac{B}{E}=\frac{C}{D}$

Therefore solving for F

$\frac{9}{F}=\frac{110}{231}$

$F=\frac{9*231}{110}$

$F=18.9$

Therefore solving for E

$\frac{11}{E}=\frac{110}{231}$

$E=\frac{11*231}{110}$

$E=23.1$

Measure of $\triangle ABC$

$A+B+C=130$

Measure of $\triangle FED$

$F+E+D=273$

5 0

3 years ago

Use the Rational Root Theorem to list all possible rational roots for the equation.

kicyunya [14]

The answer would be B and here’s the steps :)

5 0

2 years ago

Please help (Geometry)<br> (click to see the whole thing)

omeli [17]

Answer:

Step-by-step explanation:

If we know that D is the midpoint, then 2x + 7 = 4(x-3). Doing the algebra on that gives us

2x + 7 = 4x - 12 and

19 = 2x so

x = 9.5

8 0

2 years ago