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3 years ago

Help me with this two question please

Mathematics

2 answers:

Degger [83]3 years ago

8 0

I think the answer is b

Rashid [163]3 years ago

8 0

1. Is B for sure
2. Is C I think

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Write the quadratic equation whose roots are 1 and -2, and whose leading coefficient is 3.

kirill115 [55]

Answer:

See below

Step-by-step explanation:

The quadratic equation in factored form:

a(x - α)(x - β), where a- leading coefficient, α and β - roots

We have:

a = 3, α = 1, β = -2

Substitute them to get:

3(x - 1)(x + 2)

Converting this into standard form:

3(x - 1)(x + 2) =
3(x² + x - 2) =
3x² + 3x - 6

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3 years ago

I need help with this page

Alika [10]

This is all I can do for now, I might be back to solve the rest, I’m sorry.

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2 years ago

Q1 - Find the circumference of following circle. Take π = 3.14

Tanzania [10]

Answer:

The circumference of the circle is C-72.22 units

Step by step explanation-

Given-

Diameter of circle (d) = 23 units
π = 3.14

Now,

<h3> $\mathfrak {circumference \: of \: circle = \pi d }$ </h3>

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 3.14 \times 23$

$\: \: \: \: \: \: \:\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \boxed{ = 72.22 \: units}$

6 0

3 years ago

Read 2 more answers

What is the slope of the line that passes through the points (-5,-6 ) and (5,1)?

Vsevolod [243]

Answer: Slope-intercept form, y=mx+b, of linear equations, emphasizes the slope and the y-intercept of the line.

m(slope)=7/10 or (7,10)

8 0

3 years ago

4(x + 1) = 4x + 4

topjm [15]

Answer:

the 4 can change to any nummber

Step-by-step explanation:

6 0

3 years ago