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2 years ago

-4. (4 + 2) + 234 - 9 Answer here

Mathematics

2 answers:

worty [1.4K]2 years ago

7 0

Answer:

-4(4+2)+234-9=201

Step-by-step explanation:

sasho [114]2 years ago

7 0

Answer:

- 4,231 is the right answer

Step-by-step explanation:

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A student draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-

faust18 [17]

Answer:

The positive difference between the a values is 0.5

Step-by-step explanation:

we know that

Both parabolas cross the x axis at (-4,0) and (6,0)

The general equation is

$y=a(x+4)(x-6)$

Find the value of a in the first parabola

The y-intercept is (0,-12)

For $x=0, y=-12$

substitute

$y=a(x+4)(x-6)$

$-12=a(0+4)(0-6)$

$-12=a(-24)$

$a=0.5$

Find the value of a in the second parabola

The y-intercept is (0,-24)

For $x=0, y=-24$

substitute

$y=a(x+4)(x-6)$

$-24=a(0+4)(0-6)$

$-24=a(-24)$

$a=1$

Find the positive difference between the a values for the two functions

$1-0.5=0.5$

5 0

2 years ago

Read 2 more answers

-8v=9-9v solve for v

Finger [1]

Answer: v = 9

Step-by-step explanation: Hi there!

First, add 9v on each side to get

v=9.

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2 years ago

Read 2 more answers

Find the slope-intercept form of the line whose slope is 5 and that passes through the point left (-2,8)

Doss [256]

$\text{The slope-intercept form:}\ y=mx+b\\\\\text{m-a slope; b-a y-intercept}$

$\text{We have:}\\m=5\\\text{therefore}\ y=5x+b$

$\text{We know, the line passes through the point}\ (-2;\ 8)\to x=-2;\ y=8\\\\\text{substitute the values of x and y to the equation of the line:}\\\\8=5(-2)+b\\\\8=-10+b\ \ \ |+10\\\\b=18$

$\text{Your answer:}\ y=5x+18$

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2 years ago

Choose all of the equations that are equivalent to 8k = 20. 8k – 4 = 20 + 4 8k ÷ 4 = 20 ÷ 4 8k × 3 = 20 × 3 8k + 10 = 20 + 10 8k

Aleksandr-060686 [28]

Answer:

Step-by-step explanation:

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2 years ago

A couple decided to have 4 children.

AveGali [126]

See below the theee of possibilities:

BBBB
BBBG
BBGB
BBGG
BGBB
BGBG
BGGB
BGGG
GBBB
GBBG
GBGB
GBGG
GGBB
GGBG
GGGB
GGGG

There are 16 differents possibilities.
In 11 of them have at least 2 boys

So probability is 11/16

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3 years ago