3 years ago

6th grade math help me pleaseeee

Mathematics

2 answers:

Furkat [3]3 years ago

8 0

Answer:

I think it's the top left one

Step-by-step explanation:

Ivahew [28]3 years ago

5 0

Answer:

the top left one

Step-by-step explanation:

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VARVARA [1.3K]

Answer: That looks so hard

Step-by-step explanation:

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3 years ago

The perimetee are 81cm and the ratio sides are 2:3:4 find the area of triangle

kari74 [83]

Answer: 18,27,36

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3 years ago

f(x) = -4x^2+12x-9f(x)=−4x 2 +12x−9f, left parenthesis, x, right parenthesis, equals, minus, 4, x, squared, plus, 12, x, minus,

Olin [163]

Answer:

The graph has only one x-intercept

Step-by-step explanation:

we have

$f(x)=-4x^2+12x-9$

we know that

The discriminant of a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$D=b^{2}-4ac$

in this problem we have

$f(x)=-4x^2+12x-9$

$a=-4\\b=12\\c=-9$

substitute

$D=12^{2}-4(-4)(-9)$

$D=144-144$

$D=0$

The discriminant is zero

That means ----> The quadratic equation has one real solution

The graph has only one x-intercept

3 0

3 years ago

The length of a table is 6 feet. On a scale drawing, the length is 2 inches. Write three possible scales for the drawing.

Rus_ich [418]

A possible scale for the drawing can be
1 inches : 3 feet.
2 inches : 6 feet
or 3 inches to 9 feet
or 0.5 inches to 1.5 feet.

Hope this helps :)

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3 years ago

A phone company worker needs to know the height of a cell tower, so he decides to use a 2 m pole and shadows cast by the sun, as

olganol [36]

I always found it easiest to draw out the picture

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3 years ago