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kolezko [41]
3 years ago
8

What are the x-intercepts of the quadratic function? f(x) = x2-3x-10

Mathematics
1 answer:
zzz [600]3 years ago
3 0
-2 and 5 (just put in a graphing calculator and find the zeros)
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What expression represents the area of the triangle?
inysia [295]
A=bh/2, that is area is equal to half of the product of the base and height, so in this case:

A=(1/2)*10*24
3 0
3 years ago
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Work out the value of A
Mkey [24]

Answer:

that is really so difficult ? what do you not understand here ? please let me know, if you need any further explanations.

you know what the perimeter is ? if it's the circumference, the way around the object. in other words, the distance you have to walk, when going along all sidelines of the object.

so the perimeter is the sum of of all side lengths.

56 = x - 1 + 3x + 3x + 1 = 7x

x = 8

that gives us the side lengths :

x - 1 = 7 cm

3x = 21 cm

3x + 1 = 22 cm

the formula for the area of a triangle

A = baseline × height / 2

the advantage of a right-angled triangle in this regard is that the sides enclosing the 90 degree angle are already "acting" as baseline and the height (standing on the baseline with a 90 degree angle).

so, we can simply say here, the 3x side is the baseline, and the x-1 side is also the height.

therefore,

A = 21×7/2 = 147/2 = 73.5 cm²

6 0
2 years ago
I love each and everyone of yall for helping me lOVE you guys so so much i lOVE THIS APP!
Murrr4er [49]

Answer:

YAS!!

Step-by-step explanation:

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2 years ago
2+2 Ahhhh im failing math
guajiro [1.7K]

Answer:

It’s 2000

Step-by-step explanation:

Buttttt if u want to get an A plus put 222222222222222222

8 0
3 years ago
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Can someone define the word of an pre-image in math
d1i1m1o1n [39]

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The image before a transformation is performed.

Step-by-step explanation:

Hope it helps!

This means the image that was there before a translation, reflection, rotation, or dilation was performed.

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2 years ago
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