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Burka [1]
3 years ago
8

A function is defined as follows: seee attachment For which x-values is f(x) = 4? Select all that apply.

Mathematics
1 answer:
yulyashka [42]3 years ago
4 0

Answer:

-2 and 2

Step-by-step explanation:

See attachment

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2 years ago
Gia spends 2/5 of her money on a shirt she then spends 4/9 of her remaining money on a pair of shoes what fraction of her money
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5/5 will be a whole, when it comes to 5ths, since she spent 2/5 of her money, 5/5 - 2/5, she has left 3/5 of the whole then.

then she spent 4/9 of her 3/5 leftover, how much is 4/9 of 3/5?  well, is just their product,   \bf \cfrac{4}{9}\cdot \cfrac{3}{5}\implies \cfrac{12}{45}\implies \cfrac{4}{15}
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What is the y-intercept of y = -3/4x+4?
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3 years ago
For 99 pts and Brainliest The vertices of kite DEFG are (5, 5), (8, 2), (5, -4), and (2, 2), respectively. Prove that the diagon
Brums [2.3K]

Answer:

See below

Step-by-step explanation:

<em>Vector argument</em>

Vector DF is (5, -4) - (5, 5) = (0, -9).

Vector EG is (2, 2) - (8, 2) = (-6, 0).

The dot-product of these two vector is (0, -9)•(-6, 0) = 0·(-6) + (-9)·0 = 0.

When the dot-product of two vectors is zero, those vectors are at right-angles to each other. Therefore diagaonal DF ⊥ diagonal EG.

_____

<em>Alternate argument</em>

The x-coordinates of points D and F are the same, so diagonal DF is a vertical line. The y-coordinates of points E and G are the same, so diagonal EG is a horizontal line. Vertical lines are perpendicular to horizontal lines, so DF ⊥ EG.

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3 years ago
I need help on this question!
mafiozo [28]

Answer:

x+7 y-0

(the second option)

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