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Sav [38]
4 years ago
12

Pls ill give u brainly

Mathematics
2 answers:
SashulF [63]4 years ago
7 0

Answer:

4

Step-by-step explanation:

Leona [35]4 years ago
5 0

Answer:

15x = 60

Step-by-step explanation:

Hope I helped!! :)..........................................Brainliest?

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just olya [345]

Answer:

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Step-by-step explanation:

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3 years ago
What is the area of a triangle whose vertices are X(1, 1), Y(3, -1), and Z(4,4)?
shepuryov [24]

Answer:

Step-by-step explanation:

Note that in this diagram, point A represents point X, point B represents point Y, and point C represents point Z.

From the diagram, it appears as if \overline{XZ} \perp \overline{XY}. To determine if this is the case, we can find the slopes of both segments.

m_{\overline{XZ}}=\frac{4-1}{4-1}=1\\m_{\overline{XY}}=\frac{-1-1}{3-1}=-1

Since these slopes are negative reciprocals, we know that they are perpendicular.

This means we can use the formula A=\frac{1}{2}bh, where b is the base (XY) and h is the height (XZ).

  • Note these are interchangeable.

Using the distance formula,

XY=\sqrt{(3-1)^{2}+(-1-1)^{2}}=2\sqrt{2}\\XZ=\sqrt{(4-1)^{2}+(4-1)^{2}}=3\sqrt{2}

This means the area is \frac{1}{2}(2\sqrt{2})(3\sqrt{2})=\boxed{6}

7 0
2 years ago
Can you all help me really quic! I would appreciate it
kompoz [17]

Step-by-step explanation:

hello I was bored can anyone Jo in zo om id 7100543889 password 7xXVNW

6 0
3 years ago
Y=f(x)=-5x find f(x) when x=3
BartSMP [9]

Answer:


Step-by-step explanation:

y=f(x)=-5x

since x=3 just replace x with 3

y=f(x)=-5(3)

y=f(x)=-15

8 0
3 years ago
PLS HELP ILL MARK BRAINLEST PLUS ADDITIONAL POINTSS!!
Serga [27]

Answer:

114

Step-by-step explanation:

15 x 2 + 9 x 2 + 11 x 3 + 11 x 3 = 114

(the bottom portion is equal to 3 x 11)

7 0
3 years ago
Read 2 more answers
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