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xeze [42]
2 years ago
14

Silvio wants to find the perimeter of quadrilateral ABCD. He begins by computing the length of side AB using the distance formul

a. Finish Silvio’s work to find the length of side AB.
Mathematics
1 answer:
saveliy_v [14]2 years ago
3 0

Answer:

20

Step-by-step explanation:

AB = √(-4)² + (-3)²

AB = √ 16 + 9

AB = √ 25

AB = 5

AD = 4 ; DC = 4 ; BC = 7

Perimeter = 5 + 4 + 4 + 7 = 20 units

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three-fifths of the members of the Spanish club are girls there are a total of 30 girls in the Spanish club which statements can
Neporo4naja [7]

Answer:

\frac{3}{5}x=30 or \frac{3}{5}(\frac{5}{3})x=30(\frac{5}{3}) or x = 50

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
The equation y=2(x-1)^2-5y=2(x−1)
marin [14]

Answer:

(b) It is symmetrical about x = 1

Step-by-step explanation:

Given

y = 2(x - 1)^2 - 5

See attachment for options

Required

True statement about the graph

First, we check the line of symmetric

y = 2(x - 1)^2 - 5

Expand

y = 2(x^2 - 2x + 1) - 5

Open bracket

y = 2x^2 - 4x + 2 - 5

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A quadratic equation y = ax^2 + bx + c has the following line of symmetry

x = -\frac{b}{2a}

By comparison, the equation becomes:

x = -\frac{-4}{2*2}

x = \frac{4}{4}

x = 1

Hence, the line of symmetry is at: x = 1

(b) is true.

8 0
3 years ago
A AND B STAND FOR DIFFERENT DIGITS. FIND THE VALUE OF BOTH A AND B
snow_lady [41]
Do u still have this homework or is it old
8 0
3 years ago
2. What is the sample space for the chance experiment described on this scenario card?
Akimi4 [234]

Answer:18 outcomes

Step-by-step explanation:

There are 18 outcomes on this scenario card. Students can list all of the outcomes or describe them. Here is the list

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