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sleet_krkn [62]
4 years ago
11

Simplify square root of five times square root of eight. two square root of ten four square root of ten square root of forty squ

are root of thirteen
Mathematics
2 answers:
ra1l [238]4 years ago
5 0

Answer:

two square root of ten - A

Step-by-step explanation:

2\sqrt10

Brainliest Plzzz!!!!

Simora [160]4 years ago
4 0
I think answer should be on the calculator
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The center of a circle represented by the equation (x+9)^2 + (y-6)^2 =10^2 is what
inysia [295]

Answer:

A

Step-by-step explanation:

the equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

(x + 9)² + (y - 6)² = 10² is in this form

with centre = (- 9, 6) → A


3 0
3 years ago
Suppose that you can buy 5 apples for $2. How much would it cost to<br> buy 17 apples?
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69420 apples all together
7 0
3 years ago
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Explain how you could use the construction tool or a compass and straightedge to create a line segment that is twice as long
MAXImum [283]
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3 years ago
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Solve this please and thank you
natulia [17]

Answer:

x = 6 and DF = 3*6-3 = 15

Step-by-step explanation:

Given triangles are similar and their side lengths are proportional

the similarity ratio for this pair is 4/8 = 1/2

the length of DF:

(7.5)/(3x - 3) = 1/2 cross multiply expressions

3x - 3 = 15 add 3 to both sides

3x = 18 divide both sides by 2

x = 6 and DF = 3*6-3 = 15

4 0
3 years ago
Which equation matches the graph shown below?
vagabundo [1.1K]
The graph is a parabola with roots at (-4.5, 0) and (0.5, 0) and vertex at (-2, -13)
Equation using roots is a(x + 9/2)(x - 1/2) = a(x^2 + 4x - 9/4) = ax^2 + 4ax - 9/4 a . . . . . . . . (1)
Equation using vertex is a(x + 2)^2 - 13 = a(x^2 + 4x + 4) - 13 = ax^2 + 4ax + 4a - 13 . . . . . . . . (2)
From (1) and (2), -9/4 a = 4a - 13
13 = 4a + 9/4 a = 25/4 a
a = (4 x 13)/25 = 2.08 = 2 approx

Therefore required equation is y = 2x^2 + 4(2)x + 4(2) - 13 = 2x^2 + 8x + 8 - 13 = 2x^2 + 8x - 5
6 0
3 years ago
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