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3 years ago

HELP ASAP, i don't get this

Mathematics

1 answer:

koban [17]3 years ago

4 0

I think they want you to write out Pythagorean’s theorem since it’s a right triangle and the formula is c^2=a^+b^2. So the first box would be 8 (so the c) and 5 would be the next box (so the a). You can sketch the right triangle and see that the length 8 is the hypotenuse and 5 is one of the lengths.

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the graph of a quadratic function f passes through the origin and the maximum value of f is 5 when x=4 find f

Hitman42 [59]

Answer:(-5/16)x^2 +(5/2)x

Step-by-step explanation:

7 0

2 years ago

The sum of three numbers is 72

LekaFEV [45]

Answer: The first number is 8

Step-by-step explanation: Let the three No. s be x, y and z respectively

given = x+ y+ z= 72

y=7x

z=7x-18

∴As we know x+ y+ z=72

i.e. x+7x+7x-18=72

15x=72+18=90

15x=90

x=90/15

∴x=8

∴y=7x

7×8=56

∴z=7x-18

56-18=38

∴The first no. is x=8

The second no. is y=7x = 56

The third no. is z=7x-18 = 38

6 0

3 years ago

Read 2 more answers

The graph of a line and and exponential intersect twice, once, or not at all. Describe the possible number of intersections of e

avanturin [10]

a) A line can intersect a parabola at 2 points, 1 point, or no points respectively. The only possible way at which it intersects at 1 point, would be if it were tangent to the parabola. [Check first attachment]

b) Two different parabolas can intersect at 2 points, 1 point or no points respectively. [Check second attachment]

It is possible for 2 parabolas to intersect at 4 and even 3 points. But one of the parabolas would be on it's side. You can consider those cases.

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2 years ago

Will mark the brainiest

kirza4 [7]

Answer:

832

Step-by-step explanation:

When rounding to the nearest hundreth, any number with a tens digit under 5 will round down.

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3 years ago

Geometry problem! Help!

faltersainse [42]

Area of the circle = πr² = π (9)² = 81π

$\text {Area of the sector = } \dfrac{120}{360} \times 81 \pi$

$\text {Area of the sector = } \dfrac{1}{3} \times 81 \pi$

$\text {Area of the sector = } = 27 \pi \text { yd}^2$

6 0

3 years ago