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Kamila [148]
3 years ago
13

Find x and y intercept of y=-2x+9

Mathematics
2 answers:
BaLLatris [955]3 years ago
4 0
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation 

                    <span> y-(-2*x+9)=0 </span>
Citrus2011 [14]3 years ago
3 0
The slope is -2 and the y-intercept is 9

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8. The product of 5, and 3 more than twice a number,<br> is 85. What is the number?
Zolol [24]

Answer:

Step-by-step explanation:

5(2x+3) = 85

10x + 15 = 85

x = (85 - 15)/10

x = 7

6 0
3 years ago
One side of a rhombus is 9 ft. What<br> is its area?
brilliants [131]

Answer:

48

Step-by-step explanation:

just sub in the formula

7 0
3 years ago
HELP PLEASE I NEEED IT
frozen [14]

Answer:

Cylinder A= 603.81

Cylinder B= 603.19

Cylinder A holds more sand than Cylinder B

Step-by-step explanation:

4 0
3 years ago
Plz help will mark brainless if right answer ;)
Pavel [41]

Answer:

A

Step-by-step explanation:

Since each triangle is an equilateral triangle all side are the same length. Thus, one side is 15/3=5 inches. The perimeter of the entire figure would then be 3x6=18 since there are 6 sides.

7 0
3 years ago
Read 2 more answers
Find the surface area of the composite figure. Round to the nearest square centimeter
Goryan [66]

Answer:

Surface area = 726 cm²

None of the options is correct.

Step-by-step explanation:

Surface area of the composite figure = surface area of cone + surface area of cylinder - 2(area of base of cone)

✔️Surface area of cone = πr(r + l)

Where,

Radius (r) = 5 cm

Slant height (l) = √(10² + 5²) (Pythagorean theorem)

Slant height (l) = 11.2 cm

Plug in the values

= π*5(5 + 11.2)

= 254.5 cm²

✔️Surface area of the cylinder = 2πr(h + r)

r = 5 cm

h = 15 cm

Plug in the values into the formula

S.A = 2*π*5(15 + 5)

S.A = 628.3 cm²

✔️area of base of cone = πr²

r = 5 cm

Area = π*5² = 78.5 cm²

✅Surface area of the composite figure = 254.5 + 628.3 - 2(78.5)

= 882.8 - 157

= 726 cm² (nearest square meter)

None of the options is correct.

7 0
3 years ago
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