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Fynjy0 [20]
3 years ago
10

Help me please my math didn’t teach me this!

Mathematics
1 answer:
Airida [17]3 years ago
8 0
Sorry I don’t know it right now but I can help you with some thing else
You might be interested in
Help please really needed
Anarel [89]

Answer:

Either :

1/2 10x+1/2 20y+1/2 10z

or

5x+10y+5z

Step-by-step explanation:

You're just multiplying everything by 1/2

7 0
3 years ago
What is the slope and y-intercept of the line whose equation is y + 4x =<br> 8?
rusak2 [61]

Answer:

The slope is -4 and the y-intercept is 8.

Step-by-step explanation:

y+4x=8

y=8-4x

y=-4x+8

y=mx+b where m=slope and b=y-intercept.

6 0
3 years ago
Find angle K of this problem
Sati [7]

m∠K = 55°

Solution:

Given JKLM is a isosceles trapezoid.

Measure of ∠M = (11x – 18)° and Measure of ∠K = (3x + 16)°

In a isosceles trapezoid opposite angles are supplementary.

⇒ m ∠M + m ∠K = 180°

⇒ (11x – 18)° + (3x + 16)° = 180°

⇒ 11x° – 18° + 3x° + 16° = 180°

Combine like terms together.

⇒ 11x° + 3x° + 16° – 18° = 180°

⇒ 14°x – 2° = 180°

⇒ 14°x = 180° + 2°

⇒ 14°x = 182°

⇒ x = 13°

Substitute x = 13° in m ∠K.

⇒ m∠K = 3(13°) + 16°

⇒ m∠K = 39° + 16°

⇒ m∠K = 55°

Hence m∠K = 55°.

7 0
4 years ago
In a normal quadratic function how many<br> times does it cross the x intercept?
marissa [1.9K]

Answer:

Step-by-step explanation:

at the most two,

otherwise 2,1 or 0

5 0
4 years ago
What is the surface area of a cylinder use 3.14 instead of pi button on your calculator the radius two the height is eight.
DiKsa [7]

Answer:

125.60

Step-by-step explanation:

the formula for the area of a cylinder is A=2πRH+2πRsquared. I find it easiest to multiply pi by 2 instead of anything else which is 6.28. Then I multiply the radius (2) times the height (8) equaling 16. Then you multiply that number by 6.28. Equaling 100.48. Then you have to do the second part which is radius (2) squared equaling 4. Then you multiply that by 6.28, equaling 25.12. then you add the two sums (25.12+100.48=125.60).

hope that makes sense!!

5 0
3 years ago
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