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Alinara [238K]
2 years ago
7

Please help!!! I will give Brainliest!!!! :_D Write an equation for each situation!

Mathematics
1 answer:
dolphi86 [110]2 years ago
3 0

Just remember that 100% = 1.00 !

y = .78x

y = 108.5x

y = .946x

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Unit 6.6, Lesson 9: Practice Problems
7nadin3 [17]

Answer:

the answer is 798 + 789 mawdgghhji the same time as the work of the Maroons

8 0
1 year ago
Ted needs an average of at least 70 on his three history test he has scored already 85 and 60 on two test what is the minimum gr
PilotLPTM [1.2K]
So average=(total of scores)/(number of tests)
needs at least average of 70
at least is represented as greater than or equal to or the sign (<u>></u>)
70<u>></u>(total)/(number oftests)

since we have 3 tests, we have to have 3 scores so
70<u>></u>(x+y+z)/3
he scored 85 and 60
70<u>></u>(x+85+60)/3 (doesn't matter which to subsitute)
70<u>></u>(x+145)/3
multiply obht sides by 3
210<u>></u>x+145
subtract 145 from both sides
65<u>></u>x
he needs to get at leas 65 on his third test





4 0
3 years ago
If you shift the quadratic parent function, f(x)=x2 , right 10 units, what is the equation of the new function?
tiny-mole [99]

Answer:

Step-by-step explanation:

The standard form of a quadratic is

y=a(x-h)^2+k where h is side to side movement (it's also the x coordinate of the vertex) and k is the up or down movement (it's also the y coordinate of the vertex). If there is no up or down movement, the k value is 0. (We don't need to worry about the value for a here; it's 1 but that doesn't change anything for us in our problem). Movement to the right is positive, so we are moving +10. Filling that into our equation:

y=(x-(+10))^2 and simplified:

y=(x-10)^2  That is the parent graph shifted 10 units to the right.

8 0
2 years ago
Please help, i will mark you brainiest, thank you!!
SVETLANKA909090 [29]

Answer:

14 yd

Step-by-step explanation:

The cross section is a triangle with a height of 19 and a base of x

Area of a triangle = bh/2

133 = 19x/2

266 = 19x

x = 14

3 0
3 years ago
Two brothers are saving money to buy tickets to a concert. their combined saving is $55 one brother has $15 more than the other.
Vladimir [108]

Brother one: x

Brother two: x + 15

---

Make them add up to 55 in an equation.

x + (x + 15) = 55

Combine like terms.

2x + 15 = 55

Subtract 15 from both sides.

2x = 40

Divide both sides by 2.

x = 20

Plug 20 for x into brother two.

(20) + 15 = 35

Brother one has saved $20, brother two has saved $35.

6 0
3 years ago
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