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Pani-rosa [81]
3 years ago
11

Calculate sum5.3 +(-7.45) =

Mathematics
1 answer:
dsp733 years ago
6 0

Answer: -43/20

Step-by-step explanation: you just need a college calculator to solve ,you need to just plug the numbers and it will do it for you.

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THE amusement park won't allow kids to ride roller-coasters until they are a minimum of 48 inches tall. Michael is now 42 inches
saveliy_v [14]

Answer: It will one year (or 12 months) before Michael is able to ride the roller coaster.

Step-by-step explanation: Because he grows a half inch every month, this means that It takes him two months to grow one full inch. Because he has to grow six inches, you just multiply 2 by 6 to get 12 months or one year.

7 0
2 years ago
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Find the function value.
MArishka [77]
Hey!! here is your answer --


1) tan30° = √3/3

2) cot30° = √3

3) sec30° = (2√3)/3

★ hope you like it ★

---
6 0
3 years ago
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Line segments A prime B prime and A B. The distance from the center of dilation P to A prime is 3. The distance from P to A is 5
OverLord2011 [107]
The answer is P to A prime is 3 I think

Good luck!
8 0
2 years ago
–3 = –2x2 + 2x
wel

Answer:

Determine the next step for solving the quadratic equation by completing the square.

0 = –2x2 + 2x + 3

–3 = –2x2 + 2x

–3 = –2(x2 – x)

–3 + = –2(x2 – x + )

StartFraction negative 7 Over 2 EndFraction = –2(x – StartFraction 1 Over 2 EndFraction)2

StartFraction 7 Over 4 EndFraction = (x – StartFraction 1 Over 2 EndFraction)2

The two solutions are Plus or minus StartFraction StartRoot 7 EndRoot Over 2 EndFraction

-7/2 = -2(x - ½)²

Step-by-step explanation:

0 = –2x^2 + 2x + 3

Subtract 3 from each side

-3 = –2x^2 + 2x

Factor out the -2

-3 =- 2(x^2 -x)

Take the coefficient of x and divide by 2 and square it

-1 /2 = -1/2 ^2 = 1/4

Add it to each side  Remember the -2 on the outside so we need to multiply it by -2  

-2 *1/4 =  -1/2

-3 -1/2= -2(x^2 -x +1/4)

-7/2 = -2(x^2 -x +1/4)

-7/2 = -2(x-1/2)^2

7/2 = -2(x - ½)²

4 0
2 years ago
Read 2 more answers
HELP
pentagon [3]

Answer:

First graph

Step-by-step explanation:

First off, the graph opens up because <em>a</em><em> </em>is positive. Second, the parent function of the quadratic graph is \displaystyle y = x^2,and the greater the WHOLE NUMBERS [vertical stretch (<em>a</em>)] get, the slimmer the parabola gets, and the more you increase the DEGREE evenly [anything ending in 0, 2, 4, 6, and\or 8], the more flat, U-shaped the parabola becomes.

I am joyous to assist you anytime.

5 0
3 years ago
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