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Ghella [55]
3 years ago
7

2+2 ................

Mathematics
2 answers:
Nataliya [291]3 years ago
7 0

Answer:

4

Step-by-step explanation:

ok so think two cookies, and ur mom gives you TWO MORE. so now you have FOUR

FOUR COOKIES

GOT IT???

lutik1710 [3]3 years ago
6 0
2+2 = 4. Bro it was so hard. Did i helped you?
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An object is thrown straight up from the top of a 100-foot platform at a velocity of 48 feet per second. The height h(t) of the
julsineya [31]

Answer:

  • The maximum height is 136 ft
  • The time it takes to achieve this height is 1.5 s.

Explanation:

<u>1. Function for the height (given):</u>

    h(t)=-16t^2+48t+100

<u />

<u>2. Type of function</u>

That is a quadatic function, whose graph is a parabola that opens downward.

The maximum of the function, i.e. the maximum height, is the vertex of the parabola.

The vertex of a parabola with the genral equation   y=ax^2+bx+c  is at the x-coordinate

                       x=-b/(2a)

<u>3. Time to achieve the maximum height</u>

Substitute b with 48 and a with - 16:

        t=-48/(2(-16))=48/32=3/2=1.5

Then, time when the object achieves the maximum height it 1.5s

<u />

<u>4. Maximum height:</u>

Replace t with 1.5 in the equation, to find the maximum height, h(1.5)

     h(1.5)=-16(1.5)^2+48(1.5)+100=136

Then, the maximum height is 136 ft

3 0
3 years ago
What is x? 2x+4x+6x-2(x+3)=34
stellarik [79]

Answer:

x = 4

Step-by-step explanation:

Firstly we have to distribute: 2x + 4x + 6x -2x - 6 = 34

Collect like terms: 10x - 6 = 34

We have to isolate x to get it's value: Add 6 to both sides

10x = 40

Divide both sided by 10: x = 4

7 0
3 years ago
Read 2 more answers
-4+5|4x-4|=21 solve for x
grin007 [14]

Answer:

Step-by-step explanation:

hello :

-4+5|4x-4|=21

add 4 : 5|4x-4| = 25

divid by 5 :  |4x-4| = 5  means : 4x-4 = 5   or 4x-4 = -  5  

4x=9 or 4x =-1

x= 9/4 or x = - 1/4

5 0
2 years ago
Susan purchased n notebooks. They were 4 dollars each. Write an equation to represent the total cost c that Susan paid
Monica [59]
N4=c

n times 4, n being a number of notebooks, would equal c, or the overall cost.
4 0
2 years ago
The length of the diagonal of a rectangle is 140−−−√ inches.
andrew11 [14]

Answer:

answer is second one

Step-by-step explanation:

The length is between 11 and 12 inches.

√140 = 11.83 inches

5 0
2 years ago
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