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Lesechka [4]
3 years ago
13

Can someone tell me everything I need to know before a integer test please

Mathematics
2 answers:
Fantom [35]3 years ago
7 0
Absolute value- the
real number without regard to its sign.

Multiplication- *Negative* x *Negative* = Positive alwayss

Multiplication- *positive* + * Negative* = Negative always (same vise versa)

Division- *Negative* x *Negative* = Positive alwayss

Division - *positive* + * Negative* = Negative always ( same vise versa )

Additon- You do keep change change with this one ( example- -7 + 6 change this too- (-7 - (-6) = -1)
no matter weather its a positive or negative number KEEP THE SIGN OF THE BIGGER NUMBER!

Subtraction- You do keep change change with this one also ( example- 6 - -12 change this too- (6 + (12) = -18)
no matter weather its a positive or negative number KEEP THE SIGN OF THE BIGGER NUMBER!

Hope this helped


SSSSS [86.1K]3 years ago
5 0
Positive and negative numbers and how to add, subtract, multiply, and divide them.
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This figure is made up of two rectangular prisms.
Crazy boy [7]
3•2•7=42•2=84
12•10•7=840
84+840=924in^3
5 0
2 years ago
Read 2 more answers
Help pls, math due tonight :(
Olenka [21]

9514 1404 393

Answer:

  • 40 ft
  • t = 1 second

Step-by-step explanation:

A graphing calculator answers these questions easily.

The ball achieves a maximum height of 40 ft, 1 second after it is thrown.

__

The equation is usefully put into vertex form, as the vertex is the answer to the questions asked.

  h(t) = -16(t^2 -2t) +24

  h(t) = -16(t^2 -2t +1) +24 +16 . . . . . . complete the square

  h(t) = -16(t -1)^2 +40 . . . . . . . . . vertex form

Compare this to the vertex form:

  f(x) = a(x -h)^2 +k . . . . . . vertex (h, k); vertical stretch factor 'a'

We see the vertex of our height equation is ...

  (h, k) = (1, 40)

The ball reaches a maximum height of 40 feet at t = 1 second after it is thrown.

8 0
2 years ago
if a normal distribution has a mean of 154 and a standard deviation of 15, what is the value that has a z-score of 3.6?
MariettaO [177]

Answer:

77 maybe

sorry if I get it wrong

3 0
2 years ago
Read 2 more answers
I need help, please, I'm willing to give 24 points!
Margaret [11]
(1) 2 of one step equations

x - 23 = 8
x - 23 + 23 = 8 + 23
x = 31

n + 2 = 9
n + 2 - 2 = 9 - 2
n = 7

(2) 2 equations with fractions

3/4 (x + 3) = 9
4 [ 3/4 (x + 3) ] = 4[9]
3 (x + 3) = 36
3x + 9 - 9 = 36 - 9
3x/3 = 27/3

1/3 x 3/4
cross multiply
so 3/12 and simplify which makes it
1/4

(3) distributive property

3(2 + 4) = (3 • 2) + (3 • 4)
3(6) = 6 + 12
18 = 18


4 0
2 years ago
Help asap im in a quiz!
goldfiish [28.3K]
The answer should be b
5 0
2 years ago
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