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timurjin [86]
3 years ago
12

whats (negative 8) plus (negative 9) plus (positive 2) plus (negative 7) (adding positive and negative numbers)

Mathematics
2 answers:
sp2606 [1]3 years ago
6 0
-22 because -8+-9 is -17 plus 2 equals -15 plus -7 is -22
VashaNatasha [74]3 years ago
5 0

Answer: -22  


Step-by-step explanation: -8+-9 is -17 plus 2 equals -15 plus -7 is -22



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Hich of the following is an even function? f(x) = (x – 1)2 f(x) = 8x f(x) = x2 – x f(x) = 7
Ede4ka [16]

<u>Answer:</u>

f(x) = 7 is an even function.

<u>Step-by-step explanation:</u>

Any function is even when f(x) = f(-x) and gives a graph that is symmetric with respect to the y-axis.

We are given these options and we have to check whether which of them is an even function:

f(x)= (x-1)^2 = x^2-2x+1

and f(-x) = (-x - 1)^2 = x^2 + 2x + 1 - This function is not even


f(x) = 8x

and f(-x) = -8x - This function is not even


f(x)=x^2-x

and f(-x) = (-x)^2 + x = x² + x - This function is not even


f(x) = 7

and f(-x) = 7 - EVEN FUNCTION

We get the same value for f(x) and f(-x), therefore f(x) = 7 is an even function.

8 0
3 years ago
Read 2 more answers
Tina Has 1800.00 in a bank account that earns 19.3% interest how much interest she will earn in 3months
salantis [7]
1800.00*3 which is 5400 then divide it by 100 so in 3 months she will earn 54%
8 0
4 years ago
Read 2 more answers
StartFraction (negative 7) squared Over (negative 7) Superscript negative 1 EndFraction
Elan Coil [88]

Answer:

-343

Step-by-step explanation:

Given the expression:   \dfrac{(-7)^2}{(-7)^{-1}}

You will notice that the terms in the numerator and denominator have the same base (-7).

This makes it very easy to simplify by applying the division law of indices.

\dfrac{a^x}{a^y} =a^{x-y}

Therefore:

\dfrac{(-7)^2}{(-7)^{-1}}=(-7)^{2-(-1)}\\=(-7)^{2+1}\\=(-7)^3\\=-7 X -7 X -7\\=-343

8 0
3 years ago
Read 2 more answers
If f(x) = |-3x - 61 - 10, find f(5)
german

Answer:

f(5)= -85

Step-by-step explanation:

f(x)= 1-3x-61-10

now,

f(5)= 1-3×5-61-10

=1-15-71

=--85

hope u want this..

3 0
3 years ago
On a map, 1 inch represents 60 miles. The towns of Howell and Edgerton are
kumpel [21]

Answer:

On the map below, 14 inch represents one mile. Candler, Canton, and Oteen are three cities on the map.

Map_problem_figure_aff1d9be1f7b39bb6155b3bcf9b3ddd4

If the distance between the real towns of Candler and Canton is 9 miles, how far apart are Candler and Canton on the map?

If Candler and Oteen are 312 inches apart on the map, what is the actual distance between Candler and Oteen in miles?

Commentary

The purpose of this task is for students to translate between information provided on a map that is drawn to scale and the distance between two cities represented on the map. This task is a very straightforward application of the mathematics described in 7.G.A.1. This task would be appropriate for assessment.

Solutions

Solution: 1

A distance of nine miles means 9 quarter inches on the map. This is

9×14=94

or 214 inches between Candler and Canton on the map.

Map_problem_a_425ac563f0de413ec7618e8fe79c1b90

How many 14 inches are in 312 inches? To find this, we divide:

312÷14=72×41=14

So it is 14 miles between Chandler and Oteen.

Step-by-step explanation:

8 0
3 years ago
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