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Alina [70]
3 years ago
15

SOMEONE HELP FAST!

Mathematics
1 answer:
guapka [62]3 years ago
3 0

Answer:

Step-by-step explanation:

first lets put this in standard form to make it easier

7x^{3} - 5x^{2} - 4x + 10

this form is the standard form (exponents go from greatest to least)

The degree in this polynomial is the highest exponent

So the degree is 3

There are 4 terms in this equation

7x^3

-5x^2

-4x

and 10

hope this helps <3

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Where on a coordinate graph are the first numbers before the dashes located?
Sauron [17]
Basiclly, we look at the 2 points below and find the distance between them, then we match

d=\sqrt{( x_{2} -x_{1} )^{2}+( y_{2}-y_{1} )^{2}}
when finding the distance between points (x1,y1) and (x2,y2)

if the x values, or y values are same, you don't need the distance formula, just use logic

(-10, 2) and (-2, 2)
the y value is the same so find the distance between the x values
from -10 to -2 is 8
8 matches with this one


(-3, -1) and (5, 1)
use distance formula
d=\sqrt{( 5-(-3) )^{2}+( 1-(-1) )^{2}}=√68


(-3, -2) and (1, 3)
input
d=\sqrt{( 1-(-3) )^{2}+(3-(-2))^{2}}=√41

(-3, -5) and (-2, -4)
input
d=\sqrt{( -2-(-3) )^{2}+( -4-(-5) )^{2}}=√2

(0, 0) and (5, 5)
input
d=\sqrt{( 5-0 )^{2}+( 5-0 )^{2}}=√50


(1, 2) and (1, -10)
x values are same so find distance between 2 and -10
answer is 12

(1, 2) and (5, 2)
y values are same
find distance between 1 and 5
answe ris 4


(2, 3) and (10, 9)
input
d=\sqrt{( 10-2 )^{2}+(9-3)^{2}}=10





ANSWERS (because the spacing has gone wierd)                                                           
(-10, 2) and (-2, 2)=8           
(-3, -1) and (5, 1)=√68             
(-3, -2) and (1, 3)=√41                       
(-3, -5) and (-2, -4)=√2             
(0, 0) and (5, 5)=√50             
(1, 2) and (1, -10)=12             
(1, 2) and (5, 2)=4               
(2, 3) and (10, 9)=10 

8 0
3 years ago
2(4x - 8y) - 9x + 7 as a simplifying expression.
Alina [70]

Answer:

2(4x - 8y) - 9x + 7

8x - 16y - 9x + 7

-1x - 16y + 7

6 0
3 years ago
Simplifique as expressões <br> 2-1+2-2+36-1/2<br> (81)3/4+(16)-1/4-1-100
Dovator [93]
- \frac{629}{8}  or  -78.625  or  -78 \frac{5}{8}
4 0
3 years ago
A runner burned 120 calories on a 1.6 km run .how many calories would they burn on a 5km run
sergey [27]

Answer:

375 calories

Step-by-step explanation:

given:

1.6 km ----> burns 120 calories

1 km ----> burns (120 / 1.6) calories

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4 0
3 years ago
A publisher reports that 44% of their readers own a personal computer. A marketing executive wants to test the claim that the pe
UNO [17]

Answer:

P (z) = -1.5094

Step-by-step explanation:

We have to find P-value (that means we have to calculate the test value to evaluate a proportional hypothesis

From problem statement

P₀ = 0,44          44 %  from publisher report

The claim :

350 = n       random sample

P = 0,40            40 %

To calculate  P value

P ( z )  = ( P - P₀ ) / √(P₀*Q₀)/n

then     P ( z ) = - 0.04 / √(0,44)(0,56)/350   P(z) = - 0.04/0,02

P (z) = -1.5094

6 0
3 years ago
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