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malfutka [58]
3 years ago
15

WILL GIVE BRAINLIEST AND 40 POINTS TO CORRECT ANSWER (URGENT)

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
7 0

Answer:

answer:

answe:

answ:

ans:

an:

as:

a:

:

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Five times a number minus eight is 17.5
alina1380 [7]

Answer:3.5

Step-by-step explanation:

5 times 3.5 = 17.5

5 0
3 years ago
Need help asap! Fill in the blank by entering just a number…
daser333 [38]

Answer:

x = 6

Step-by-step explanation:

CT is a median, which means it divided AB into two equal parts so we can write the following equation:

7x + 9 = 5x + 21 transfer like terms to the same side of the equation

7x - 5x = 21 - 9 do the extraction

2x = 12 divide both sides by 2

<u>x = 6</u>

6 0
2 years ago
If f(x)=3x-2 and g(x)=2x+1, find (f+g)(x)
tatiyna

Answer:

D. 5x - 1

Step-by-step explanation:

To solve this, you need to add together f(x) and g(x)

f(x) + g(x) = (3x - 2) + (2x + 1)

3x + 2x = 5x

-2 + 1 = -1

The answer is 5x - 1

8 0
3 years ago
Find a quadratic polynomial the sum and product of whose zeroes are -8 and 12 respectively. Hence find the zeroes.
Olenka [21]

Step-by-step explanation:

We khow the sum and the product of the zeroes of this quadratic polynomial

Here is a trick :

when we khow the sum S and the product P ofvtwo numbers we can find them by solving :

x²-Sx+p=0

here S= -8 and P=12

so:

x²+8x+12=0

Let Δ be the discrminant of this equation: a= 1 , b= 8 and c=12

Δ= 8²-4*12 =16

the zeros are:

(-8-4)/2= -6

(-8+4)/2 = -2

verify:

-6+(-2)= -8

-2*(-6)= 12

now the polynomial quadratic is:

(x+6)(x+2)

7 0
3 years ago
Please help me with this and thank you
Dmitry [639]

Answer:

D, 45


Step-by-step explanation:




6 0
4 years ago
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