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san4es73 [151]
3 years ago
6

ASAP PLZ HELP!!

Mathematics
2 answers:
Dominik [7]3 years ago
4 0

Answer:

A) y² - 5y + 1

B) y² - 5y - 4

C) - 5y + 1

D) - 3y² - 4y - 6

Step-by-step explanation:

Let's call P the unkown polynomial and D the difference. In each case, the following must be true:

y² - 5y + 1 - P = D

<em>A)</em>

y² - 5y + 1 - P = 0

y² - 5y + 1 = P

<em>B)</em>

y² - 5y + 1 - P = 5

y² - 5y + 1 - 5 = P

y² - 5y - 4 = P

<em>C)</em>

y² - 5y + 1 - P = y²

y² - 5y + 1 - y² = P

- 5y + 1 = P

<em>D) </em>

y² - 5y + 1 - P = 4y² - y + 7

y² - 5y + 1 - 4y² + y - 7 = P

- 3y² - 4y - 6 = P

Mekhanik [1.2K]3 years ago
3 0

Answer:

Subtract each term from the polynomial until you find the matching polynomial.

Step-by-step explanation:

Subtracting each answer option below yields the following polynomials:

A) y^2-5y+1-0= y^2-5y+1

B) y^2-5y+1-5 = y^2-5y-4

C) y^2-5y+1-y^2 = -5y+1

D) y^2-5y+1 - (4y^2-y+7) \\y^2 -5y+1-4y^2+y-7\\-3y^2-4y-6

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A cone has a height of 20 centimeters and a volume of 4,710 cubic centimeters. What is the area of the base of the cone?
olchik [2.2K]

Answer:

706.5 cm^2

Step-by-step explanation:

First we need to find the r to find the area of the base which is the circle so we use the volume to find r

V = 1/3πr^2h now adjust the equation for r

r = √3V/πh

r = √3(4710)/20π

r= 15

now that we have r, the base of cone is a circle so we use the area formula for circle

area  = πr²

area = 3.14 (15)^2

area of base = 706.5 cm^2

4 0
2 years ago
Find an equation of the line passing through the pair of points. Write the equation in the form Ax+By = C. (-4,8). (-5, -6)
konstantin123 [22]

Answer:

y2-y1/x2-x1

Step-by-step explanation:

x1= -4        x2= -5

y1= 8          y2= -6

-6-8/-5+4=14

so M = 14

y-y1=m(x-x1)

y-8=14(x+4)

8y=14x+56

rearrange

-14x+8y=56

but you need it in the form of AX+BX=C (THE X SHOULD BE POSITIVE SO CHNAGE ALL THE SIGNS )

14X-8Y=-56

3 0
3 years ago
7 students have 8 books each. Which helps you find the total number of
Firdavs [7]

Answer:

7x8

Step-by-step explanation:

none of those seem right

4 0
1 year ago
Read 2 more answers
HALP PLeAASE i will give brainly ;D
a_sh-v [17]

Answer:

the total amount is £756.

Step-by-step explanation:

given, monthly charge =£16

rate per min of call= £13 per min(150free calls )

rate per texts= £15per text (150 free text)

now, total calls made =170calls

total text = 180 text

now, minimum charge for 150 calls is free

so, left calls = 20 calls

charge for 20 calls= 20×£13

therefore, the charge for 20 calls is £260

now, for text

no. of text = 182-150=32

now, charge for 32 text =£ 15× 32

therefore the charge of 32 text is £ 480.

now, total amount = monthly charge + extra call charge+ extra text charge.

or, total amount = £16+£260+£480

=£756

<em>therefore</em><em>, </em><em> </em><em>the</em><em> </em><em>total</em><em> </em><em>amount</em><em> </em><em>is</em><em> </em><em>£</em><em>7</em><em>5</em><em>6</em><em>.</em>

<em>hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em>

6 0
3 years ago
A steel cargo container is shaped like a cube measuring 5.2 ft on each edge how much steel is needed to make this container? Sho
bearhunter [10]

Answer:

162.24 ft

Step-by-step explanation:

So you first find the area of one side.

5.2 x 5.2 = 27.4

Then you times it by 6, because a cube has 6 sides.

27.4 x 6 = 162.24 ft

6 0
3 years ago
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