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Tasya [4]
3 years ago
15

More smart people pls

Mathematics
2 answers:
frez [133]3 years ago
6 0
3rd option im sorry if im incorrect
katrin2010 [14]3 years ago
3 0

Answer:

3) third option

4) second option

You might be interested in
3/5 x 1/5+1/5 x 73/3
insens350 [35]

So,

3/5 x 1/5 = 3/25

3/25 + 1/5 = 8/25

8/25 x 73/3 = 7 59/75

I hope this helps

5 0
4 years ago
Find a polynomial of the form
Sloan [31]

Answer:

f(x)=-\frac{1}{4}x^3-\frac{1}{6}x^2+\frac{65}{12}x-3

Step-by-step explanation:

We are given that

f(x)=ax^3+bx^2+cx+d

f(0)=-3,f(1)=2,f(3)=5 and f(4)=0

We have to find the polynomial

Substitute the value x=0 then ,we get

f(0)=d=-3

Substitute x=1 then we get

a+b+c-3=2

a+b+c=2+3=5

a+b+c=5 (equation I)

Substitute x=3 then we get

a(3)^3+b(3)^2+c(3)-3=5

27a+9b+3c=5+3=8

27a+9b+3c=8  (Equation II)

Substitute x=4 then we get

a(4)^3+b(4)^2+c(4)-3=0

64a+16b+4c=3 (Equation III)

Equation I multiply by 3 then subtract from equation II

24a+6b=-7 (Equation IV)

Equation II multiply by 4 and equation III multiply by 3 and subtract equation II from III

84a+12b=-23 (Equation V)

Equation IV multiply by 2 and then subtract from equation V

36a=-9

a=-\frac{9}{36}

a=-\frac{1}{4}

Substitute the value of a in equation IV then we get

24(-\frac{1}{4})+6b=-7

-6+6b=-7

6b=-7+6=-1

b=-\frac{1}{6}

Substitute the value of b in equation I then we get

-\frac{1}{4}-\frac{1}{6}+ c=5

-\frac{5}{12}+c=5

c=5+\frac{5}{12}=\frac{65}{12}

Substitute the values then we get

f(x)=-\frac{1}{4}x^3-\frac{1}{6}x^2+\frac{65}{12}x-3

5 0
4 years ago
A movie poster is 2 feet wide and 4 feet tall. A frame shop charges $0.10 per foot for a black metal frame. How much would it co
trasher [3.6K]

Answer:

$0.60

Step-by-step explanation:

2 • 4 = 6

6 • 0.10 = 0.60

7 0
3 years ago
Read 2 more answers
A triangle is dilated with the center of dilation at point U. Point E is a vertex of the triangle and point E ′ E' is the corres
Snezhnost [94]

Answer: scale\ factor=5

Step-by-step explanation:

By definition, a Dilation is a transformation in which the image has the same shape as the pre-image but  size changes.

The center of dilation is a fixed point in the plane, and the scale factor is the ratio of the corresponding sides of the image to the pre-image.

Based on the information provided in the exercise, you know that:

UE = 2\ cm\\\\U'E'=10\ cm

Thererefore, you can determine that the scale factor is:

scale\ factor=\frac{10\ cm}{2\ cm}\\\\scale\ factor=5

4 0
4 years ago
Point B has coordinates ​(4,1). The​ x-coordinate of point A is -4. The distance between point A and point B is 10 units. What a
klasskru [66]

Given:

Point B has coordinates ​(4,1).

The​ x-coordinate of point A is -4.

The distance between point A and point B is 10 units.

To find:

The possible coordinates of point​ A.

Solution:

Let the y-coordinate of point A be y. Then the two points are A(-4,y) and B(4,1).

Distance formula:

D=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

The distance between point A and point B is 10 units.

\sqrt{(4-(-4))^2+(1-y)^2}=10

Taking square on both sides, we get

(8)^2+(1-y)^2=100

(1-y)^2=100-64

(1-y)^2=36

Taking square root on both sides, we get

(1-y)=\pm \sqrt{36}

-y=\pm 6-1

y=1\mp 6

y=1-6 and y=1+6

y=-5 and y=7

Therefore, the possible coordinates of point​ A are either (-4,-5) or (-4,7).

7 0
3 years ago
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