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2 years ago

Help with this pls HELPP PLSS ITS A QUIZZZ THE BOTTOM NUMBERS ARE 1-7

Mathematics

2 answers:

Doss [256]2 years ago

5 0

For number 5 the slope is 2

AlladinOne [14]2 years ago

4 0

Answer:

4: 17

i can't see number 5

Step-by-step explanation:

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Write and simplify an expression to represent the perimeter of the triangle shown. Then find the value of x if the perimeter is

Pavlova-9 [17]

Answer:

Step-by-step explanation:

x +4+2x+1+3x-2 = perimeter of triangle.

(6x +3)ft = perimeter

given perimeter = 45feet

hence,

6x + 3 = 45

6x = 42

x = 7

Hope it helped!! plz mark brainliest!! have a good day !! :)

7 0

2 years ago

Check the picture of the necessary information

denis-greek [22]

The probability would be out of 100,
in this case if it refers to the data from 2009 it would be 39:61

4 0

1 year ago

What is the area of this triangle ?

oee [108]

Answer:

Area of triangle is 9.88 units^2

Step-by-step explanation:

We need to find the area of triangle

Given E(5,1), F(0,4), D(0,8)

We will use formula:

$Area\,\,of\,\,triangle =\sqrt{s(s-a)(s-b)s-c)} \\where\,\, s = \frac{a+b+c}{2}$

We need to find the lengths of side DE, EF and FD

Length of side DE = a = $\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}$

Length of side DE = a = $=\sqrt{(5-0)^2+(1-8)^2}\\=\sqrt{(5)^2+(-7)^2}\\=\sqrt{25+49}\\=\sqrt{74}\\=8.60$

Length of side EF = b = $\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}$

Length of side EF = b = $=\sqrt{(0-5)^2+(4-1)^2}\\=\sqrt{(-5)^2+(3)^2}\\=\sqrt{25+9}\\=\sqrt{34}\\=5.8$

Length of side FD = c = $\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}$

Length of side FD = c = $=\sqrt{(0-0)^2+(8-4)^2}\\=\sqrt{(0)^2+(4)^2}\\=\sqrt{0+16}\\=\sqrt{16}\\=4$

so, a= 8.60, b= 5.8 and c = 4

s = a+b+c/2

s= 8.6+5.8+4/2

s= 9.2

Area of triangle= $=\sqrt{s(s-a)(s-b)s-c)}\\=\sqrt{9.2(9.2-8.6)(9.2-5.8)(9.2-4)}\\=\sqrt{9.2(0.6)(3.4)(5.2)}\\=\sqrt{97.5936}\\=9.88$

So, area of triangle is 9.88 units^2

4 0

3 years ago

For the function y=3x^2-12x+4 , what’s the mirroring point for the y-intercept? (x,y) form please

Slav-nsk [51]

Answer:

the you run y=3

Step-by-step explanation:

4 0

2 years ago

Can someone please help

kicyunya [14]

Answer:

hardd sorry

Step-by-step explanation:>..

7 0

2 years ago