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kodGreya [7K]
3 years ago
13

Help please i don’t understand

Mathematics
1 answer:
kherson [118]3 years ago
4 0

Answer:

20/29

Step-by-step explanation:

I hope that this 3 will help you understand easily.

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Could 8.8 cm, 8.0 cm, and 8.8 cm be the side lengths of a triangle?
Alecsey [184]

Answer:

The given side lengths could be the side lengths of a triangle

Step-by-step explanation:

we know that

The <u>Triangle Inequality Theorem</u> states that the sum of any 2 sides of a triangle must be greater than the measure of the third side

so

case A)

(8.8+8)>8.8

(16.8)>8.8 -----> is true

case B)

(8.8+8.8)>8

(17.6)>8 -----> is true

therefore

The given side lengths could be the side lengths of a triangle

8 0
3 years ago
Read 2 more answers
A survey was taken of 44 people to see if they have a cat and/or a dog. The results are shown in the Venn diagram.
Cloud [144]

Have a cat: 17

Don't have a cat: 15

Have a dog: 21

Don't have a dog: 11


For the "have a..." you include the center, but for the "don't have a..." you only count the other side without the center.

6 0
3 years ago
Read 2 more answers
Find the equation of a line parallel to 5x+y=5 that passes through the point (8,-9)
fgiga [73]

Answer:

y+5x=31

Step-by-step explanation:

m=-5( coefficient of x wen y is subject)

y-y1=m(x-x1)

y+9=-5(x-8)

y+9=-5x+40

y+5x=40-9

y+5x=31

7 0
2 years ago
find the lateral area of a triangular prism with a height of 8 centimeters, and with bases having sides that measure 4 cm, 5 cm,
Natalka [10]

Answer:

120 cm²

Step-by-step explanation:

Applying,

A = Ph................... Equation 1

Where A = Literal Area of the triangular prism, P = Perimeter of the base, h = height.

But,

P = a+b+c............... Equation 2

Where a, b, c represent the three sides of the triangular base

Therefore,

A = h(a+b+c)............... Equation 3

From the question,

Given: h = 8 cm, a = 4 cm, b = 5 cm, c = 6 cm

Substitute these values into equation 3

A = 8(4+5+6)

A = 8(15)

A = 120 cm²

7 0
3 years ago
Please help
dem82 [27]

Answer:

Step-by-step explanation:

1) we have to solve the associated equation

-16x^2 + 24x + 16 = 0

-2x^2 + 3x + 2 = 0

2x^2 -3x -2 = 0

Δ = 9 + 16 = 25

x1 = (3 + 5)/4= 2

x2 = (3 - 5)/4 =-1/2

the x intercepts are -1/2 and 2

2) a maximum because the parabola opens downwards (the first term is negative)

V(x) = -b/2a = -24/-32 = 3/4

V(y) = -16(9/16) + 24(3/4) + 16 = -9+18 + 16 = 25

V(3/4,25)

3) for draw a parabola is are necessary the coordinates of the vertex and of two points: one that lies to left of the vertex, and one that lies on the right to the vertex.

So we already have the necessary informations to draw it.

4 0
3 years ago
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