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12345 [234]
3 years ago
14

I need help with this

Mathematics
1 answer:
ioda3 years ago
8 0

Answer:

<em>Perimeter of FGH = </em><em>192</em>

Step-by-step explanation:

42 / 28 = 1.5

50 x 1.5 = 75

44 x 1.5 = 66

34 x 1.5 = 51

75 + 66 + 51 = 192

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I have no idea how to solve this, please help with the answer
Ilia_Sergeevich [38]
SAS similarity. the angle degree is the same. if you multiply 14 and 8 by a factor of 7 you get 98 and 56 which means the triangle have the same ratio making them similar. because of this ratio it makes the side similar therefore being a SAS similarity because the angle is between the sides.
3 0
3 years ago
2/5 of the employees have taken a sick day at least once this month whats the percent
vfiekz [6]
Divide 2 by 5: 2/5=.4. Move the decimal two places to the right: .4=40%. The percent is 40% :)
3 0
3 years ago
PLZ HELP WILL GIVE 50 POINTS - QUADRATIC APPLICATIONS
Contact [7]

Answer:

The bird will be at a ground distance of 10.04 units away.

Step-by-step explanation:

Vertex of a quadratic function:

Suppose we have a quadratic function in the following format:

f(x) = ax^{2} + bx + c

It's vertex is the point (x_{v}, y_{v})

In which

x_{v} = -\frac{b}{2a}

y_{v} = -\frac{\Delta}{4a}

Where

\Delta = b^2-4ac

If a<0, the vertex is a maximum point, that is, the maximum value happens at x_{v}, and it's value is y_{v}.

Equation for the height:

The height of the bird after x seconds is given by:

h(x) = -0.114x^2 + 2.29x + 3.5

Which is a quadratic equation with a = -0.114, b = 2.29, c = 3.5.

When the bird is at its highest?

Quadratic equation with a < 0, and thus, at the vertex. The ground distance is the x-value of the vertex. Thus

x_{v} = -\frac{b}{2a} = -\frac{2.29}{2(-0.114)} = 10.04

The bird will be at a ground distance of 10.04 units away.

6 0
3 years ago
In a 3 hour examination of 320 questions, there are 40 mathematics problems. if twice as much time should be allowed for each ma
xeze [42]
<span>Let the total hour of exam is 3hrs ie 180 minutes.( since answer required in minutes). Let as assume maths questions be in x minutes. Let the assume rest of the question is in y minutes. Given that out of 320 qns 40 is maths qns. therefore, maths qn is =40 and rest of qns is 280. Also given the time of maths qns is twice of rest. They related in the following equation. ie x:y=2:1 ; x/y =2/1 ie x=2y therefore 2x+y= 180 min ; ie 2(2y)+y= 180 ; y=36 therefore resolving for x = 2*36 = 72 time spent for maths qn is 2*x = 2* 72 =144min. rest of maths question is 36 min.</span>
6 0
4 years ago
a company charges a shipping fee that is 4.5% of the purchase price for all items it ships .What is the fee to ship an item that
lyudmila [28]

Answer:

<em><u>It will cost $2.52 shipping fee to ship an item that costs $56</u></em>

Step-by-step explanation:

You can get the answer by multiplying 4.5% by $56.

Before you multiply , you need to convert the percent to a decimal which would 0.045.

C = 0.045(56) = 2.52

3 0
3 years ago
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