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serious [3.7K]
3 years ago
8

Slove proportion 2/43 = j/13

Mathematics
1 answer:
I am Lyosha [343]3 years ago
5 0

Step-by-step explanation:

The easiest way to solve proportions is by cross multiplying.

2/43 = j/13

43j = 26

Now simply divide:

j = 26/43

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Vertical angles<br>If the two angles are vertical angles, what is the value of x?​
neonofarm [45]

Answer:

17

Step-by-step explanation:

Vertically opposite angles are equal

so

7x - 9 = 110

7x = 119

x = 17

4 0
3 years ago
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What is the annual interest rate is 1=$160.67, p=$2000, t=8 months
Sergeeva-Olga [200]
Please use " i " to denote "interest."

the formula for simple interest is i = p r t.

Here, i = $160.67 = $2000 (r) (8/12)


Solving for the interest rate, r = ($169.67)(12/8)/ $2000 = 0.127, or 12.7%
4 0
3 years ago
Please help me with math please
goldfiish [28.3K]

Answer:

no mode

The median and mode are 12

Step-by-step explanation:

The mode is the number that appears most often

Since no number repeats there is no mode

The mean is the average

Add up all the numbers

(12+12+12+12+13+13+15)/7 = 89/7 = 12 5/7

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There are 7 numbers

7/2 = 3.5

The 4th number is the median

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4 0
2 years ago
Simplify x^6+10x^5+25x^4-x^2-10x-25 using synthetic division
Mashutka [201]
Only the dividend is stated. there's no divisor
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3 years ago
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0 Xa The owner of a large electronic store building wants to install air-conditioning. The size of the air condicioner depends o
Softa [21]

The volume of a shape is the amount of space in it.

<em>The volume of the building is </em>180m^3<em />

The given parameters are:

<u>Rectangular prism</u>

<u />Length = 3m; Width = 8m; Height = 5m<u />

<u />

<u>Triangular Prism</u>

<u />Base = 3m; Horizontal\ Height= 8m; Vertical\ Height = 5m<u />

<u />

<u />

The volume of the rectangular prism is:

<u />V_1 = Length \times Width \times Height<u />

<u />V_1 = 3m \times 8m \times 5m<u />

<u />V_1 = 120m^3<u />

<u />

<u />

The volume of the triangular prism is:

<u />V_2 = \frac 12 \times Base \times Horzontal \times Vertical\ Height<u />

<u />V_2 = \frac 12 \times 3m \times 8m \times 5m<u />

<u />V_2 =60m^3<u />

<u />

So, the volume of the building is:

V = V_1 + V_2

V = 120m^3 + 60m^3

V = 180m^3

Hence, the volume of the building is 180m^3

Read more about volumes at:

brainly.com/question/15861918

6 0
3 years ago
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