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goldenfox [79]
2 years ago
13

Circle groups to show 3x(2x3)

Mathematics
2 answers:
docker41 [41]2 years ago
5 0
2x3=6x3=18 u always do PEMDAS,
saveliy_v [14]2 years ago
3 0

Answer:

This problem is asking for a graphic solution, which is attached.

We just need to make groups, first to express 2x3. we make two groups with three elements each, then, we graph three groups exactly equal.

At the end, we must have three groups and each of them must have two groups with three elements. If we count all elements, we will have 18.

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If f(x)=x2+10sinx, show that there is a number c such that f(c)=1000.
gayaneshka [121]
F(x) is continuous for all x.

Pick a point and show that f(x) is either negative or positive. Pick another point and show that f(x) is negative, if positive, or positive, if negative.

At x = 30, f(30) - 1000 = 900 + 10sin(30) - 1000 ≤ 0
Now, show at another point f(x) - 1000 is positive, and hence, there would be root between 30 and such point.

Let's pick 40.
At x = 40, f(40) - 1000 = 1600 + 10sin(40) - 1000 ≥ 0

Since f(x) - 1000 is continuous, there lies a root between 30 and 40, and hence, 30 ≤ c ≤ 40
7 0
2 years ago
Find a logarithmic equation that relates y and x
Svet_ta [14]
Logarithms are only able to make an equation linear if it is an exponential function.  For example, y= e^{x} can be made linear by taking the natural logarithm of each side, causing it to become ln(y)=ln( e^{x}). After some simplifying, you are left with ln(y)=x. You are then able to plot ln(y) vs. x to get a linear fit. 
4 0
1 year ago
LeAnn wants to giftwrap a present she got for her little brother. How many square inches of giftwrap will be needed to cover a b
Sloan [31]
For this case we must find the surface area of a rectangular prism.
 We have then:
 A = 2 * (w * l) + 2 * (w * h) + 2 * (l * h)

 Where,
 w: width
 l: long
 h: height
 Substituting values we have:
 A = 2 * (4 * 6) + 2 * (4 * 2) + 2 * (6 * 2)

A = 88 in ^ 2
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8 0
2 years ago
A guy wire is used to support flagpoles in windy areas. These wires are anchored in the ground to provide constant stability. Yo
r-ruslan [8.4K]

Answer: a) Length of wire to replace old one=9ft

b) Length of wire=3.09ft

Leftover wire=0.91ft

Step-by-step explanation: from the right angle triangle, Tan&=20/15

&=53.13°

Length of wire,x=cos 31.13=x/15

15cos31.13

X=9

b) Tan&=10/6

Tan^-110/6

&=59.05

Length= 6cos59.04

X=3.09

4-3.09=.91= leftover wire

8 0
1 year ago
A paint shop stocks 1800 liters of paint 24% of the paint is white. The shops sells 18% of the white paint and 7% of the rest of
Anuta_ua [19.1K]

Answer:The amount of paint that was sold altogether is 173.36 litres

Step-by-step explanation:

The total amount of paint that the paint shop stocks is 1800 litres.

24% of the paint is white. It means that the amount of white paint would be

24/100 × 1800 = 0.24 × 1800 = 432 litres.

The amount of the remaining paint other than white would be

1800 - 432 = 1368 litres

The shops sells 18% of the white paint. This means that the amount of white paint sold by the shop will be

18/100 × 432 = 0.18 × 432 = 77.6 litres.

The shops sells 7% of the rest of the paint.

This means that the amount of the rest paint sold by the shop will be

7/100 × 1368 = 0.07 × 1368 = 95.76 litres.

The amount of paint that was sold altogether would be

77.6 + 95.76 = 173.36 litres

5 0
2 years ago
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