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UkoKoshka [18]
3 years ago
8

Insert parentheses in the expression 6 + 10 x 2 so that the expression equals (12+1)*2

Mathematics
1 answer:
Lesechka [4]3 years ago
5 0
6 + (10 x 2) = 26 = (12+1)*2
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528 44 quarts per hour so just add 220+220+44+44 and that's going to =528
8 0
3 years ago
a man 1.30 m tall is on a top of a building. he observed a car on the road at an angle of 60 degrees if the building is 30 m hig
romanna [79]

Given :

A man 1.30 m tall is on a top of a building. He observed a car on the road at an angle of 60 degrees if the building is 30 m high.

To Find :

How far is the car from the building.

Solution :

Let, distance between car and the building is x m.

So,

tan \ \theta = \dfrac{height\ of\ building + height\ of\  man}{distance \ between \ car \  and \ building}\\\\tan \ 60^o = \dfrac{30+1.3}{x}\\\\x = \dfrac{31.3}{1.73}\ m\\\\x = 18.09\ m

Hence, this is the required solution.

7 0
3 years ago
The graph shows the solution to which system of inequalities
Anarel [89]

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Step-by-step explanation:Hope this is correct

3 0
2 years ago
Which of the following is equal to sqrt25x^7y^4?
Ne4ueva [31]
\sqrt{25x^7y^4}=5x^3y^2\sqrt x
3 0
3 years ago
Write the equation of the circle graphed below
Serjik [45]

<u>Given</u>:

Given that the circle is graphed with center (-1,1)

We need to determine the equation of the circle.

<u>Radius</u>:

To determine the radius of the circle, let us simply count the number of units between the center point to any point on the circle.

Hence, from the figure, it is obvious that there are 5 units between the center and any point on the circle.

Thus, radius of the circle is 5 units.

<u>Equation of the circle:</u>

The standard form for the equation of the circle is given by

(x-h)^{2}+(y-k)^{2}=r^{2}

where the center is (h,k) and radius is r.

Substituting the center (-1,1) and r = 5 in the above formula, we get;

(x+1)^{2}+(y-1)^{2}=5^{2}

(x+1)^{2}+(y-1)^{2}=25

Thus, the equation of the circle is (x+1)^{2}+(y-1)^{2}=25

7 0
3 years ago
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