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Svetlanka [38]
3 years ago
13

Angle 1 = 27° find the measure of angle 4

Mathematics
1 answer:
Vesna [10]3 years ago
3 0

Answer:

27°

because angle 1=27° so 2=27°

4=2 so 4=27° as well

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Triangle ABC has a height of 8 cm and an area of 42cm². <br> Calculate the length of BC.
Tcecarenko [31]

BC must be base

  • Height=8cm
  • Area=42cm^2

We know

\boxed{\sf Area_{(Triangle)}=\dfrac{1}{2} Height\times Base}

\\ \sf\longmapsto 42=\dfrac{1}{2}8BC

\\ \sf\longmapsto 4BC=42

\\ \sf\longmapsto BC=\dfrac{42}{4}

\\ \sf\longmapsto BC=10.5cm

3 0
4 years ago
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What is the sum of 14.34 + 9.7?<br><br> 1.531<br> 15.31<br> 24.04<br> 2.404
oee [108]

Answer:

C also known as 24.04

Step-by-step explanation:

14.34+9.7

=14.34+9.7

=24.04


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3 years ago
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The angle e lies in Quadrant II.<br>sin 0 = 3/4 <br>What is cos O?​
Vilka [71]

Answer:

-√7/4

Step-by-step explanation:

Mathematically;

Sine is the ratio of opposite to hypotenuse

So here, hypotenuse is 4

The opposite is 3

To get the adjacent, we use the Pythagoras’ theorem which states that the square of the hypotenuse is equal the sum of the squares of the two other sides

Let the adjacent be x

4^2 = 3^2 + x^2

x^2 = 16-9

x^2 = 7

x = √7

The cosine is the ratio of the adjacent to the hypotenuse

Since we want to consider quadrant II

Cosine is negative here;

So the answer for Cos will be;

Cos theta = -√7/4

4 0
4 years ago
Helpppppppppp mathhhhhhhhhh
eduard
<span>A)Yes, because the difference is not large enough for such a large sample.</span>
5 0
4 years ago
Gables property Corp is leasing office buildings with an area of 49x^2 + 70x +25
Hoochie [10]

Answer:

Given: Gables property Corp is leasing office buildings with an area of 49x^2 + 70x+25

⇒ Area = 49x^2 + 70x+25

we can write this as:

Area = (7x)^2+2\cdot (7x) \cdot (5) + (5)^2            .....[1]

Use the  identity formula:

(a+b)^2 = a^2+2ab +b^2

then, by using this formula in [1] we have;

Area = (7x+5)^2

or

Area = (7x+5)(7x+5) square units

Area of building = l \times w where l is the length and w is the width respectively;

⇒ l = w = 7x+5 units

Therefore, the possible length and width of the building is;

l = 7x+5 units

w = 7x+5 units

As we know that the Area of a square is equal to side times side . Since each side of a square is the same, it can simply be the length of one side squared.

Therefore, the possible shape of the building is Square.



7 0
3 years ago
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