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Olegator [25]
4 years ago
7

Factor this expression 10x²+ x -3​

Mathematics
1 answer:
padilas [110]4 years ago
8 0

Answer:

x1= 1/2

x2=0,6

Step-by-step explanation:

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1/4 simplify to what??
AysviL [449]
1/4 is in lowest terms. Unless you want it as a decimal or percent. Then it is 0.25, or 25%
5 0
4 years ago
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please help with maths work
prisoha [69]

Given:

In a right angle triangle ABC, \angle B=90^\circ,x=8.7\ m, and \theta = 45^\circ

To find:

The value of AC.

Solution:

In a right angle triangle,

\cos \theta =\dfrac{Adjacent}{Hypotenuse}

\cos \theta =\dfrac{BC}{AC}

\cos (45^\circ) =\dfrac{8.7}{AC}

\dfrac{1}{\sqrt{2}}=\dfrac{8.7}{AC}

On cross multiplication, we get

AC=8.7\times \sqrt{2}

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3 0
3 years ago
Find the area of the polygon.
Salsk061 [2.6K]

Answer:

174 ft²

Step-by-step explanation:

The polygon cam be decomposed into two rectangles.

The area of the polygon = rectangle A + rectangle B

Area of rectangle A = L* W

L = 18 ft

W = 9 ft

Area of rectangle A = 18*9 = 162 ft²

Area of rectangle B = L* W

L = 20 - 18 = 2 ft

W = 6 ft

Area of rectangle A = 2*6 = 12 ft²

✔️Area of the polygon = 162 + 12 = 174 ft²

4 0
3 years ago
• Evaluate the expression 16n+4 when n=5<br><br>​
bezimeni [28]

Answer:

84

Step-by-step explanation:

substitute n = 5 into the expression

16n + 4

= 16(5) + 4

= 80 + 4

= 84

4 0
1 year ago
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I am pretty sure I know the answer but I need to be certain. Please answer and give explanation if possible.
creativ13 [48]

Answer:

Vertical opposite angles are the same so the answer is D.

8 0
4 years ago
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