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3 years ago

A rectangular garden has an area of 71.44 m2. If the width of the garden is 7.6 m, what is the length in meters?

Mathematics

1 answer:

babymother [125]3 years ago

7 0

Since area= length•width, for this u would have to divide the area by the width to get the length, i hope this helps

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Help on 9 & 10 please!

Mandarinka [93]

Step-by-step explanation:

9. x and z are equal. y+z=90

148-x=180 x+148 are supplementary

-148 -148 Subtract 148 from both sides to isolate x

x=32 degrees

z=32 degrees b/c x and z are equal

y+z=90 y and z are complementary

y+(32)=90 Substitute 32 in for z

-32 -32

y =58 degrees

10. (4x-25)=(2x+7) B/c of the bisection, the two angles are equal.

4x-25 =2x+7 Remove parenthesis

-2x -2x Subtract 2x from both sides

2x-25 = +7

+25 +25 Add 25 to both sides to isolate x

2x = 32

/2 /2 Divide both sides by 2 to isolate x

x = 16

(4(16)-25)+(2(16)+7)=78 degrees Substitute 16 into the equation, this time adding the values instead of setting them equal to get the angle measure requested.

11. (6x-47)+(x+4)=90 Angles that are complementary add up to 90 degrees

7x-43 =90 Add like terms

+43 +43 Add 43 to both sides to isolate x

7x =133

/7 /7 Divide both sides by 7 to isolate x

x =19

((19)+4)=23 degrees Substitute x into the angle measure requested

12. 180=2x-9+x Use the words to help you determine what each value is.

180=3x-9 Add like terms

+9 +9 Add 9 to both sides to isolate x

189=3x

/3 /3 Divide both sides by 3 to isolate x

63=x

2(63)-9=177 degrees Substitute 63 into x to find the requested angle measure.

3 0

3 years ago

Can someone please help me

Marrrta [24]

Based on the knowledge of trigonometric expressions and properties of trigonometric functions, the value of the sine function is equal to - √731 / 30.

<h3>How to find the value of a trigonometric function</h3>

Herein we must make use of trigonometric expressions and properties of trigonometric functions to find the right value. According to trigonometry, both cosine and sine are negative in the third quadrant. Thus, by using the fundamental trigonometric expression (sin² α + cos² α = 1) and substituting all known terms we find that:

$\sin \theta = -\sqrt{1 - \cos^{2}\theta}$

$\sin \theta = - \sqrt{1 - \left(-\frac{13}{30} \right)^{2}}$

sin θ ≈ - √731 / 30

Based on the knowledge of trigonometric expressions and properties of trigonometric functions, the value of the sine function is equal to - √731 / 30.

To learn more on trigonometric functions: brainly.com/question/6904750

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7 0

2 years ago

I need help with this please!

Korolek [52]

Answer:3/8

Step-by-step explanation:

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3 years ago

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Solve z/5 - 6 = 2 2/3