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3 years ago

Sin 145° rounded to the nearest hundredth

Mathematics

1 answer:

Alexeev081 [22]3 years ago

7 0

Answer:

0.57

You could use a calculator ya know

Step-by-step explanation:

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Lucas is planting grass on the shaded portions of the yard. What will be the total area covered by grass?

maxonik [38]

Complete Question:

Lucas is planting grass on the shaded portions of the yard. What will be the total area of covered by grass? Fill in the missing.

Part A= 12 x ? = ? ft²

Part B= 0.5 x ? x 9 = ?ft²

Part C= 0.5 x 7 x ? = ?ft²

Total Area= ?ft²

Answer:

$A = 108ft^2$

$B = 27ft^2$

$C = 24.5ft^2$

$Area = 159.50ft^2$

Step-by-step explanation:

Given

See attachment

From the attachment;

Part A is a rectangle with dimension 9ft by 12ft

So,

$A = 12ft * 9ft$

$A = 108ft^2$

Part B is a triangle with dimension: height = 6 and base = 9

The height is calculated as:

$Height = 12ft - 6ft = 6ft$

And the base is:

$Base = 18ft - 9ft = 9ft$

So, the area is:

$B = 0.5 * 6ft * 9ft$

$B = 27ft^2$

Part C is a triangle with dimension: height = 7 and base = 7

So, the area is:

$C = 0.5 * 7 * 7ft^2$

$C = 24.5ft^2$

Total Area is:

$Area = A + B + C$

$Area = 108ft^2 + 27ft^2 + 24.5ft^2$

$Area = 159.50ft^2$

8 0

3 years ago

If m<1 is the supplement of m<2 and the measure of each angle is given:

svp [43]

Answer:

m<1 = 121°

m<2 = 59°

Step-by-step explanation:

If m<1 is the supplement of m<2 and the measure of each angle is given:

m<1=2x+65

m<2=3x-25

Find m<1:

When two angles are supplement of each other, there sum is equal to 180°

i.e m<1 + m<2 = 180°

Putting values and finding angle 1

$2x+65+3x-25=180\\5x+40=180\\5x=180-40\\5x=140\\x=\frac{140}{5}\\x=28$

So, we get x=28

Now finding m<1 by putting x=28

$m$

Now, finding m<2 by putting x=28

$m$

So, we get:

m<1 = 121°

m<2 = 59°

8 0

3 years ago

Rearrange the formula to solve for m<br> A= m (s+2)/t

Alisiya [41]

Answer:5

Step-by-step explanation:

Add 4 and 1

8 0

3 years ago

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When I was 6 my sister was half my age<br><br> Now I'm 70 how old is my sister?

mrs_skeptik [129]

She would be 67...always going to be 3 years younger

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4 years ago

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Need mad help bro, this is so confusing

statuscvo [17]

im doing the same thing but add some numbers sorry bro im failing

3 0

3 years ago