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4 years ago

10

What is the area of this rectangle in square centimeters?

1 answer:

liq [111]4 years ago

7 0

Area of a rectangle=base x height

Data:
base=4 m=4 m (100 cm/1m)=400 cm
height=9 m=9 m(100 cm/1m)=900 cm

Area of this rectangle=400 cm x 900 cm=360000 cm²

answer: A) 360,000 cm²

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Can Someone help me

mrs_skeptik [129]

Answer:

1. congruent

2. congruent

3. not congruent

4. not congruent

5. congruent

6. congruent

7. congruent

8. congruent

9. congruent

Step-by-step explanation:

4 0

3 years ago

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Solve for x<br><br> sin(x-20) = cos(x)

tatuchka [14]

Answer:

$x=\frac{6480^{\circ \:}n+1980^{\circ \:}}{36}$

$x=\frac{36\pi n+11\pi }{36}$

Step-by-step explanation:

We can use the identity: $\cos \left(x\right)=\sin \left(90^{\circ \:}-x\right)$ to simplify this into: $\sin \left(x-20^{\circ \:}\right)=\sin \left(90^{\circ \:}-x\right)$

The identity sin(x) = sin(y) --> $x=y+2\pi n,\:x=\pi -y+2\pi n$ , can be used to simplify this further:

$x-20^{\circ \:}=90^{\circ \:}-x+360^{\circ \:}n$ (Add 20 to both sides)

$x=-x+360^{\circ \:}n+110^{\circ \:}$ (Add x to both sides)

$2x=360^{\circ \:}n+110^{\circ \:}$ (Divide both sides by 2)

$\frac{2x}{2}=\frac{360^{\circ \:}n}{2}+\frac{110^{\circ \:}}{2}$ (Simplify)

$x=\frac{6480^{\circ \:}n+1980^{\circ \:}}{36}$ If required, we can convert this into radians:

$x=\frac{36\pi n+11\pi }{36}$

7 0

3 years ago

2 hours 17 minutes 2 hours 48 minutes 1 hour 53 minutes 2 hours 19 minutes 1 hour 38 minutes what it the team's score

Alexxx [7]

Answer:

8 hours and 175 minutes.

Step-by-step explanation:

So first add all the hours together: 2 + 2 + 1 + 2 + 1 = 8 Hours.

Then add all the minutes together: 17 + 48 + 53 + 19 + 38 = 175 Minutes.

Therefore, the team's score is 8 hours and 175 minutes.

I hope this helped!

5 0

3 years ago

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Help please help I’ll give brainliest

Fed [463]

Answer:

108

Step-by-step explanation:

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3 years ago

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I WILL AWARD BRAINLIEST!! PLEASE HELP,!!

katen-ka-za [31]

Answer:

B. 70°

Step-by-step explanation:

If this is an equilateral triangle, then each angle is 180/3 = 60

<A = 60 = x+3x+2x

60 = 6x

60/6 = 6x/6

10 =x

Angle B will also equal 60 degrees

BDA + x + B = 180

BDA + 10 + 60 = 180

BDA + 70 = 180

BDA = 180-70

BDA = 110

BDA and y are complementary angles since they form a straight line

BDA + y = 180

110 +y =1 80

y = 180-110

y = 70

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4 years ago