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Alik [6]
3 years ago
13

PLZZZZZZZZZZZZZ HELP MEE

Mathematics
1 answer:
user100 [1]3 years ago
7 0

Answer:

it's B

Step-by-step explanation:

2/8 = 1/4 = 0.25

1/2=0.5

0.5>0.25

so (1/2)>(1/4)

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Calculate cose to two decimal places.
Monica [59]

Answer:

B. 0.69

Step-by-step explanation:

Law of Cosines: cos A = (b² + c² - a²) / 2bc

cosθ = (7² + 11² - 8²) / 2*7*11 = 106/154 = 0.688 ≈ 0.69

4 0
3 years ago
Find the area of the shaded region.<br> help pls
umka2103 [35]

Answer:

1. 50 m

2. 80 cm

Step-by-step explanation:

1. There are 2 triangles, subtract the area of 1 of them from the other.

The triangle that needs to be subtracted: b = 20 m, h = 10 m

A = 1/2b * h = 1/2(20) * 10 = 10*10 = 100 m

The big triangle, the one that needs to be subtracted plus the one you need to find the area of: b = 20 cm, h = 15 cm, 1/2(20) * 15 = 10 * 15 = 150

150 - 100 = 50 c

2. Divide it into 3 parts:

1- 3*4 = 12

2. 7*(4 + 4) = 7*8 = 56

3. [(4 + 4) * (13 - 7 - 3)]/2 = (8*3)/2 = 24/2 = 12

12 + 56 + 12 = 80 cm

7 0
3 years ago
Find the slope of the following points (-4,2) and (5,6)
Vlad [161]

Answer:

\huge \frac{4}{9}

Step-by-step explanation:

Given points are: (-4,2) and (5,6)

slope =  \frac{6 - 2}{5 - ( - 4)}  =  \frac{4}{5 + 4}  =  \frac{4}{9}  \\

7 0
3 years ago
Jan is cutting a rectangular pan of brownies.She cut them in half and then cut each of those halves in half again.She did the sa
kumpel [21]
I drew a picture!!
.
Maybe you didn't.
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I like to picture things though.
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Ok, a rectangle cut in half. 
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Ok, by definition of "half," just multiply the number of rectangles by 2.
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1 x 2 = 2 after cutting the brownies in half.
.
2 x 2 = 4 after cutting it in half again.
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4 rectangles now!!
.
Doing it the other way... pretend you are starting over from scratch.
.
A new batch of brownies!
.
But still pay attention to what you already cut. 
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Cut down the middle the other direction.
.
What's 4 x 2?
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8.
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Now, finally, we multiply the half of the half brownies.
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What's 8 x 2?
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16.
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16 slices.

7 0
2 years ago
Please find the circumference, will give brainliest!
stich3 [128]

Answer:

43.96

Step-by-step explanation:

7 0
2 years ago
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