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Annette [7]
2 years ago
7

Can someone help me? - will mark as best brain if you help me out (//^.^//)

Mathematics
2 answers:
Maslowich2 years ago
6 0
Here and plsss mark me as a brainliest

wariber [46]2 years ago
3 0

Answer:

1- Circumference: 43.96 Area: 153.86

2- Circumference: 69.08  Area: 379.94

3- Circumference: 40.82  Area: 132.67

4- Circumference: 28.26 Area: 63.59

5- Circumference: 57.78 Area: 265.77

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A carpenter is building a rectangular bookcase with diagonal braces across the back, as shown. The carpenter knows that angle AD
Vaselesa [24]

1. ∠ADC is right angle, then m\angle ADC=90^{\circ}.

2. Angles ADB and BDC are complementary, then

m\angle ADB+m\angle BDC=m\angle ADC=90^{\circ}.

3. You know that ∠BDC is 32° greater than ∠ ADB. Let m\angle ADB=x, then m\angle BDC=x+32^{\circ}.

Since m\angle ADB+m\angle BDC=90^{\circ}, you have that

x+x+32^{\circ}=90^{\circ},\\ \\2x=90^{\circ}-32^{\circ},\\ \\2x=58^{\circ},\\ \\x=29^{\circ}.

This gives you:

  • m\angle ADB=29^{\circ};
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3 0
3 years ago
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I need help answering this
Crazy boy [7]

Answer: 22 1/2, or 22.5


Step-by-step explanation:

1/4c + 3d

1/4(6) + 3(7)

6/4 + 21

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22 1/2, or 22.5

3 0
3 years ago
On a very cold morning, it was -8°F. As the day went on, the temperature rose 2 degrees each hour. Which equation shows the temp
bekas [8.4K]

It would be -8 + 2x

There you go.

4 0
4 years ago
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The perimeter of a rectangle is 40 inches. If the width of the rectangle is 6 inches, what is the length?
Assoli18 [71]

Perimeter of a rectangle = 2(l + w)

l = length.

w = width

In this problem,

Perimeter = 40

w = 6

l = ?

Plug our numbers in.

40 = 2(l + 6).

Divide each side by 2.

20 = l + 6.

Subtract 6 from both sides.

14 = l

The length is 14 inches

6 0
3 years ago
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topjm [15]

Answer:

B) {(−2, −3), (−3, −2), (2, 3), (3, 2)}

Step-by-step explanation:

For a relation to be a function, every x value must have only one y value.  For a, c, and d, some of the x values have multiple different y values

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3 years ago
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