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slava [35]
3 years ago
6

Tom has a large photo he wants to shrink to wallet -sized. Its width is 20 cm and its link is 30 cm. If he wants the width to be

5 cm what should he do?
Mathematics
1 answer:
solniwko [45]3 years ago
8 0
Pretty sure you just scale it down 4 times
(Because 20/4=5cm)
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A road sign is in the shape of a regular heptagon. What is the measure of each angle on the sign? Round to the nearest tenth.
lisabon 2012 [21]
<span><u>Answer </u>
A) 〖128.6〗^o

<u>Explanation </u>
The question requires us to find the interior angle of a regular heptagon.
To do this first calculate the exterior angle of that polygon.
The sum of exterior angles is 360o. A heptagon has 7 sides.
So, one exterior angle = 〖360〗^o/7=〖51.4〗^o
interior angle+exterior angle=〖180〗^o
exterior=180-51.4=〖128.6〗^o
</span>
8 0
3 years ago
Read 2 more answers
I'm really confused on 6-26. How do you find the equation?
exis [7]
I know the B is 2 Sorry I don't know the A
6 0
3 years ago
5. Use the law of Cosines to find each missing sides. Round to the nearest tenth
stellarik [79]

The measure of angle x will be 88 degrees. Then the correct option is C.

The complete question is attached below.

<h3>What is law of cosine?</h3>

Let there is a triangle ABC such that |AB| = a units, |AC| = b units, and |BC| = c units and the internal angle A is of θ degrees, then we have:

2ab cos θ = a² + b² – c²

The triangle is shown below.

Then the value of the variable x will be

2 · 7 · 10 · cos x = 7² + 10² – 12²

       140 · cos x = 49 + 100 – 144

                cos x = (149 – 144) / 140

                       x = 87.95 ≈ 88°

Then the correct option is C.

Learn more about law of cosines here:

brainly.com/question/17289163

#SPJ1

8 0
2 years ago
The perimeter of a rectangle is 180 cm. It's length is 70 cm. But what is the width​
aleksandr82 [10.1K]
20

Formula for perimeter: length x 2 + width x 2

70x2 is 140 then subtract it from 180 and you’ll get 40, then you half it and get 20
8 0
2 years ago
HURRRY!!!!!!!!!!!!!will mark brainPLSS!!!!!!!!!
puteri [66]
A atomic number
B atomic symbol
C atomic name
D atomic mass
5 0
3 years ago
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