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telo118 [61]
3 years ago
11

Someone please help me!!! ASAP

Mathematics
2 answers:
inn [45]3 years ago
6 0
102 3/5 steps


The bridge is 307 4/5 m long
Her steps are 3/10 m long
Divide the length of the bridge by the length of her steps

First change the 307 4/5 to 8/10 so we have a common denominator
(307 8/10)/(3/10)
Next change 307 8/10 to an improper fraction
Multiply the whole number by the denominator than add the numerator
(3078/10)/(3/10)=1,026/10
Now divide the numerator by the denominator
1,026/10=102 6/10
Which simplifies to 102 3/5
melamori03 [73]3 years ago
6 0
102 3/5 is how many steps
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Will give Brainly please help
s2008m [1.1K]

Answer:

B. 95º

Step-by-step explanation:

Supplementary angles are ones that add up to 180º.

So if angle 1 is 85º, then the equation would be:

(x-the measure of angle 2)

X + 85 = 180

Solve for x:

X + (85-85) = 180-85

X = 95.

Hope this helps! Have a great day!

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3 years ago
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Answer:

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2 years ago
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I need help on this.
SpyIntel [72]

Answer:

a) answered in the image attached

b) y=2.75x+3.50

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4 0
2 years ago
Find the area and perimeter of an isosceles trapezoid with legs 25cm and bases 16cm and 30cm
Varvara68 [4.7K]
<u>A=1/2h(b1+b2)</u>
= 1/2(h)(30+16)
<em>>how to find h<</em>
<em>>30-16= 14/2 = 7<</em>
<em>>25²-7² = 625-49 = 576<</em>
<em>>√576 = 24 .. h=24<</em>
= 1/2(24)(30+16)
= 12(46)
A = 552 cm²
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= 30+16+25+25
P = 96 cm
4 0
3 years ago
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Find the surface area of the pyramid. The side lengths of the base are equal.
ANTONII [103]

Answer:

195.6

Step-by-step explanation:

area of base= 1/2 * 8 * 6.9 = 27.6

area of lateral face= 1/2 * 8 * 14 = 56

total surface area = 27.6 + 56 + 56 + 56 = 195.6

7 0
3 years ago
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