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Virty [35]
3 years ago
15

I need help with math!!! time is running out!!! will mark brainliest!!!

Mathematics
2 answers:
Alexus [3.1K]3 years ago
5 0
1.

Answer B.

2.

Answer B.

3.

Answer B.

4.

Answer B.

5.

Answer B.
umka2103 [35]3 years ago
3 0
1.C

2.A

3.C

4.D

5.B

I hope I helped!
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What shape will result when you make a vertical cross section through the picture below?
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Answer:

rectangle

Step-by-step explanation:

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Identify the dependent variable in this situation:
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Amount of data you use is the dependent variable because it depends on how much you will pay
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On Monday, 187 students went on a feldtrip to the zoo.All 4 busses were filled and 7 dtudents in a van.How many student were in
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Step-by-step explanation:

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Read 2 more answers
The perimeter of a triangle is 170 feet and the sides are in the ratio of 25:14:12. Find the area of the triangle.
Viktor [21]
Let
x,y, and z the long sides of the triangle 

we know that

x+y+z=170 ft------> equation 1
x/y=25/14----> y=14x/25------> equation 2
y/z=14/12-----> equation 3
x/z=25/12----> z=12x/25------> equation 4

substitute equation 2 and equation 4 in equation 1
x+[14x/25]+[12x/25]=170------> multiply by 25 both sides
25x+14x+12x=4250
51x=4250
x=4250/51
x=250/3
y=14x/25------> y=(250/3)*(14/25)----> y=140/3
z=12y/14-----> (140/3)*12/14----> z=40

Using Heron's formula,
Area of the triangle = √s (s-a) (s-b) (s-c)
where s is the semiperimeter
s=170/2-----> s=85 ft
Area=√85*[85-250/3]*[85-140/3]*[85-40]
Area=9.22*[1.67]*[38.33]*[45]------> Area=26558.21 ft²

the answer is
26558.21 ft²
6 0
3 years ago
Translate this sentence into an equation. The product of Mabel's score and 6 is 90 . Use the variable m to represent Mabel's sco
Jobisdone [24]

product is the answer to a multiplication problem mx6=90

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3 years ago
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