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Nady [450]
3 years ago
14

Solve each proportions:

Mathematics
2 answers:
STatiana [176]3 years ago
8 0

Answer:

a= 17.5 r= 6 2/9 b=4 2/7

Step-by-step explanation:

Please give brainliest

Molodets [167]3 years ago
5 0

Answer:

1) 17.5

Step-by-step explanation:

1) 7/2 = a/5. Remember doing the cross multiplication... here is how you do it. 7          a

–    =   —

2         5

cross multiply 7*5=2*a

35=2a divide two each side

a = 17.5

Now, try it on your own for 2 and 3

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6.
Deffense [45]

Tony's dorm is 7.5 miles far from the library.

Step-by-step explanation:

Given points are;

(4,0) and (12,6)

x_1=4,\ \ \ \ \ \ \ y_1=0\\x_2=12,\ \ \ \ \ \ y_2=6

Using point distance formula;

Distance = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Distance=\sqrt{(12-4)^2+(6-0)^2} \\Distance=\sqrt{(8)^2+(6)^2}\\Distance=\sqrt{64+36}\\Distance=\sqrt{100}\\Distance=10\ units

One unit represents 0.75 miles, therefore,

10 units = 0.75*10 = 7.5 miles

Tony's dorm is 7.5 miles far from the library.

Keywords: distance, multiplication

Learn more about multiplication at:

  • brainly.com/question/9969022
  • brainly.com/question/9801816

#LearnwithBrainly

5 0
3 years ago
When two fractions refer to the same whole explain why the fraction with a lesser denominator has larger pieces than the fractio
dexar [7]
Because there are less pieces the whole is split up into. For instance, if you have 1 bag of cookies, you would get more cookies per person if it was split between 2 people than if it was split between 10, because each person gets more of the whole, and there's less people to split up that whole.
since you have an equal amount of pieces from each, the whole that was split into the least pieces, or the number with the smaller denominator will be larger since the pieces will be larger
3 0
3 years ago
After eating at your favorite restaurant,you know that the bill before tax is $52.60 and that the sales tax rate is 8%. You deci
slega [8]
The total bill would be 67.32 because you have to multiply the tax and tip then add them together
3 0
2 years ago
Read 2 more answers
What is 7(x + 3) please help meeeee PLEASE IM RUNNING OUT OF TIME
Gennadij [26K]

Answer:

The answer is 7x+21

5 0
2 years ago
Read 2 more answers
Find the value of x. Round to the nearest tenth.
nordsb [41]

Step-by-step explanation:

here,,

a=3,b=10,C=120°

c^2=a^2+b^2-2ab cos120°

=(3)^2 +(10)^2 _2 (3)(10)(-1/2) [cos120°=-1/2]

=9+100-(-30)

=109+30

=139

c=(139 )1/2=11.79

c=12

3 0
2 years ago
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