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astraxan [27]
3 years ago
10

Help me pls I do not want to fail math

Mathematics
1 answer:
RSB [31]3 years ago
6 0

Answer:

Step-by-step explanation:

One proportion is 3/12 = 1/0.25

(Double-check to make sure I am correct)

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Find the missing number in this proportion. 6 16 = 30 ?
Slav-nsk [51]
80 because of you cross multiply 6 times x and 30 times 16 you get 480 and 6 divided by 480 is 80

6/16=30/?
6x=480
Divided by 6
?=80
4 0
3 years ago
What is the area of this trapezoid?
dem82 [27]

Answer:

it is c 21 m2

Step-by-step explanation:

My reason is becuase if you multiply 6 and 1 then you 6 and if you multiply 5 and 3 you get 15 so then you add 15 and 6 and then you get 21 means answer is 21 and M2 hope this helps :)

5 0
3 years ago
The figures in the picture are similar to each other find the value of x
alisha [4.7K]

Answer:

x = 7

Step-by-step explanation:

Similar figures have sides that are proportional.  Setting up a proportion for the sides of the figures will help solve for 'x':

\frac{small}{large}=\frac{3}{6}=\frac{(x-3)}{(x+1)}

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Distribute:  3x + 3 = 6x - 18

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Solve for 'x':  x = 7

6 0
3 years ago
Calculating the Measures of Interior Angles of a Triangle
Lubov Fominskaja [6]
Angle B is the linear pairs with 60°, so the size is 180-60=120°

Angle ABC is the linear pair with 120°, so the size is 180-120-60°

Angle A corresponds to angle 60°, so they are equal

Angle BAC is the linear pair with angle A and angle 70°, so 180-(60+70)=50°

Angle ACB is 180-(50+60) = 70°

6 0
3 years ago
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The answer is $14.26
7 0
3 years ago
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