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Ket [755]
4 years ago
6

The sum of the measures of angle 4,7, and _____ is equal to 180

Mathematics
1 answer:
8_murik_8 [283]4 years ago
6 0
7 I think because if you would put a zero behind the 4 and 7 and add them together it will be 110 and all that's left if u subtract them from 180 is 70 (7)
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SOMEONE ANSWER THIS ASAP PLEASEEEE!!!
Charra [1.4K]

M is the midpoint of AC.

So, MA = MC

M is the midpoint of BD.

So, MB = MD

Also, since the midpoints of AC and BD coincide,

AC bisects BD and BD bisects AC.

Hence, our conjecture is MA = MB = MC = MD.

3 0
4 years ago
While conducting an inventory in their bicycle shop, the owner noticed the number of bicycles is 2 fewer than 10 times the numbe
mr Goodwill [35]

Answer:

The number of bicycles in the store is 178\ bicycles

Step-by-step explanation:

Let

x------> the number of bicycles

y-----> the number of tricycles

we know that

The bicycles has two wheels and the tricycles has three wheels

so

2x+3y=410 ------> equation A

x=10y-2 ------> equation B

substitute equation B in equation A and solve for y

2(10y-2)+3y=410

20y-4+3y=410

23y=414

y=18\ tricycles

Find the value of x

x=10(18)-2=178\ bicycles

3 0
3 years ago
Read 2 more answers
A bag contains 10 red marbles, 15 yellow marbles, 5 green marbles, and 20 blue marbles. Five marbles are drawn from the bag. wha
Charra [1.4K]
To determine the probability that exactly two of the five marbles are blue, we will use the rule of multiplication. 

Let event A = the event that the first marble drawn is blue; and let B = the event that the second marble drawn is blue. 
To start, it is given that there are 50 marbles, 20 of them are blue.  Therefore, P(A) = 20/50
After the first selection, there are 49 marbles left, 19 of them are blue. Therefore, P(A|B) = 19/49
Based on the rule of multiplication:P(A ∩ B) = P(A)*P(A|B)P(A ∩ B) =  (20/50) (19/49)P(A ∩ B) = 380/2450P(A ∩ B) = 38/245 or 15.51%

The probability that there will be two blue marbles among the five drawn marbles is 38/245 or 15.51%

We got the 15.51% by dividing 38 by 245. The quotient will be 0.1551. We then multiplied it by 100% resulting to 15.51%
7 0
3 years ago
Transform the equation y-2=3(x+1) into standard form.
Anna35 [415]

ANSWER:

The 1st one: -3x + y = 5

ABOUT STANDARD FORM:

  • Ax + By = C
  • A & B & C are integers
  • A & B are both non - zero
  • This form is good to use when wanting to find the x & y intercepts of a line

y - 2 = 3(x + 1)  --- IN POINT SLOPE FORM

y - 2 = 3x + 3

 + 2         + 2

y = 3x + 5 --- IN SLOPE INTERCEPT FORM

-3x  -3x

-3x + y = 5  --- STANDARD FORM


Hope this helps you!!! :)



5 0
4 years ago
What is the SURFACE AREA of the pyramid?
Tamiku [17]

Answer:

85in²

Step-by-step explanation:

s = side

triangle: ((b x h) ÷ 2) x 4

((5 x 6) ÷ 2) x 4 = 60in

square: s2(squared not 2)

5² = 25

total sa: 25 + 60 = 85in²

5 0
3 years ago
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