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frez [133]
3 years ago
15

Which number correctly completes the equation?

Mathematics
2 answers:
Kobotan [32]3 years ago
7 0

Answer:

B

Step-by-step explanation:

Just factor it:

5(42 - 12) = 5(30)

lozanna [386]3 years ago
5 0

Answer:

B

Step-by-step explanation:

Given

5(42) - 5(12) ← factor out 5 from each term

= 5(42 - 12)

= 5(30)

Thus 30 completes the equation

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Three points that are not collinear determine three lines. How many lines are determined by nine points, no three of which are c
Drupady [299]

Answer:

Use the method for solving Bernoulli equations to solve the following differential equation.

StartFraction dy Over dx EndFraction plus StartFraction y Over x minus 9 EndFraction equals 5 (x minus 9 )y Superscript one half

Step-by-step explanation:

Use the method for solving Bernoulli equations to solve the following differential equation.

StartFraction dy Over dx EndFraction plus StartFraction y Over x minus 9 EndFraction equals 5 (x minus 9 )y Superscript one half

4 0
4 years ago
4294 divided by 68
Nataly_w [17]

Answer:

1. 63.1. 2.22.5 3. 74.3 4. 56.1

8 0
3 years ago
Divers in a competition are scored by an international panel of judges. The highest and the lowest scores are dropped. The total
Fudgin [204]

From the statements given in the problem, we can say that:

 

Final Score = (total of the remaining scores) * degree of difficulty * 0.6

 

Therefore:

97.2 = (total of the remaining scores) * 4.0 * 0.6

total of the remaining scores = 40.5

 

Therefore the judges could have scored which has a total of 40.5

6 0
3 years ago
Read 2 more answers
What is the answer to this equation 6x+3-6x=3
aev [14]

Answer:

0=0

Step-by-step explanation:

6x-6x=0

cancel the terms on both sides of the equation

0=0  the sum of two opposites equals zero

this statement is correct

5 0
3 years ago
Calculate the value of the exterior angle
aev [14]

What we know is that the sum of a triangle's internal angles are 180º, and a straight angle makes 180º.

first, we have to find the third internal angle(let's call it n) so that we can use it to find the exterior angle.

(3x + 20) + (4x + 5) + n = 180

simplify:

7x + 25 + n = 180

7x + n = 155

n = 155 - 7x

Now we can add it to the external angle to find x.

(155 - 7x) + (8x + 15) = 180

simplify:

170 + 8x - 7x = 180

170 + x = 180

x = 10

Now we can substitute it to the external angle.

8 x 10 + 15 = 95

the exterior angle is 95º.

8 0
3 years ago
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