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kow [346]
3 years ago
8

Select the property of equality used to arrive at the conclusion if x-3=7 , then x=10

Mathematics
1 answer:
Fantom [35]3 years ago
8 0

Answer:

The addition property of equality  

Step-by-step explanation:

According to the addition property of equality, if we add the same number to each side of an equation, the equality is still true.

We are given the equation

x – 3 = 7, and we must solve for x.

We want to get x by itself, so we <em>add 3 to each side</em>.

x – 3 + 3 = 7 + 3

             x = 10

We have just used the addition property of equality.

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s2008m [1.1K]

Answer:

D) <1 and <2, <1 and <8, <2 and <3, <3 and <8

Step-by-step explanation:

Supplementary angles are angles that add to 180 degrees. So, D is correct.

5 0
3 years ago
1 7/8 x 10/7 x 4 I need help answering this its confusing<br>​
Alla [95]

Answer: 75/7

Step-by-step explanation:

<u>Concept:</u>

Multiplication in fraction is the numerator times numerator and denominator times denominator, and if possible, you can simplify the numerator and denominator by eliminating common factor.

<u>Solve:</u>

1 7/8= 15/8

 1 7/8 × 10/7 × 4

=15/8 × 10/7 × 4

=150/56 × 4

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<h2>=75/7</h2>
4 0
4 years ago
Read 2 more answers
I NEED HELP PLEASE THANKS
Simora [160]

Answer:

D. Reflect across the x-axis, then shift 4 units up

Step-by-step explanation:

In this case, reflecting across the x-axis just means going 4 units down. To go back up, go 4 units up.

8 0
3 years ago
It costs $60.00 to rent the gymnasium, plus $5.00 per person. What would be the total cost to rent the gymnasium for 40 people?
qwelly [4]
$260.00
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5 0
3 years ago
in a class of 50 students 15 are girls.five girls and 2/7 of the boys were chosen to play a match .the total number of students
Aleks [24]

Answer:

15 students

Step-by-step explanation:

No. of boys students = No. of all students - No. of girls

no. of boys =50-15 = 35 boys

the boys that will play the match are 2/7 of boys = (2/7)x35 = 10 boys

and the girls that will play the match are 5 girls

so, no of students chosen to play = 5+10=15 students

5 0
3 years ago
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