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s344n2d4d5 [400]
3 years ago
15

What are the steps for substitution(word problems)? Please and thanks!

Mathematics
1 answer:
nataly862011 [7]3 years ago
6 0
The steps for substitution are  step 1 solve for the equation x = or y then step 2 is substitute the solution from step 1 into the second equation and step 3 is solve the new equation for x.

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Find two consecutive whole numbers that <br> √53<br> lies between.
4vir4ik [10]
7 is the square root of 49 and 8 is the square toot of 64.
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4 0
3 years ago
a rectangle is made by joining two squares adjacent to each other as shown below. if one squared has an area of 144 squared cent
liberstina [14]

Answer:

Hello! After reading your question I have deduced that the correct answer is 288² cm.

Step-by-step explanation:

The way I came to this conclusion was as follows:

Firstly:

If said rectangle is two squares put side by side (adjacent), then a valid assumption is that both squares are the same size.

This is because all four sides of a square have to be equal.

Thus if the two squares are joined together on one side, then all the other sides of both the squares will be the same length.

Thus both of the squares are going to be the same size, so they will have the same area.

Secondly:

If the area of one square is 144² cm then the area of the other square should also be 144² cm.

Thus if you combine the areas of both the squares, that make up the rectangle, you are left with the area of the rectangle being 288² cm.

I hope this helped!

3 0
2 years ago
Please help Anyone I'm seriously almost done​
sp2606 [1]

Answer:

\textsf{x = 45}

Here, the given 2 angles are complementary angles. The sum is <u>90 degrees</u> as indicated by the right angle symbol.

\textsf {Solving :}

\implies \textsf{x - 2 + 47 = 90}

\implies \textsf{x + 45 = 90}

\implies \textsf{x = 45}

5 0
2 years ago
An online service charges $3 for each downloaded movie, plus a monthly fee of $6,50 Which function represents this
sveta [45]

Answer:

ANSWER

y = 3x + 6.50

EXPLANATION

The $3 for each downloaded movie is the unit rate of change.

This is represent the slope of the linear function that models this situation.

The monthly fee of monthly fee of $6.50 the constant rate.

It represents the y-intercept of the function.

The linear function is given by

y = mx + by=mx+b

The correct choice is y = 3x + 6.50

3 0
3 years ago
Read 2 more answers
I need help I did most of them but not sure if there right if you could tell me that would be great. Also can you help me with 9
Andrej [43]

Explanation:

In the given identified the following with reasons.

1. Given

2. Corresponding Angles postulate

3. Reflexive property of congruence

4. AA similarity postulate.

5. Triangle proportionate  

6. Cross multiply

7. Distributive property of equality

8. Subtraction property of equality

9. Division property of equality

10. Prove

8 0
3 years ago
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