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Nata [24]
3 years ago
10

Can someone help me please I don't understand this ​

Mathematics
1 answer:
notka56 [123]3 years ago
8 0

Answer:

Step-by-step explanation:

For 2.

a and b both equal to 90

180 - 138 = 42

c = 42

42 + 90 = 132           180 - 132 = 48

d = 48

e = 132

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Select the number property that will justify the step in the following expression. 2(5 • 17) = (2 • 5) 17 = 10 • 17 = 170
Andreyy89

The number property that will justify the step in the following expression. 2(5 • 17) = (2 • 5) 17 = 10 • 17 = 170 is; Associative Property

<h3>What is the Number Property that was used?</h3>

The associative property is a math rule that says that the way in which factors are grouped in a multiplication problem does not change the product.

Now, this associative property is used here because we see that;

2(5 • 17) = (2 • 5) 17

In both left and right hand sides we see that despite the change in order, the result remains the same.

Read more about Number Property at; brainly.com/question/24792133

#SPJ1

4 0
2 years ago
What would be a reasonable estimate of the value of 'm' in this equation
bixtya [17]
B. 188-80=108
The closest answer there is 100
5 0
3 years ago
(15 POINTS!) The graph shows the distance a ghost crab can run over time the D equals the distance in meters and the t equal the
Maru [420]

Answer:

B. d = 5/3t

Step-by-step explanation:

The complete question is shown in the figure attached with.

We need to find the equation of direct variation using the graph. The general equation for a direction variation is:

y = kx

In this case, the variable along x axis is time in seconds i.e. "t" and the variable along y axis is distance in meters i.e. "d". So, the equation for this case would be:

d = kt

We need to find the value of "k" to complete this equation. For this we can use any point from the graph and substitute it in the above equation. From the graph we can see that the distance covered for time = 3 seconds is 5 meters. Substituting t =3 and d = 5 in above equation, we get:

5 = 3k

k = 5/3

Using the value of k in the above equation, we get:

d=\frac{5}{3}t

Therefore, option B gives the correct answer

7 0
3 years ago
1 and 2 form a linear pair. If the
natka813 [3]

Angles that form a linear pair add up to 180 degrees.

If the measure of angle 1 is 113, then all we must do is subtract:

180-113=67 degrees

And we're done!

Good luck! :)

Hope it helps you!

GraceRosalia ✺                    ✺                      ✺          ✺              ✺             ✺          ✺

8 0
3 years ago
Without subtracting 8.5 - 4.64 determine what digit will be in the hundredths place
kozerog [31]
It will be a 6 because the 8.5 is actually 8.50. So when subtracting mentally 8.50 - 4.64 you know 0 - 4 cannot be subtracted. Barrow a 1 from the 5 and now it'll be like 10 - 4. Which 10 - 4 = 6

8.50
- 4.64
= 3.86
3 0
3 years ago
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