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il63 [147K]
4 years ago
15

Explain how an estimate helps you to place the decimal point when multiplying 3.7x5.1

Mathematics
1 answer:
vampirchik [111]4 years ago
8 0
It can lower or higher it making it easyer
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Which of the following equations could be the result of using the comparison method to solve the system shown? x - 4y - 1 = 0 x
andrew11 [14]

Answer:

Option A.

Step-by-step explanation:

The given system of equations is

x-4y-1=0

x+5y-4=0

The given equations can be rewritten as

x=4y+1

x=4-5y

Using comparison method, compare the values of x.

4y+1=4-5y

Therefore, the correct option is A.

5 0
4 years ago
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Simplify 4(q + 7) + 2
viva [34]

Answer:

The answer to this problem is 4q+30

7 0
3 years ago
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HELP, PLEASE <br><br>Will mark Brainliest for the correct answer. There are two questions.
notka56 [123]

Answer: if you think about b it sounds wrong so the answer is probably A

Step-by-step explanation: you said it wasn’t C or D so between A and B , A makes more sense

3 0
4 years ago
1. If y varies directly as x, and y=40 when x=16, find y when x=30 answer?
Svet_ta [14]

If y = 40 when x = 16 that means y is (40/16) time greater than x.

So, if x = 30, y = (40/16) x 30 Which equals 75.

If x = 30, y = 75. Hope This Helps :)

4 0
3 years ago
Tell whether a triangle can have the given angle measures:<br> 47°, 109°, 23°
ExtremeBDS [4]
Answer: No

Explanation: All the angles of a triangle has to add up to 180. The angles you provided adds up to 179, which does not equal 180. That means it can’t be a triangle.
6 0
3 years ago
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