3 years ago

Find the value of x that makes the equation true:x + 3 = 4

Mathematics

1 answer:

Zolol [24]3 years ago

6 0

Answer:

x = 1

Step-by-step explanation:

Subtract 3 from both sides

x+ 3 - 3 = 4 - 3

gives x=1

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If pentagon ABCDE is rotated 180 degrees around the origin to create pentagon A’B’C’D’E’, what is the ordered pair of point A’?

Semmy [17]

Answer:

(A)

Step-by-step explanation:

Point A is at (-2,4)

Rule of a 180° rotation about the origin: (x,y) --> (-x,-y)

Using the rule, (-2,4) will become (2,-4).

A' should be (2,-4) or Option A.

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3 years ago

Coefficient of the term 13a+16b

Ksenya-84 [330]

Answer:

13 and 16

Step-by-step explanation:

The coefficients are the numbers that are next to a variable. In the expression:

13a+16b

Both 13 and 16 are next to a variable. Therefore, 13 and 16 is the correct answer.

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2 years ago

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Answer:

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3 years ago

4x+8=7.2+5x solve for d

liberstina [14]

Answer: x = 0.8

Explanation:

$4x + 8 = 7.2 + 5x$

$5x - 4x = 8 - 7.2$

$x = 0.8$

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3 years ago

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(2y+9)+(3d+5)=? *simplify your answer*

netineya [11]

Answer:

$2y + 3d +14\\2(y+7)+3d$

Step-by-step explanation:

We remove the bracket and rearrange the numbers to add them. Only similar variables can be added together.

$(2y+9)+(3d+5)\\2y+9+3d+5\\2y + 3d + 9 +5\\2y + 3d + 14\\2(y+7)+3d$

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3 years ago

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