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Aleksandr-060686 [28]
3 years ago
12

preston uses the bar diagram to represent 4x - 3 = 13. how would you use the bar diagram to solve for x

Mathematics
1 answer:
White raven [17]3 years ago
8 0
X=4 because4×4=16-3=13
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(25+3) - 7 x 3 + (2x4)
arlik [135]

Answer:

It is not correct, the answer is 15

Step-by-step explanation:

They forgot the rule of PEMDAS, and accidentally subtracted before they multiplied. It should've gone

(25+3) - 7 x 3 + (2x4)

28-7x3+8

28-21+8

Since it's minus 21, that means it's negative, so -21+8=13

28-13=15

4 0
2 years ago
Which cypress ion is equivalent to 4(x+2) ?<br> 6x<br> 4(x)+4(2)<br> 4(x)+4<br> 8x
jenyasd209 [6]

Answer:

4(x) + 4(2)

Step-by-step explanation:

4(x+2) = 4(x) + 4(2)

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2 years ago
Multiply the polynomial 2x(x−3) <br><br> A)2x^2-6x<br> B)2x-6<br> C)x^2-6
dlinn [17]
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6 0
2 years ago
What is The Product of 4 and z is the same as 16 as an equation
Kaylis [27]

Answer:

4(z) = 16

Step-by-step explanation:

Product = the result of multiplication.

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7 0
2 years ago
Read 2 more answers
arron takes his dog for a walk afer school, he walks 5 blocks east and then 4 blocks north. if he was able to take a direct rout
nlexa [21]

Hi!

We are given the information found in the picture below.

Note: The directions aren't correct, but the triangle works for this problem.

The "direct path" is the hypotenuse of this triangle.

To find this, we use the Pythagorean Theorem, where a and b are 2 legs of the triangle, and c is the hypotenuse, aka the longest side of any triangle:

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We know a and b and want c

4^2+5^2=c^2

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41=c^2

Therefore, c is approximately 6.403

3 0
2 years ago
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