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GrogVix [38]
3 years ago
11

20 points!! Baldomero’s solution to an equation is show below

Mathematics
1 answer:
Lina20 [59]3 years ago
8 0

Answer:

Between steps d and e

Step-by-step explanation:

Baldomero made a clear mistake between steps d and e when he was dividing 144 and -48. When you divide these two numbers together, the answer is -3 and not 3 as he stated.

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I need it done assap<br><br>Will give brainly!!!
Mashcka [7]

Answer:

-5 + 2

Step-by-step explanation:

It's D because when two negatives are by each other it make it a positive 2 and makes it an addition sentence but the 5 stays negative

3 0
3 years ago
Read 2 more answers
The angle by which turns clockwise about point b to coincide with is degrees. if from point b, a point e is drawn directly oppos
N76 [4]

The first drop-down menu answer is 63.9 And the second drop-down menu answer is 116.1

The complete question is as given below:-

The angle by which turns clockwise about point B to coincide with is degrees. If from point B, a point E is drawn directly opposite point C so that B, E, and C are on the same straight line, the angle by which turns counterclockwise to coincide with is degrees.

<h3>What is an angle?</h3>

The angle is defined as the span between two intersecting lines or surfaces at or close to the point where they meet.

I have attached the figure for this problem and there are two questions for this problem. The first is the angle needed for AB to turn to coincide with BC.

Simply, get add the measures of the angles ABD and DBC. So,

33.3 + 30.6 = 63.6 degrees

The second question is the angle needed for AB to turn to coincide with EB. Angle EBA is complementary with angle ABC. So,

180 - 63.6 = 116.4 degrees

Therefore for first drop-down menu answer is 63.9 And the second drop-down menu answer is 116.1

To know more about an angle follow

brainly.com/question/25770607

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7 0
2 years ago
Formúla General <br>a) 4x²=9x-2=0 <br><br>b) X²+8x-84=0<br>​
makkiz [27]

Answer:<em> </em><em>a)</em> x=\dfrac{-9 \pm\sqrt{113} }{8}

             <em> b) x₁ = - 14; x₂ = 6.</em>

Step-by-step explanation:

a) 4x² + 9x - 2 = 0

x=\dfrac{-b \pm \sqrt{b^{2}-4ac } }{2a} \\\\a=4; \: \: b=9; \: \: c=-2\\x =\dfrac{-9 \pm \sqrt{9^{2}-4 \cdot 4 \cdot (-2) } }{2 \cdot 4} =\dfrac{-9 \pm\sqrt{113} }{8}

b) x² + 8x - 84 = 0

x=\dfrac{-b \pm \sqrt{b^{2}-4ac } }{2a} \\\\a=1; \: \: b=8; \: \: c=-84\\\\x =\dfrac{-8 \pm \sqrt{8^{2}-4 \cdot 1 \cdot (-84) } }{2 \cdot 1} =\dfrac{-8 \pm\sqrt{400} }{2}=\dfrac{-8 \pm 20}{2} =-4 \pm 10\\\\x_{1} =-14\\x_{2} =6

7 0
3 years ago
The cost C (in dollars) of making n watches is represented by C=15n 85. How many watches are made when the cost is $385?
liraira [26]
15n +85=385
15n=300
n=20
3 0
3 years ago
A rectangle is drawn on a coordinate grid. The equation for one side of the rectangle is 2x – 5y = 9. Which could be the equatio
olga nikolaevna [1]

Answer:

the second 1

Step-by-step explanation:

I hope this helped

7 0
3 years ago
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