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Vladimir79 [104]
3 years ago
10

I need help please I can’t understand these problems.

Mathematics
2 answers:
DerKrebs [107]3 years ago
7 0

Answer:

m∠ABD = 88°, m∠CBD = 23°

Step-by-step explanation:

m∠ABD + m∠CBD = m∠ABC = 111°

(-10x + 58) + (6x + 41) = 111

-4x + 99 = 111

-4x = 12

x = -3

m∠ ABD = -10(-3) + 58 = 88°

m∠CBD = 6(-3) + 41 = 23°

timama [110]3 years ago
5 0

Answer:

Step-by-step explanation:

X= -3

Abd = 88 degrees

Cbd = 23 degrees

Set the equation this way and solve:

-10x + 58 + 6x + 41 = 111

-4x + 99 = 111

-4x = 12

X = -3

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Which ratio is equal to the number π
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Answer: 3.14

Step-by-step explanation:

Succinctly, pi—which is written as the Greek letter for p, or π—is the ratio of the circumference of any circle to the diameter of that circle. Regardless of the circle's size, this ratio will always equal pi. In decimal form, the value of pi is approximately 3.14.

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Is -4.123 rational?<br><br>Is 01010010001... rational?
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No 01010010001 is not rational
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WHICH SENTENCE IDENTIFIES THE Y INTERCEPT AND ORDERED PAIR OF THE POINT ON THE GRAPH
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C

The line intercepts the y axis at 2, so that is the y intercept.

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3 years ago
Help this is really hard
scoundrel [369]

Answer:

x = 18, y = 45

Step-by-step explanation:

4x - 7 + a = 180 (linear pair)

But, a = 6x + 7 (alternate interior angles)

=> 4x - 7 + 6x + 7 = 180

=> 10x = 180

=> x = 18

Now, 3y - 20 = 6x + 7 (vertically opposite angles)

=> 3y - 20 = 6(18) + 7

=> 3y = 108 + 7 + 20

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Hope it helps :)

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4 0
2 years ago
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Mitch used 1 4 pounds of beef to make 3 4 liters of beef strogonoff. If Mitch's recipe is for 1 liter of beef strogonoff, how ma
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option B) 3 pounds of beef is needed to make 6 times the recipe.

<u>Step-by-step explanation</u>:

<u>step 1 </u>:

Mitch used 14 pounds of beef = 34 liters of beef strogonoff

'x' pounds of beef = 1 liter of beef strogonoff

<u>step 2</u> :

Rate = No. of pounds / No. of liters

(14 pounds / 34 liters) = (x pounds / 1 liter)

x = 14/34

x = 0.412

1 liter of beef strogonoff = 0.412 pounds of beef

<u>step 3</u> :

To make 6 times the recipe = 6 \times 0.412

                                              = 2.5 pounds of beef ( approximately 3 pounds)

5 0
3 years ago
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