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nekit [7.7K]
3 years ago
7

I need help for number 6 please

Mathematics
2 answers:
vesna_86 [32]3 years ago
8 0

Answer:

Hi there!

The answer to this question is c=23, b and d=157

this is because c is the vertical angle of a meaning the values are equal

and b is the supplementary angle to a: all you do is subtract 23 from 180 to get 157.

b is vertical to d, so d is also 157

sladkih [1.3K]3 years ago
5 0

Note: this may not be correct, I haven't done angles in a while and kind of forgot most of it but this is what I think the answer is.

Answer: b=157° c=23° d=157°

Step-by-step explanation:

The line goes straight across each other. This creates same angles on either side of the line. Angle C is a reflection of Angle A, so C is also 23°.

Half a full circle is 180°. If angles B and D are less than half a circle, but more than Angles A and C, then:

180-23=157

Angles B and D are 157° each.

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The original price of a Kindle is $269.99. If a discount of 15% is given, what is the amount of the discount?
andrey2020 [161]

15% of $269.99 = 0.15 x 269.99 = $40.50 (nearest cent)


Answer: $40.50

6 0
3 years ago
Which of the following is equal to the fraction below?
Alecsey [184]
Wish I can help , but you didn’t show any fractions nor anything I can use to answer your question . Can you mark me brainliest for effort !?
4 0
3 years ago
Which value, when placed in the box, would result in a system of equations with infinitely many solutions?
Fantom [35]

Answer:

<h2>If we placed the number 10 in the box, we obtain a system of equations with infinitely many solutions.</h2>

Step-by-step explanation:

The given system is

y=2x-5\\2y-4x=a

<em>It's important to know that a system with infinitely many solutions, it's a system that has the same equation</em>, that is, both equation represent the same line, or as some textbooks say, one line is on the other one, so they have inifinitely common solutions.

Having said that, the first thing we should do here is reorder the system

y=2x-5\\2y=4x+a

This way, you can compare better both equations. If you look closer, observe that the second equation is double, that is, it can be obtained by multiplying a factor of 2 to the first one, that is

y=2x-5\\2y=4x-10

So, by multiplying such factor, we obtaine the second equation. Observe that a must be equal to 10, that way the system would have infinitely solutions.

Therefore, the answer is 10.

4 0
3 years ago
What is the radius of the circle: (x+1)^2+(y-12)^2=25
lidiya [134]

Answer:

radius = 5

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Here r² = 25 ( take the square root of both sides )

r = \sqrt{25} = 5

4 0
2 years ago
Read 2 more answers
On a given planet, the weight of an object varies directly with the mass of the object. Suppose that an object whose mass is 9 k
nadya68 [22]

Answer:

6 kg

Step-by-step explanation:

Given is weight of an object directly varies with the mass of the object .

Let the constant of proportionality be k

So,

Weight = K×(mass of the object)

For an object , weight = 45 N

                        mass = 9 kg

So , 45 = K×9

      K = 5.

Now, for the other object ,

Weight = 30 N. K = 5 (as obtained above)

So, 30 = 5×(mass of the object)

mass of the object = 6 kg.

5 0
3 years ago
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