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love history [14]
2 years ago
11

Help ASAP its due today!

Mathematics
2 answers:
GalinKa [24]2 years ago
8 0
The answer is the fourth question, 60.
Genrish500 [490]2 years ago
4 0

Answer:

The answer is D) 60

Step-by-step explanation:

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Dany scored 93 in physics, 88 in mathematics, and a score in chemistry that is double his score in geography. The average score
Leno4ka [110]

Answer:

90

Step-by-step explanation:

Let x be Dany's score in geography. His score in chemistry is double his score in geography and it is equal to

2 x

The average of all four scores is 79. Hence

(93 + 88 + x + 2 x) / 4 = 79

Multiply both sides of the equation by 4

4×(93 + 88 + x + 2 x) / 4 = 4×79

Simplify

93 + 88 + x + 2 x = 316

Group like terms

3 x + 181 = 316

Solve for x

3 x = 135

3 x / 3 = 135 / 3

x = 45

score in geography = x = 45

score in chemistry = 2 x = 2 × 45 = 90

Hope it helped u if yes mark me BRAINLIEST!

Tysm!

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3 years ago
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True or False. The Electromagnetic Spectrum can be described in terms of wave energy, frequency, and wavelength.
NeTakaya
True, because energy, frequency, and wavelength are all properties of sound, and sound is an electromagnetic wave. The electromagnetic spectrum encompasses a continuous range of frequencies or wavelengths of electromagnetic radiation, ranging from long wavelength, low energy radio waves to short wavelength, high frequency, high energy gamma rays. 
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3 years ago
I need a answer asap
Murrr4er [49]

Answer:

As the weight increases, the price increases.

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BRAINLIEST!!!!!!!!!!!!!!!!!!!
AveGali [126]
The answer is A) reflection over x-axis
5 0
2 years ago
A line passes through A(3, 7), and B(-4, 9). Find the value of a if C(a, 1) is on the line.
marissa [1.9K]

Answer:

ANSWER

a=-32

EXPLANATION

If C(a,1) is on the line that passes through A(3, 7), and B(-4, 9), then the three points are collinear.

This implies that, when we find the slope using any two points, we should get the same re.  sorry couldnt finish

Step-by-step explanation:

5 0
3 years ago
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