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Anni [7]
3 years ago
15

Which expression has the same value as 9- (-7)9−(−7)?

Mathematics
1 answer:
gulaghasi [49]3 years ago
6 0

Answer:

I d need help on same question

Step-by-step explanation:

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A disc has a diameter of centimeters while a mini disc has a diameter of centimeters. Write the ratio of the mini disc diameter
Dafna1 [17]

Answer:

2 : 3

Step-by-step explanation:

A disc has a diameter of 21 cm while a mini disc has a diameter of 14cm. Write the ratio of the mini disc diameter to the disc diameter.

Answer: Let the diameter of the mini disc be d_1 while the diameter of the disc be d_2. To get the ratio of the mini disc diameter to the disc diameter, we just simply have to divide the diameter of the mini disc by the diameter of the disc and then represent the fraction in ratio form. The ratio of the disc diameters is given by:

Ratio of the mini disc diameter to the disc diameter = Diameter of mini disc / diameter of disc

Ratio of the mini disc diameter to the disc diameter = \frac{14}{21}=\frac{2}{3}

Ratio of the mini disc diameter to the disc diameter = 2 : 3

3 0
4 years ago
A triangle has 2 sides of lengths 7 and 12 what value could the length of the third side be
yawa3891 [41]

Answer:

Step-by-step explanation:

a^2+b^2=c^2

7^2+12^2=c^2

=193^2

find the square root of 193

13.9ish

8 0
3 years ago
Round up 77,690 to the hundred place
Soloha48 [4]

Answer:

77,700

Step-by-step explanation:

look at 690. since the nine is greater than 5 round to 700

7 0
3 years ago
Read 2 more answers
Suppose f(x) = x2 and g(x) = 4x2. Which statement best compares the graph of g(x) with the graph of f(x)?
Fiesta28 [93]
Given:
f(x) = x²
g(x) = 4x²

Therefore
g(x) = 4f(x)
This means that the value of g(x) is 4 times the value of f(x). So the graph og (x) is the graph of f(x) vertically stretched by a factor of 4.

The graph shown below confirms the conclusion.

Answer: C.
The graph of g(x) is the graph of f(x) vertically stretched by a factor of 4.

6 0
3 years ago
Someone plz help me no one helping me plz don’t answer saying idk or oh it so easy or something unhelpful cuz if it was easy HEL
Strike441 [17]

Answer:

(If you were asking for the answer for question 7)

c. Initially, Cassie has $20 in her account.

Step-by-step explanation:

-20 represents the slope or rate of change of the line and 275 represents the y-intercept or starting point of the line on the y-axis. C is the right answer because initially Cassie had $275 in her account, not $20.

6 0
3 years ago
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