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AysviL [449]
3 years ago
9

II. Write whether each number is an EXPRESSION or an EQUATION.

Mathematics
1 answer:
bulgar [2K]3 years ago
8 0

Answer:

11. Expression

12. Equation

13. Equation

14. Expression

15. Equation

Step-by-step explanation:

Expression:

Has no equal sign.

Equation:

Has equal sign.

11. 2 + 5

14. X + 25

Those which do not have the equal sign are expressions.

12. 2 + 5 = 7

13. 4x = 12

15. 16 - 6 = 10

Those with the equal sign are equations.

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Brigitte is shorter than 5 feet. (Brigitte's height=h). Help please
KonstantinChe [14]

Brigitte is shorter than 5 feet. (Brigitte's height=h)

We write this in  inequality form

Brigitte's height is h

So 'h' is shorter than 5 feet

Shorter means less than so we use < symbol. We should not use = symbol because height is shorter than 5 not equal to 5.

Suppose if it is given ' height is more than 5 feet ' then we use greater than symbol (>)

h is less than 5 feet

h < 5

Inequality is h < 5

3 0
3 years ago
Read 2 more answers
Skee ball is a game played by rolling a wooden sphere up a ramp into a series of rings. The wooden ball has a surface area of ab
SVEN [57.7K]

<u><em>Answer:</em></u>

Radius of the ball is approximately 6.5 cm to the nearest tenth

<u><em>Explanation:</em></u>

The ball has the shape of a sphere

<u>Surface area of a sphere can be calculated using the following rule:</u>

Surface area of sphere = 4πr² square units

<u>In the given problem, we have:</u>

Surface area of the ball = 531 cm²

<u>Substitute with the area in the above equation and solve for the radius as follows:</u>

531 = 4\pi r^2\\ r^2=\frac{531}{4\pi } = 42.255 \\ \\ r=\sqrt{42.255}=6.5004 cm which is approximately 6.5 cm to the nearest tenth

Hope this helps :)

3 0
3 years ago
Can someone pls graph this for me ? ( just screenshot and use the marker tool to graph)
Furkat [3]
Answer: Y = -4 is four numbers down for the origin. Y = 0 is basically the origin (the center of the graph)
8 0
2 years ago
K is decreased by 20​
Luden [163]
The answer is k-20

decreased means to take away/subtract, “k” is being subtracted by 20, therefore k-20


Hope this helps! have a wonderful day!
8 0
3 years ago
NEED HELP ASAP
mezya [45]

Answer:

5, 3

Step-by-step explanation:

correct on edge2020

5 0
2 years ago
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