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TiliK225 [7]
2 years ago
9

You need to spend at least $50 in one day to receive a store discount. You have already spent $30. Let s be the amount of money

(in dollars) you can now spend to qualify
for the discount. Which inequality and solution represent this situation?
s+30<50; 8 < 20
s+30 ≤ 50; s ≤ 20
s+30> 50; 8 > 20
s+ 30 ≥ 50; 8 ≥ 20
Mathematics
1 answer:
Allushta [10]2 years ago
5 0

Answer: s + 30 ≥ 50; s ≥ 20

Step-by-step explanation:

let s be the amount you have yet to spend in order to reach $50 or more

you already have $30.

This means you need to spend at least $20 more ($50 - $30 = $20)

S can be greater than or equal to $20 because your total will be 50 or more, therefore qualifying for the discount.

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Help plsss
andrew11 [14]

(b) is the answer.

Step-by-step explanation:

By the Pythagorean Theorem,

A² + B² = C²

Where:

A = Length of side 1

B = Length of side 2

C = Hypotenuse

This rule applies to all right-angled triangles.

The length of the hypotenuse of a right-angled triangle is always the largest value.

Therefore, we can test the answers with the equation above.

(a)

8² + 18² = 20²

64 + 324 = 400

388 ≠ 400

The rule of Pythagorean theorem doesn't work on a, so (a) is not a right-angled triangle.

(b)

12² + 35² = 37²

144 + 1225 = 1369

1369 = 1369

The rule of Pythagorean theorem works here, so (b) is a right-angled triangle.

8 0
3 years ago
What are the three methods used to identify sample spaces?
Ira Lisetskai [31]
I'm not sure what you're asking but i think it can be this 

Numbers
Colors
Probability

Hope this helps :)

5 0
3 years ago
Read 2 more answers
Which statement about determining the quotient 12÷13 is true?
PIT_PIT [208]

Answer:

B

Step-by-step explanation:

I know this because 12 dividend by 13 is closer than 9 than any other answer.

4 0
3 years ago
If light travels at 3. 108 m/s and its frequency is 6. 1015 Hz, then its wavelength is:
Sergio039 [100]

Answer:

5 * 10^{-8} m

Step-by-step explanation:

The speed of light is 3 * 10^8 m/s and its frequency is 6 * 10^{15} Hz.

The speed of light is given as:

c = λ * f

where λ = wavelength of light

f = frequency of light

Therefore, the wavelength is given as:

λ = c / f

=> λ = \frac{3 * 10^8}{6 * 10^{15}}

=> λ = 5 * 10^{-8} m

The wavelength of the light is 5 * 10^{-8} m

7 0
3 years ago
A sidewalk of width 2 feet is being built around a pool. Which expression represents the area of the sidewalk?
Molodets [167]
I would assume it's the area of both the sidewalk and pool combined (79ft x 49ft = 3,871) minus the area of the pool alone (75ft x 45ft = 3,375). The area of the sidewalk would then be 496 ftx^{2}.
4 0
3 years ago
Read 2 more answers
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