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zhannawk [14.2K]

2 years ago

13

Dean's Diner offers its clients a choice of regular and diet soda. Last night, the diner served 50 sodas in all, 90% of which we

re regular. How many regular sodas did the diner serve?

1 answer:

Montano1993 [528]2 years ago

8 0

Answer:

The diner served 45 regular sodas

Step-by-step explanation:

90% of 50 is 45 so the answer is 45

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Find the pressure exerted by a force of 240 N on an area of 30 cm2. Find the answer in SI unit

NeTakaya

Answer:

<u>Pressure</u><u> </u><u>is</u><u> </u><u>8</u><u>0</u><u>,</u><u>0</u><u>0</u><u>0</u><u> </u><u>pascals</u><u>.</u>

Step-by-step explanation:

Area:

$= { \bf{ 30 \times {10}^{ - 4} \: {m}^{2} }}$

Pressure:

${ \bf{pressure = \frac{force}{area} }} \\ \\ { \tt{ = \frac{240}{30 \times {10}^{ - 4} } }} \\ = { \tt{80000 \: pascals}}$

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2 years ago

What is the ratio of 3 cans of blue paint to 9 cans<br> of yellow paint

Phoenix [80]

Answer:

1 to 3

Step-by-step explanation:

3 blue: 9 yellow

Divide each side by 3

3/3 : 9/3

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1 to 3

5 0

2 years ago

2.5 % of what is 2.21 ?

lawyer [7]

2.5% * y = 2.21
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y = 2.21/.025
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4 0

2 years ago

Select the correct answer.<br> Which function is the inverse of f(x) = -x^3 - 9?

joja [24]

Answer:

(2)

Step-by-step explanation:

Let f(x) = y → f-¹(x) = f(y) = x, f(y) is the inverse of f(x)

Thus,

=> -x³ - 9 = y

=> - y - 9 = x³

=> (-y - 9)^(1/3) = x

=> f(y) = x

Inverse is (-y-9)^(1/3)

Replacing the variable, inverse is (-x-9)^(1/3)

Option (2)

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2 years ago

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Harman [31]

Answer:

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Step-by-step explanation:

Slope of a straight line graph is given by; change in y ÷ change in x

Slope = $\frac{-3 - 6}{2 - -1}$ = $\frac{-9}{3}$ = -3

5 0

2 years ago

Read 2 more answers