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3 years ago

WRITE AN EQUATION FOR EACH PAIR OF ANGLES GIVEN AND SOLVE FOR X!

Mathematics

2 answers:

professor190 [17]3 years ago

8 0

Answer:

What are the angles I dont see them :/

Step-by-step explanation:

what are they

Alja [10]3 years ago

6 0

Step-by-step explanation:

i hope this helps

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Hillary is planning an expensive surprise party. She is choosing between two venues. The banquet hall at Hotel A will cost $431

In-s [12.5K]

Answer: Hillary would have to invite 15 people before the cost of having the party at Hotel B is less than the cost of having a party at Hotel A

Step-by-step explanation:

Let x represent the number of guests that Hillary would invite.

The banquet hall at Hotel A will cost $431 to rent the room and $38 per guest. This means that the total cost of hosting x guests at hotel A is

38x + 431

The banquet hall at Hotel B will cost $747 to rent the room and $16 per guest. This means that the total cost of hosting x guests at hotel B is

16x + 747

For the cost of having the party at Hotel B to be less than the cost of having a party at Hotel A, it means that

16x + 747 < 38x + 431

747 - 431 < 38x - 16x

316 < 22x

22x > 316

x > 316/22

x > 14.36

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3 years ago

Solve for a<br> 3x - 2 = 4x + 5

Natali [406]

Answer:

X = -7

Step-by-step explanation:

4 0

3 years ago

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If there are 4quarts in a gallon,and 2 pints in a quart,and 2 cups in a pint, then how many cups are in a gallon?show your calcu

NNADVOKAT [17]

4 quarts = 1 gallon
2 pints = 1 quart —> 8 pints = 4 quarts
2 cups = 1 pint —> 16 cups = 8 pints

Therefore 16 cups are in a gallon

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4 years ago

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At midnight the temperature was ➖ 5 degrees Celsius. At noon, the temperature was 19 degrees Celsius. Which expression represent

Yanka [14]

Answer:

cold and hot Is the answer

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3 years ago

A car's cooling system has a capacity of 20 quarts. Initially, the system contains a mixture of 3 quarts of antifreeze and 17 qu

Pachacha [2.7K]

Answer:

1.10 quarts

Step-by-step explanation:

We are given that

Capacity of system=20 quarts= $\frac{20}{4}=5 gal$

1 gallon=4 quarts

Initially mixture contains

Antifreeze=3 quarts= $\frac{3}{4}=0.75 gal$

Water=17 quarts= $\frac{17}{4}=4.25 gal$

Water runs in to the system=1gal/min

We have to find the antifreeze in the system at the end of 5 minutes.

Concentration inflow=0

Let Concentration outflow=x

Rate of system=Concentration inflow(water inflow rate)-Concentration outflow(water outflow rate)

$\frac{dx}{dt}=0\times 1-\frac{1}{5} x=-\frac{x}{5}$

$\frac{dx}{x}=-\frac{dt}{5}$

Taking integration on both sides

$\int\frac{dx}{x}=-\frac{1}{5}\int dt$

$ln x=-\frac{1}{5}t+C$

$x=3 and t=0$

$ln 3=C$

$ln x-ln 3=-\frac{1}{5}t$

$ln\frac{x}{3}=-\frac{1}{5}t$

Using formula

$ln m-ln n=ln\frac{m}{n}$

$\frac{x}{3}=e^{-0.2t}$

$x=3e^{-0.2t}$

Substitute t=5

$x=3e^{-0.2\times 5}=3e^{-1}=1.10$

Hence, in the end of 5 minute ,the antifreeze in the system=1.10 quarts

7 0

4 years ago