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Ierofanga [76]
4 years ago
7

George has $15. He would like to know if he has enough money to see a movie ($9.00) and buy a pretzel ($2.65), a drink ($1.35),

and two veggie cups (1.74 each). George used this numerical expression to decide if he had enough money .
Mathematics
2 answers:
olga nikolaevna [1]4 years ago
7 0
So George did't put parentheses around total snack amount to subtract his $15.He would need the total purchases to subtract amount by $15.
Minchanka [31]4 years ago
7 0

Answer:

13.48

Step-by-step explanation:

Remember use PEMDAS/ order of operations

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OverLord2011 [107]

Answer:

Part A) sin(A)=\frac{2\sqrt{42}}{23}

Part B) cos(A)=\frac{19}{23}

Part C) tan(A)=\frac{2\sqrt{42}}{19}

Step-by-step explanation:

Part A) we know that

In the right triangle ABC of the figure the sine of angle A is equal to divide the opposite side angle A by the hypotenuse

so

sin(A)=\frac{BC}{AB}

substitute the values

sin(A)=\frac{2\sqrt{42}}{23}

Part B) we know that

In the right triangle ABC of the figure the cosine of angle A is equal to divide the adjacent side angle A by the hypotenuse

so

cos(A)=\frac{AC}{AB}

substitute the values

cos(A)=\frac{19}{23}

Part C) we know that

In the right triangle ABC of the figure the tangent of angle A is equal to divide the opposite side angle A by the adjacent side angle A

so

tan(A)=\frac{BC}{AC}

substitute the values

tan(A)=\frac{2\sqrt{42}}{19}

8 0
3 years ago
If dab=125 what is the measure of cba justify your reasoning
KonstantinChe [14]
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8 0
4 years ago
Amanda drove for 3 hours through different traffic conditions. her average speed was 50mph for the first hour, 72 mph for the se
Neko [114]
Distance traveled in the first hour = 50 miles

Distance traveled in the second hour = 72 miles

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Total distance = 50 + 72 + 46 = 168 miles

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168 ÷ 23 = 7.30 gallons (nearest hundredth)

Answer:  7.30 gallons

7 0
3 years ago
If Jeff washes his car in 6 minutes and bob washes the same car in 8 minutes. How long does it take both of them to wash the sam
Tatiana [17]

Answer:

3 3/7 or 24/7 mins

Step-by-step explanation:

Let total job = X

Jeff's rate = X/6

Bob's rate = X/8

Combined rate = X/6 + X/8

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7X/24 = X/T

T = X ÷ (7X/24)

T = X × (24/7X)

T = 24/7 mins

Shortcut:

T = product of individual times/sum of individual times

T = (6×8)/(6+8)

T = 48/14

T = 24/7

T = 3 3/7 mins

8 0
3 years ago
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