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Lana71 [14]
3 years ago
10

What is an expression equivalent to 25x^2+28x+16

Mathematics
1 answer:
dmitriy555 [2]3 years ago
8 0
See the attached picture
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Donald Duck's car gets 30 miles per gallon. How many miles can he drive on 9.2 gallons of gas? At $ 2.19 a gallon, how much woul
Vinil7 [7]

Answer:

276 miles, $ 20.148

Step-by-step explanation:

Given:

Donald Duck's car travels in 1 gallon gas = 30 miles

Cost of 1 gallon = $ 2.19

Question asked:

Distance travel in 9.2 gallons = ?

Cost of 9.2 gallons of gas = ?

Solution:

By applying unitary method:

His car travels in 1 gallon = 30 miles

His car will travel in 9.2 gallons = 9.2\times30

                                                    =  276 miles

Cost of 1 gallon = $ 2.19

Cost of 9.2 gallons = 9.2\times2.19

                                = $ 20.148

5 0
3 years ago
What is the quotient of 7^2/2x+6 divided by 3x-5/x+3
Reil [10]

\bf \cfrac{7^2}{2x+6}\div \cfrac{3x-5}{x+3}\implies \cfrac{7^2}{2x+6}\cdot \cfrac{x+3}{3x-5}\implies \cfrac{49}{2~~\begin{matrix} (x+3) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}}\cdot \cfrac{\begin{matrix} x+3 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix} }{3x-5}\implies \cfrac{49}{2(3x-5)}

6 0
4 years ago
Tutorial Charlie is planning a trip to Madrid. He starts with $984.20 in his savings account and uses $381.80 to buy his plane t
Illusion [34]

Answer:

$150.60

Step-by-step explanation:

$984.20-$381.80= $602.40

Take $602.40 and divide by 4 which equals $150.60 which is the 1/4 $ Charlie has in his savings account.

6 0
3 years ago
Triangle E D F is shown. The length of E F is 8 and the length of D F is 5. Angle E D F is 116 degrees and angle D F E is 31 deg
matrenka [14]

Answer:

10.3

Step-by-step explanation:

Triangle E D F is shown. The length of E F is 8 and the length of D F is 5. Angle E D F is 116 degrees and angle D F E is 31 degrees.

Trigonometric area formula: Area = One-half a b sine (C)

What is the area of triangle DEF? Round to the nearest tenth of a square unit.

10.3 square units

18.0 square units

20.0 square units

20.6 square units

7 0
4 years ago
Read 2 more answers
Is a 1/2 bigger than 1/8
Sonja [21]
The answer is yes because 1/2 is equal to 4/8 so 4/8 is bigger than 1/8 :))
i hope this is helpful 
have a nice day 
3 0
4 years ago
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