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xeze [42]
3 years ago
13

What is expression equivalent to 23x

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
4 0

Answer:

23X

Step-by-step explanation:

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How to determine a perfect square trinomial
AfilCa [17]

Answer:

Check whether the first and last terms of the trinomial are perfect squares.

Multiply the roots of the first and third terms together.

Compare to the middle terms with the result in step two

If the first and last terms are perfect squares, and the middle term’s coefficient is twice the product of the square roots of the first and last terms

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
On the first day of travel, a driver was going at a speed of 40 mph. The next day, he increased the speed to 60 mph. If he drove
Fantom [35]

Let t become the time he spent commuting on the first day of his vacation.

It is then calculated as t + 2.

\to 40\times(t+2) = 60(t) + 20 \\\\\to 40t+80 = 60t + 20 \\\\\to 80-20 = 60t + 40t \\\\\to 60 = 20t  \\\\\to t=\frac{60}{20} \\\\\to t=\frac{6}{2} \\\\\to t= 3\\\\

It traveled 40\times (3 + 2) + 20 = 40\times 5 + 20 = 200+20=220 miles on its first day of operation.

The car traveled 180\ miles on the second day, which was 60 \ miles \times 3.

So,

Total mileage= first day traveled + second day traveled = 220+ 180= 400 \miles

Learn more:

Total distance traveled: brainly.ph/question/11690847

8 0
2 years ago
Helpppppppppppppppppppppp
olga nikolaevna [1]
Slope = change in y/change in x.

-2-0/2-1
-2/1
-2

Final answer: -2
7 0
2 years ago
You have $135 in a savings account and save $12 per week. Your friend has $95 in a savings account and saves $20 per week. How m
Wewaii [24]

Answer:

It will take 5 weeks for you and your friend to have the same balance

Step-by-step explanation:

Let

Your savings expression be

135 + 12x

Your friends savings expression

95 + 20x

Where,

x = number of weeks for you and your friend to have the same balance

Equate the two expressions

135 + 12x = 95 + 20x

Collect like terms

135 - 95 = 20x - 12x

40 = 8x

Divide both sides by 8

40/8 = x

x = 40/8

= 5

x= 5 weeks

Check

Your savings expression

135 + 12x

135 + 12(5)

=135 + 60

= $195

Your friends savings expression

95 + 20x

95 + 20(5)

= 95 + 100

= $195

Therefore, It will take 5 weeks for you and your friend to have the same balance

5 0
3 years ago
A.Solve for x. Then, using that information, find the measure of
Vedmedyk [2.9K]

Answer:

See answers below

Step-by-step explanation:

Since both trinagles asre similar hence the ratio of the similar sides are equal.

From both triangles;

y + 7 = 3y - 7

y - 3y = -7-7

-2y = -14

y = 14/2

y = 7

FE = 3y - 17

FE = 3(7) - 17

FE = 21 - 17

FE = 4

AB = y'+7

AB = 7 + 7

AB = 14

Similarly

3x+20 = 5x - 80

3x -5x = -80-20

-2x = -100

x = 100/2

x = 50

<A = 3x + 20

<A = 3(50) + 20

<A = 150 + 20

<A = 170degrees

Hence x= 50 and y = 7

8 0
2 years ago
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