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Gnesinka [82]
3 years ago
13

2x^2 + 3x - 7 = ? x =2 Please solve in the right order PEMDAS

Mathematics
2 answers:
alekssr [168]3 years ago
4 0
The answer would be 7
2(2)^2+3(2)-7=7
2(4)+3(2)-7=7
8+6-7=7
posledela3 years ago
3 0

Answer:

7

Step-by-step explanation:

2 {x}^{2}  + 3x - 7 \\  \\  2.({2})^{2}  + 3.2 - 7 \\  \\ 8 + 6 - 7 \\  \\ 14 - 7 \\  \\ 7

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If question 7, how do you solve for the angles
ladessa [460]
ABC is same as FDE
so AC = FE  = 5ft
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8 0
3 years ago
A snail traveled 150 feet per hour. How far would he travel in 45 minutes?
Nuetrik [128]

Answer:

112.5 which is 113

Step-by-step explanation:

150 divided by 60= 2.5

2.5 times 45=112.5

3 0
3 years ago
a test has 20 multiple-choice questions with 5 choices each, followed by 35 true/false questions. if a student guesses on each q
Nuetrik [128]

Answer

There are 170 ways the student can answer the test.

Explanation

If there are 20 multiple-choice questions with 5 choices each, the student has 100 choices. The first question has 5 choices to pick from. The second has 5 as well. So does the third. Hopefully now you realize that you have to multiply the number of choices by the number of questions.

The same thing goes with the true/false questions. There are 2 choices for each true/false question, and there are 35 of those. 35×2 is 70. There are 70 ways to answer on the true/false questions.

Now combine the number of choices on the first part and the second part; 100+70 is 170.

3 0
3 years ago
Five tickets to a baseball game cost 60 dollars how much does 2 tickets cost
LUCKY_DIMON [66]

Five divided by sixty is twelve, and twelve times two is twenty-four. So your answer will be twenty-four (24).

4 0
3 years ago
Read 2 more answers
Pls help I'm bad at math v.v<br><br> Lines m and n are parallel.
Eva8 [605]

Answer:

The measure of angle 1 is 55.

Step-by-step explanation:

The top angle= 75 because of the vertical angle theorem

The right angle= 50 because of the alternate exterior angle theorem

75+50=125

There are 180 degrees in a triangle so the angle has to equal 55

5 0
3 years ago
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