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svp [43]
2 years ago
15

Find the area of the triangle. HELP PLEASEE ASAP !!

Mathematics
1 answer:
Aloiza [94]2 years ago
3 0

Answer:

- 25

Step-by-step explanation:

A= 0(4-0)+7(0-3)+4(3-4) = -25

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The entry fee at a small fair is $1.50 for children and $4.00 for adults. On a certain day, 2200 people enter the fair and $5000
Sauron [17]

Answer:

The number of children attended the fair is 1520.

Step-by-step explanation:

We are given the following in the question:

Entry fee foe children = $1.50

Entry fee foe adult = $4.00

Total number of people in fair = 2200

Total money collected = $5000

Let x be the number of children and y be the number of adults in the fair.

Then, we can write the following equations:

x + y = 2200\\1.5x + 4y = 5000

Solving the two equations, we have:

1.5x + 1.5y = 3300\\1.5x + 4y = 5000\\\Rightarrow 2.5y = 1700\\y = 680\\x = 2200-680 = 1520

Thus, there were 1520 children and 680 adults in the fair.

8 0
3 years ago
What is M angle FAD?
Kipish [7]

Answer:

m∠FAD=48°

Step-by-step explanation:

we know that

The<u><em> Perpendicular Bisector Theorem</em></u> states that: A radius that bisect a chord is perpendicular to the chord

we have

FD=DE

The radius AC bisect the chord FE

so

AC is perpendicular to FE

The triangle FAD is a right triangle

m∠FAD+m∠AFD=90° ---> by complementary angles in a right triangle

we have

m∠AFD=42°

substitute

m∠FAD+42°=90°

m∠FAD=90°-42°

m∠FAD=48°

6 0
3 years ago
Help me with this please:)​
lakkis [162]

9514 1404 393

Answer:

  • parallel: 5
  • perpendicular: -1/5

Step-by-step explanation:

The equation of the given line is written in "slope-intercept form":

  y = mx + b . . . . . . where m is the slope

Matching this form to the equation you have, you see that ...

  m = 5 . . . the slope of your given line.

__

A parallel line will have the same slope: 5.

__

A perpendicular line will have a slope that is the opposite reciprocal of this. The reciprocal of 5 is 1/5. The opposite of that is -1/5.

A perpendicular line will have a slope of -1/5.

3 0
3 years ago
Lisa cuts 3 grapefruit half has 8 segments.Write an expression that uses parentheses to group two factors.Solve. How many grapef
Art [367]
Ik the answer its 48 but idk his to explain it to u
5 0
4 years ago
Piper earned a grade of 57% on her multiple choice science final that had a total of 200 problems. How many problems on the fina
omeli [17]

Answer:

.57 x 200 = 114

Step-by-step explanation:

please mark brainliest

8 0
3 years ago
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