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3 years ago

50 points!!!!!!!!!!!!!! please help

Mathematics

2 answers:

notsponge [240]3 years ago

6 0

Step-by-step explanation:

Suggesting a larger pupil to create emphasis

Suggesting a smaller pupil to create emphasis

romanna [79]3 years ago

4 0

$\boxed{\large{\bold{\blue{ANSWER~:) }}}}$

Constructive criticism is a helpful way of giving feedback that provides specific, actionable suggestions. Rather than providing general advice, constructive criticism gives specific recommendations on how to make positive improvements. Constructive criticism is clear, to the point and easy to put into action.

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On a bicycle trail, the city is painting arrows like the one shown below: Upper pointing arrow with height of 15 and length of 1

Luden [163]

Answer:

229.5 $cm^{2}$

Step-by-step explanation:

In order to calculate the area of the arrow we need to calculate the area of the body of the arrow, and then the head of the arrow. The body of the arrow is a rectangle meaning that the area (Ar) can be calculated by multiplying the length by the height like so...

Ar = l * h

Ar = 11cm * 12cm

Ar = 132 $cm^{2}$

Now we need to find the area of the head of the arrow, which is a triangle and therefore we can use the formula for the area of a triangle (At) which is height times base divided by 2...

At = $\frac{h * b}{2}$

At = $\frac{15cm * 13cm}{2}$

At = $\frac{195cm^{2} }{2}$

At = 97.5 $cm^{2}$

Now we simply add both areas together to calculate the total area of the arrow...

132 $cm^{2}$ + 97.5 $cm^{2}$ = 229.5 $cm^{2}$

6 0

3 years ago

Read 2 more answers

Laura walked 612 laps of a circular path in 2 hours. At that rate, how many laps of the path did she walk in one hour?

kari74 [83]

Answer:

306 laps

Step-by-step explanation:

If Laura walked 612 laps in 2 hours then if you divide 2 by 2 then it will give you 1, which is 1 hour. This means that if you divide 612 by 2, it should give you the answer of 306, the amount of laps in 1 hour. I hope this helps!

8 0

3 years ago

HELP ON A TEST

Strike441 [17]

First three. A, b, c.
The triangle is a right triangle.
The triangle is a Pythagorean triple.
The triangles hypotenuse is 39 inches.

7 0

3 years ago

What are the correct steps for solving the following equation: 5x - = 21

ololo11 [35]

Answer:

x = -21/5 = -4.200

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

1/2 + n = 0, 2/3 + n = 0 And explain

Zepler [3.9K]

So we can subsitute since they all equatl zero
1/2+n=0=2/3+n
1/2+n=2/3+n
subtract n from both sides
1/2=2/3
false statement
therefor there is no solution

4 0

4 years ago