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makvit [3.9K]
3 years ago
10

How this is so hard plz help me on this

Mathematics
1 answer:
omeli [17]3 years ago
3 0
5) EJ
6) EJF
7) BJA
8) JB
9) obtuse angle
10) right angle
11) AFB & BFC
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How many triangles of any size are there in a star?
noname [10]

There are many shapes of a star. It depends on the shape of the star. If you’re referring to this star, then the number of triangles is 5.

Hope this answers your question!

6 0
2 years ago
50 pounds to 35 pounds percent change
lakkis [162]
So change from 50 to 35
first find change
50-35=15
50=100%
15=x%
percent means parts out of 100

15 out of 50=x/100
15/50=x/100
30/100=x/100
30=x
the answer is 30% change
5 0
3 years ago
Cheddar cheese costs $4.25 per pound. Which equation best represents y, the total cost of x pounds of cheddar cheese?
SVETLANKA909090 [29]

Answer: c

Step-by-step explanation:

Because the total should be at the end plus how much pounds it is so c

6 0
3 years ago
If the circumference of a circle is about 15.4 cm, estimate to the nearest whole number the diameter of the circle
nasty-shy [4]

The nearest whole number the diameter of the circle is 5.0 cm.

<u>Given the following data:</u>

  • Circumference of a circle = 15.4 cm

To estimate to the nearest whole number the diameter of the circle:

In this exercise, you're required to solve for the diameter of a circle and round up its value to the nearest whole number.

<h3>How to calculate the circumference of a circle.</h3>

Mathematically, the circumference of a circle is given by the formula:

Circumference = \pi D

<u>Where:</u>

  • D is the diameter of a circle.

Making D the subject of formula, we have:

D =\frac{circumference}{\pi}

Substituting the given parameters into the formula, we have;

D =\frac{15.4}{3.142}

D = 4.90 cm

To the nearest whole number:

D = 4.90 ≈ 5.0 cm

Read more on circumference of a circle here: brainly.com/question/14478195

6 0
2 years ago
write the equation of the line passing through the point (2,4) and parallel to the line whose equation is y=x.
lys-0071 [83]
Y = x....same as y = 1x + 0......slope here is 1. A parallel line will have the same slope

y = mx + b
slope(m) = 1
(2,4)....x = 2 and y = 4
now we sub and find b, the y int
4 = 1(2) + b
4 = 2 + b
4 - 2 = b
2 = b

so ur parallel equation is : y = x + 2
7 0
3 years ago
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