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Otrada [13]
2 years ago
6

I need help pls :((((((

Mathematics
1 answer:
Elodia [21]2 years ago
6 0

Answer:

Step-by-step explanation:

for the first one scale by 2 and the second one scale by 1/2 (the easiest ones)

sides would be 20,12,16 for the first one and 5,3,4 for the second one

1 keeps the tri the same size because your muti0lyong by one

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(88888888) (567854326)?
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The answer is 93692843993747338
3 0
3 years ago
The diameter of a circle is 20m <br> Find the circumference to the nearest tenth
Mnenie [13.5K]

Answer:

C = 62.8 m

Step-by-step explanation:

The circumference formula is C = πd.

Here d = 20 m.  Therefore, the circumference of this circle is C = (20 m)π.

To the nearest 10th, we round off C = (20 m)(3.14159) = C = 62.8 m

8 0
3 years ago
Which problem is best modeled by the equation 3 +8=n?
Irina18 [472]

Answer:

i would say the one about joes math class because the cantaloupes uses multiplication, the basketball one is idek and the last one is division. joe's is the best answer

Step-by-step explanation:

6 0
3 years ago
Solve the System of Equations
soldi70 [24.7K]

Answer:

Equations: x+y=80\,,\,2x+4y=216\,\,

number of chickens = 52

number of goats = 28

Step-by-step explanation:

Given: A small ranch has chickens and goats

Total number of heads = 80

Total number of legs = 216

To find: number of chickens and goats

To draw: the graph

Solution:

Let x denotes number of chickens and y denotes number of goats.

According to the question,

x+y=80\,\,(i)\\2x+4y=216\,\,(ii)

From (i), put x=80-y in (ii)

2(80-y)+4y=216\\160-2y+4y=216\\2y=216-180\\2y=56\\y=\frac{56}{2}=28

Put y=28 in equation (i)

x+28=80\\x=80-28=52

So,

number of chickens = 52

number of goats = 28

Download pptx
6 0
3 years ago
What is the area of this trapezoid? Enter your answer in the box.
olga2289 [7]
The formula for area of a trapezoid is
\frac{(b1 + b2) \times h}{2}
so you add up the bottom base (17) and the top base (3) to get 20.
you then take the sum of the bases (20) times the height (8) to get 160.
lastly, you take 160 ÷ 2 to get your final answer, which is 80 (:
4 0
3 years ago
Read 2 more answers
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