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Romashka [77]
3 years ago
10

Need help with this today

Mathematics
1 answer:
madam [21]3 years ago
5 0

Answer:

a) 2.5

b) x = 10

Step-by-step explanation:

a) \:  \frac{10}{4}  =  \frac{5}{2}  = 2.5

b) \frac{10}{4}  =  \frac{25}{x}   \\  \\ 10x = 25 \times 4 \\ 10x = 100 \\  \\ x =  \frac{100}{10}  = 10 \\  \\ x = 10

I hope I helped you^_^

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A round cake has a diameter of 30 cm. Angela places the cake on a circular cake board with a diameter 5 cm
matrenka [14]

Answer: Circumference of cake board is 35π cm.

Step-by-step explanation:Since we have given that

Diameter of a round cake = 30 cm

Diameter of a cake board is 5 cm longer than the diameter of a round cake.

So, Diameter of a cake board = 30+5=35 cm

So, radius of a cake board will be

As we know the formula for " Circumference of Circle ":

So, According to question, we get,

Hence, Circumference of cake board is 35π cm.

6 0
3 years ago
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How Many Minutes?pls help me.
Ugo [173]

Answer:

1/2 t + 9

10.25 = 1/2 t + 9

1.25 = 1/2 t

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Answer: 2.5 minutes

8 0
3 years ago
You decide to build a sidewalk from your house to your garage. In order to do this, you must make the dog pen smaller. Dog Pen G
IRINA_888 [86]

Answer:

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6 0
3 years ago
Find x on this special right triangle
tigry1 [53]

Answer:

The answer is 7

Step-by-step explanation:

We know than Tan45=1

Tanx=opp/adj

tan45=y/(7\sqrt{2})/2

Thus y=7\sqrt{2}/2

We know by pythagoras theorem that hyp^2=side^2+side^2

x^{2}=((7\sqrt{2} /2)^{2}+(7\sqrt{2}/2)^{2}

x^{2}=(49(2)/4)+(49(2)/4)

x^{2}=(49/2)+(49/2)

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6 0
3 years ago
Please help this is very easy!!!!!!!
Anuta_ua [19.1K]

Answer:

I believe option D is the answer

5 0
3 years ago
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