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Dovator [93]
3 years ago
14

A squared+ b squared=????​

Mathematics
1 answer:
Degger [83]3 years ago
4 0

Answer:

<h2>a × a + b × b</h2>

<u>Step-by-step explanation:</u>

= a² + b²

= a × a + b × b

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A mirror frame in the shape of an oval is shown below. The ends of the frame form semicircles:
Kruka [31]
You need to add up three things:
- two sides of 60" each (60*2=120")
- the perimeter of the upper semicircle (3.14*27/2=42.412")
- the perimeter of the lower semicircle (3.14*27/2=42.412")

After addition:
120+42.412+42.412=204.823"


I hope you got the idea!








3 0
3 years ago
Can someone explain to me what it means to be marked as branliest? &amp; what it does ?
artcher [175]

<em>Honestly, for me, it just provides bragging rights. Also, I guess it makes you feel better about getting your rank higher. </em>(~ ̄▽ ̄)~

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7 0
2 years ago
A town has a population of 12000 and grows at 4% every year. To the nearest tenth of a year, how long will it be until the popul
ch4aika [34]

Answer:

  11.0 years

Step-by-step explanation:

The exponential function describing the population growth can be written ...

  population = (initial population)×(1 +growth rate)^years

If t represents the number of years, we can fill in the values to get ...

  18500 = 12000×1.04^t

Dividing by 12000 gives ...

  18500/12000 = 1.04^t

Taking logarithms, we have ...

  log(18500/12000) = t×log(1.04)

  t = log(185/120)/log(1.04) ≈ 11.037 ≈ 11.0

It will be 11.0 years until the population reaches 18,500.

7 0
3 years ago
How do you write the sum of one-sixth of n and one-fifth of g
kati45 [8]

Answer: \frac{n}{6}+\frac{g}{5}

Step-by-step explanation:

One-sixth of n is n/6.

One-fifth of g is g/5.

The sum means to add, so the expression is \frac{n}{6}+\frac{g}{5}.

8 0
1 year ago
The Frosty Ice-Cream Shop sells sundaes for $2 and banana splits for $3. On a hot summer day, the shop sold 8 more sundaes than
svlad2 [7]

The shop sold 36 sundaes and 28 banana spilts

<em><u>Solution:</u></em>

Let "a" be the number of sundaes sold

Let "b" be the number of banana spilts sold

Cost of 1 sundaes = $ 2

Cost of 1 banana spilt = $ 3

<em><u>On a hot summer day, the shop sold 8 more sundaes than banana splits and made $156</u></em>

Therefore,

Number of sundaes sold = 8 + number of banana spilts sold

a = 8 + b ------- eqn 1

<em><u>Also, given that they made $ 156</u></em>

<em><u>Therefore, we frame a equation as</u></em>:

Number of sundaes sold x Cost of 1 sundaes + number of banana spilts sold x Cost of 1 banana spilt = 156

a \times 2+b \times 3 = 156

2a + 3b = 156 ---------- eqn 2

<em><u>Substitute eqn 1 into eqn 2</u></em>

2(8 + b) + 3b = 156

16 + 2b + 3b = 156

16 + 5b = 156

5b = 156 - 16

5b = 140

<h3>b = 28</h3>

<em><u>Substitute b = 28 in eqn 1</u></em>

a = 8 + 28

<h3>a = 36</h3>

Thus the shop sold 36 sundaes and 28 banana spilts

4 0
3 years ago
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