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Ipatiy [6.2K]
3 years ago
8

The graph below shows the elevation of three submarines during their first four minutes depending into the water which statement

is true?

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
8 0

Answer:

ANSWER IS A I THINK

Step-by-step explanation:

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Sofia tem 52 triângulos retângulos isósceles iguais. Ela quer fazer quadrados usando alguns desses triângulos. Ela pode fazer qu
oee [108]

Answer:

Portanto, o Sofia pode fazer 6 tamanhos diferentes

Step-by-step explanation:

A fim de sermos capazes de determinar efetivamente quantos quadrados de diferentes tamanhos podem ser formados a partir do triângulo isósceles 52, resolvemos isso usando a fórmula

2 (n + 1) Onde n = 0 e todos os inteiros positivos

em outro para obter um tamanho diferente para os quadrados, temos que adicionar mais triângulos para aumentar o tamanho

a) quando n = 0

2 (0 + 1) = 2 × 1 = 2 triângulos isósceles iguais

A união de 2 triângulos isósceles forma um quadrado. Este é o primeiro quadrado

= 1 quadrado

b) quando n = 1

2 (1 + 1) = 2 × 2 = 4 triângulos isósceles iguais = 1 quadrado

c) quando n = 2

2 (2 + 1) = 2 × 3 = 6 triângulos isósceles iguais = 1 quadrado

d) quando n = 3

2 (3 + 1) = 2 × 4 = 8 triângulos isósceles iguais = 1 quadrado

e) quando n = 4

2 (4 + 1) = 2 × 5 = 10 triângulos isósceles iguais = 1 quadrado

f) quando n = 5

2 (5 + 1) = 2 × 6 = 12 triângulos isósceles iguais = 1 quadrado

Adicionamos o número total de triângulos usados

2 + 4 + 6 + 8 + 10 + 12 = 42 triângulos

42 triângulos de 52 triângulos formariam 6 quadrados com tamanhos diferentes

Vamos fazer mais um, onde n = 6

g) quando n = 6

2 (6 + 1) = 2 × 7 = 14 triângulos isósceles iguais = 1 quadrado

2 + 4 + 6 + 8 + 10 + 12 + 14 = 56 triângulos

Isso já excedeu o número dado de triângulos em questão.

Portanto, o Sofia pode fazer 6 tamanhos diferentes de quadrados usando 42 triângulos isósceles iguais

8 0
3 years ago
Solve and express to the lowest term 3 1/2 x 2 1/3 = ?
Rina8888 [55]

Answer:

8 \frac{1}{6}

Step-by-step explanation:

3 \frac{1}{2} × 2 \frac{1}{3} ( change to improper fractions )

= \frac{7}{2} × \frac{7}{3} ( multiply numerators and denominators )

= \frac{7(7)}{2(3)}

= \frac{49}{6}

= 8 \frac{1}{6}

4 0
2 years ago
Read 2 more answers
HELP I WILL GIVE BRAINLIEST
Maksim231197 [3]

Answer: D

Step-by-step explanation:

-4 < -w

w > -4

Since it doesn't have an equal sign, its an open circle. Since its greater than -4, it is going to the right, so shade right.

Answer is D

3 0
3 years ago
30<br> Solve by elimination:<br> 2x - 3y = -6<br> -2x - 2y = 26 ,
Arturiano [62]

Answer:

x=-9,y=-4

Step-by-step explanation:

2x-3y=-6...(1)

-2x-2y=26...(2)

To solve we will have to eliminate one of the given variables, the variable to be eliminated is x

And it can be done by adding up (1) and (2)

It gives

-5y=20

Divide both sides by-5

y=-4

Then substitute the value of y into (1)

2x-3(-4)=-6

2x+12=-6

Substrate 12 from both sides

2x=-18

Divide both sides by 2

x=-9

Therefore x gives -9 and y gives-4

5 0
3 years ago
Solve <br><br> 9(a + 2b) + c <br><br> a = 3 <br> b = 2<br> c = 1
swat32

Answer:

64

Step-by-step explanation:

Step 1: Define

9(a + 2b) + c

a = 3

b = 2

c = 1

Step 2: Substitute and Evaluate

9(3 + 2(2)) + 1

9(3 + 4) + 1

9(7) + 1

63 + 1

64

4 0
3 years ago
Read 2 more answers
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