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crimeas [40]
3 years ago
15

Pleaseeeehow can I do it??

Mathematics
1 answer:
Otrada [13]3 years ago
3 0
7^x+49^{ \frac{x}{2} }=2\cdot  \sqrt[5]{343} \\  \\  7^x+(7^2)^{ \frac{x}{2} }=2\cdot  \sqrt[5]{7^3} \\  \\7^x+ 7^x=2\cdot 7^{ \frac{3}{5} }  \\\\ 2 \cdot 7^x=2\cdot 7^{ \frac{3}{5} } \ \ \ | \div2 \\  \\ 7^x=7^{ \frac{3}{5} }  \\  \\ x= \frac{3}{5}
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Consider the equation 1.5 x plus 4.5 y equals 18.
Otrada [13]
1.5x will be the very answer
6 0
3 years ago
if one Circle has a diameter of 10 cm and a second Circle has a diameter of 20 cm what is the ratio of the area of the larger ci
Oxana [17]
Area of a circle is πr^2.

The radius of the smaller circle with diameter 10 cm is 5 cm.

The radius of the larger circle with diameter 20 cm.is 10 cm.

Area of larger circle : Area of smaller circle

Area of larger circle = 100π.

Area of smaller circle = 25π.

Ratio = 100π : 25π or 100π/25π.

7 0
3 years ago
Complete the following invoice for upholstery fabric.
Degger [83]

Answer:

a) $49.48

b) $220921.91

Step-by-step explanation:

(a) 4 yd @ $12.37 per yd = 4 x $12.37 = $49.48

(b) 271 yd @ 815.21 per yd = 271 x $815.21 = $220921.91

(c) 20% yd @ $4.95 per yd : Here the nunber of yards are missing. Hence could not be answer . However if number of yards is x . The answer would be

20% of 4.95x

(20%=0.20)

0.20 × 4.95x

8 0
3 years ago
Blti número de dias que ha trabajado pedro es 4 veces el número de días que ha trabajado Enrique. Si pedro hubiera trabajado 15
-BARSIC- [3]

Answer:

same I dont know your language

Step-by-step explanation:

7 0
3 years ago
Solve for t. (Answer must be completely simplified)<br> 10t=11
AlexFokin [52]

Answer:

T can be equal to 1 1/10 or 1.1 or 11/10

Step-by-step explanation:

10t=11

So divide by 10 on both sides.

t=11/10 which can be simplified to t=1 1/10 or t=1.1

:)

4 0
3 years ago
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