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ruslelena [56]
3 years ago
11

Help possssssssssssssssss

Mathematics
1 answer:
kolbaska11 [484]3 years ago
7 0

Answer:

B

Step-by-step explanation:

4^(-3-1)5^(4-2) = 4^(-4)5^2 = 5^2/4^4

Answer: B

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If 15% of a number is 24 and 80% of the same number is 128, find 95% of that number.
IceJOKER [234]

Answer:

It is 152

Step-by-step explanation:

I hope this helped

6 0
3 years ago
What is the total surface area of a right rectangular prism with a base of 2 cm by 3 cm and a height of 6 cm? A) 13 cm2. B) 72 c
Stolb23 [73]
 (L · W · 2) + (perimeter of the base · height). For this prism, that's (2 cm · 3 cm · 2) + (2 cm + 2 cm + 3 cm + 3 cm) · 6 cm. This is (12 cm2) + (10 cm · 6 cm) = <span>72 cm2.</span>
3 0
3 years ago
Read 2 more answers
Solving equations-variables on both sides!
Lesechka [4]

Answer:

no solution !

Step-by-step explanation:

because when you do the solving steps:

Distributative Property

combine like terms

    x goes away bc you subtract 3x from 3x

  therefor NO solution

Hope this helps ;)

8 0
3 years ago
Round to the nearest tenth 2.8151
Paraphin [41]
._ is the tenths place . Therefore the answer is 2.8
5 0
3 years ago
Consider the initial value problem:
Inessa [10]

Answer:

\left \{ {{u'=v} \atop {v'=5v-6u-5\sin(2t)}} \right. \\u(0)=-5;u'(0)=2

Step-by-step explanation:

The given initial value problem is;

y''-5y'+6y=-5\sin(2t)---(1)\\y(0)=-5,y'(0)=2

Let

u(t)=y(t)----(2)\\v(t)=y'(t)----(3)

Differentiating both sides of equation (1) with respect to t, we obtain:

u'(t)=y'(t)---(4)\\ \\\implies u'(t)=v(t)---(5)

Differentiating both sides of equation (2) with respect to t gives:

v'(t)=y''(t)----(6)

From equation (1),

y''=5y'-6y-5\sin(2t)\\y''=5v(t)-6u(t)-5\sin(2t)\\\implies v'(t)=5v(t)-6u(t)-5\sin(2t)----(7)

Putting t=0 into equation (2) yields

u(0)=y(0)\\\implies u(0)=-5

Also putting t=0 into equation (3)

u'(0)=y'(0)\\u'(0)=2

The system of first order equations is:

\left \{ {{u'=v} \atop {v'=5v-6u-5\sin(2t)}} \right. \\u(0)=-5;u'(0)=2

3 0
3 years ago
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