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IRISSAK [1]
3 years ago
14

Please help me with this ASAP ASAP please please help

Mathematics
1 answer:
kykrilka [37]3 years ago
6 0

Answer:

4ㅈr² is formula

so

4 × ㅈ× (16)²

= 1024ㅈ cm²

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Simplify each expression. Assume that all variables are positive. (81^ 1/4)^ 4
Gala2k [10]

The simplification of the expression (81^ 1/4)^ 4  is 81.

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

(a^m)^n = a^(m\timesn)   -----------(1)

From the expression (81^ 1/4)^ 4,

a = 81

m = 1/4

n = 4

Substitute the above values in (1),

(81^ 1/4)^ 4 = 81^(1/4 \times 4)

(81^ 1/4)^ 4 = 81^(1)

The simplification of the expression is 81.

3 0
4 years ago
Solve the System of Equations
Softa [21]

<u>Answer: </u>

The ordered pair value of (x, y) is (6,-11)

<u>Solution: </u>

Given Equations are

Let 8x + 15y = -117 be Equation 1 and 4x + 9y=-75 be Equation 2.

Solving Equations 1 and 2 to get the value of x and y.

Multiply Equation 2 with 4.

16x + 36y = -300

On dividing the above expression by 2, we get

8x + 18y = -150 (Change the sign to get the value of y).  

-8x - 18y = 150 --- eqn 3

Now solving eqn 1 and eqn 3

8x + 15y = -117

-8x - 18y = 150  

By cancelling 8x and -8x in eqn 1 and eqn 3

-3y = 33    

 y = -11

Substitute the value y in Equation 2.

4x + 9 (-11) = -75

4x – 99 = - 75

4x= -75 +99

4x = 24

x=6

Hence the value of x and y is (6,-11).

3 0
4 years ago
(x+7)(2x+1)=7 solve by using quadratic formula
Olenka [21]
I believe it is x= 7, -2
8 0
3 years ago
What is t in t/3 = 4/9?
SCORPION-xisa [38]

Answer:

t =  \frac{4}{3}

Step-by-step explanation:

1) Multiply both sides by 3.

t =  \frac{4}{9}  \times 3

2) Use this rule: a/b × c = ac/b.

t =  \frac{4  \times 3}{9}

3) Simplify 4 × 3 to 12.

t =  \frac{12}{9}

4) Simplify 12/9 to 4/3.

t =  \frac{4}{3}

Therefor, the answer is, t = 4/3.

and in decimal form it would be, 1.333333.

7 0
3 years ago
Any help, please :)
Nataly_w [17]

Answer:

y=x+6

Step-by-step explanation:

slope is 1

y intercept is 6

3 0
3 years ago
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