3 years ago

What is the solution of the equation x2 + 8x = 4?

Mathematics

1 answer:

d1i1m1o1n [39]3 years ago

4 0

Answer:

hope this is correct

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Which can be used to solved the expression (r^-4)^3

Oksana_A [137]

Answer:

The expression is equal to 1 over 12 factors of r

Multiplying the exponents will create an equivalent expression.

Step-by-step explanation:

We are given the following in the question:

$(r^-^4)^3$

<h3>Properties of exponent: </h3>

$(x^m)^n=x^m^n$

$x^-^a=\frac{1}{x^a}$

Thus, we can simplify the given expression as:

$(r^-^4)^3$

= $r^-^1^2$

= $\frac{1}{r^1^2}$

Thus, the correct answer is:

Option 2) The expression is equal to 1 over 12 factors of r

Option 4) Multiplying the exponents will create an equivalent expression.

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3 years ago

David roller skates with a constant speed of 12kmh how far can he travel in 3 hours

Leona [35]

Answer:

Step-by-step explanation:

12 x 3 =36

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In Sarah‘s dance class 1/16 of the girls are also on the soccer team. what is the decimal form of this fraction

Alenkasestr [34]

Answer:0.0625

Step-by-step explanation:

5 0

3 years ago

Find the area of the following shape. Please show your work.

liq [111]

Answer: 7
1/2*3*3= 3
1/2*4*2= 4
4+3=7

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3 years ago

The perimeter of a rectangular field is 60ft and its width is 20ft find the area of this field

Gennadij [26K]

Perimeter of rectangle = 2( length +width)

given: Perimeter=60 ft and width=20 ft

plugging these values in the formula,

60=2(20+ length)

dividing both sides by 2

30=20+length

length =30-20=10

length is 10 feet

width is 20 feet

Area of rectangle is given by:

Area = l*w

Area = 10 *20 = 200 square feet

Answer : Area of rectangle is 200 square feet.

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3 years ago

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