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2 years ago

Please help I will give brainliest.

Mathematics

1 answer:

Colt1911 [192]2 years ago

6 0

Answer:

the answer is (x-1)^2=4

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What is the value of k in the equation?

RSB [31]

Answer:

k=67/1360

Step-by-step explanation: Step 1: Simplify both sides of the equation.

201=4080k

Step 2: Flip the equation.

4080k=201

Step 3: Divide both sides by 4080.

4080k

4080

201

4080

1360

Answer:

1360

3 0

3 years ago

Read 2 more answers

What is 935 38/92 rounded to the nearest ten?

allochka39001 [22]

93,538 / 92 rounded is 1,020

5 0

3 years ago

In this figure, sin(a) = 23

WITCHER [35]

$a$ and $b$ are complementary, or $b=\dfrac\pi2-a$ . So

$\cos b=\cos\left(\dfrac\pi2-a\right)=\sin a$

and so $\cos b=\dfrac23$ .

4 0

3 years ago

35 + (45+ 25) = (35 +45) +25 which property is this

Dafna1 [17]

Answer:

Associative Property

Step-by-step explanation:

Commutative: 35+(45+25) = (25+45)+35

Associative: 35+(45+25) = (35+45)+25

Distributive: cannot be done

hope this helps!

8 0

3 years ago

The length of a rectangle is four times its width. If the area of the rectangle is 324m^2, find its perimeter.

Anuta_ua [19.1K]

Answer:

$perimeter=90$

Step-by-step explanation:

We know that the length is four times the width, so:

$l=4w$

We also know the area, which is 324 m². The formula for area:

$A=l*w$

Insert the known values:

$324=(4w)*w$

Solve for w. Simplify by removing parentheses:

$324=4w*w\\324=4w^2$

Divide 4 from both sides to isolate the variable:

$\frac{324}{4}=\frac{4w^2}{4} \\\\81=w^2$

Find the square root of both sides:

$\sqrt{81} =\sqrt{w^2} \\\\w=9$

The width is 9 m.

We know the width. Now find the length by using the area formula and inserting known values:

$324=l*9$

Solve for l. Divide both sides by 9:

$\frac{324}{9}=\frac{l*9}{9}\\\\ l=36$

The length of the rectangle is 36. (You can check: 4 times 9 is 36)

Now find the perimeter:

$P=2l+2w$

Insert values:

$P=2(36)+2(9)\\\\P=72+18\\\\P=90$

The perimeter is 90 m.

5 0

3 years ago