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4 years ago

What could equal 16 if your x4

Mathematics

2 answers:

aliina [53]4 years ago

6 0

Answer:if you’re saying what multiplied by 4 equals 16 is 4.

Step-by-step explanation:

Doss [256]4 years ago

3 0

Answer:

i think u are saying this

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A club swimming pool is 21ft wide and 41ft long. The club members want a uniform width border around the pool. They have enough

oksano4ka [1.4K]

Answer-

Strip with 2.13 ft width can be used.

Solution-

A club swimming pool is 21 ft wide and 41 ft long.

Hence, the perimeter of the swimming pool is

$P=2(\text{Length}+\text{Width})=2(41+21)=2(62)=124\ ft$

The club members want a uniform width border around the pool.

They have enough material for 264 ft²

As they will cover the perimeter of the rectangular pool, so the length of the total used strip is equal to the perimeter of the swimming pool.

Let the width of the strip is x ft

So, the total area of the used strip is,

$A=\text{Length}\times \text{Width}$

Putting the values,

$\Rightarrow 264=124\times x$

$\Rightarrow x=\dfrac{264}{124}$

$\Rightarrow x=2.13\ ft$

Therefore, strip with 2.13 ft width can be used.

4 0

3 years ago

Remove the brackets and simplify

Komok [63]

Answer:

$5x - 7 {x}^{2} - {(2x)}^{2} \\ = ( {2}^{2} {x}^{2} ) - 7 {x}^{2} + 5x \\ = 4 {x}^{2} - 7 {x}^{2} + 5x \\ = x(4x - 7x + 5) \\ = x( 5 - 3x) \\ = { \underline{ \underline{ \: \: 5x - 3 {x}^{2} \: \: }}}$

7 0

3 years ago

Read 2 more answers

Ying eats some yoghurt. The yoghurt contains 192 mg of calcium. This is 16% of the total amount of calcium that Ying should have

nikitadnepr [17]

Answer:

1200 mg

Step-by-step explanation:

16% = .16

.16x = 192

x =(192/.16)

x = 1200mg

4 0

3 years ago

Read 2 more answers

Y = −3x x + y = −4 Solution system

Verizon [17]

Answer:

Step-by-step explanation:

Y = - 3x. Equation 1

x + y = - 4 equation 2

Putting value of y

x + (-3x) = - 4

x - 3x = - 4

-2x = - 4

x = - 4/-2 = 2

Putting value of x in the equation 1

Y = - 3(2)

Y = - 6

7 0

3 years ago

On a coordinate grid, both point (−4, −1) and (2, 6) point are reflected across the y-axis. What are the coordinates of the refl

vichka [17]

The reflected points are (4, -1) and (-2, 6).

4 0

4 years ago