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3 years ago

Write an algebraic expression that represents 9 less than 19 times a number

1 answer:

8 0

The expression would be 19x-9. The reason is because if you think about it, it says that there is 9 less than 19x (x would be the unknown number) I hope this helps! ^-^

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Resiprocal of (-3/7)^2!

USPshnik [31]

Answer:

$\frac{49}{9}$

Step-by-step explanation:

Given

$(\frac{-3}{7})^{2!}$

Required

Determine the reciprocal

If a number is x, the reciprocal is: 1/x

So, the reciprocal of $(\frac{-3}{7})^{2!}$ is:

$\frac{1}{(\frac{-3}{7})^{2!}}$

$2! = 2*1 =2$

So, we have:

$\frac{1}{(\frac{-3}{7})^{2}}$

$\frac{1}{(\frac{-3^{2}}{7^{2}})}$

Evaluate all exponents

$\frac{1}{(\frac{9}{49})}$

Take inverse of 9/49

$\frac{49}{9}$

Hence, the reciprocal of $(\frac{-3}{7})^{2!}$ is $\frac{49}{9}$

5 0

3 years ago

Solve this inequality for x

r-ruslan [8.4K]

x _> 65/3

hope that helps!

4 0

3 years ago

1. Find the perimeter of<br>15 cm<br>10 cm<br>18 cm

xz_007 [3.2K]

It’s 43 cm because you add all the sides

8 0

3 years ago

Read 2 more answers

What value must be defined for to remove the discontinuity of this function at ?

olchik [2.2K]

Answer:

Option D. 8

Step-by-step explanation:

we have

$f(x)=\frac{x^{2}-16 }{x-4}$

Remember that

$x^{2}-16 =(x+4)(x-4)$

substitute

$f(x)=\frac{(x+4)(x-4)}{x-4}$

Remove the discontinuity at x=4

Simplify

$f(x)=(x+4)$

Find the value of f(4)

For x=4

$f(4)=(4+4)=8$

4 0

3 years ago

A recipe calls for 4 tbsp of baking soda and 1 fl oz which is greater

NemiM [27]

Four tablespoons is equal to 2 Fluid Ounces so there is more Baking soda.

8 0

3 years ago