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3 years ago

What is the perimeter of a rectangle with a length of 23 mm and a width of 26mm

Mathematics

1 answer:

NISA [10]3 years ago

4 0

Answer:98mm

Step-by-step explanation:

You add the length and width together and then multiply by 2

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Sajia has 30 Books in her library. she sold 9 books at the thrift store on Saturday. Write and solve and inequality to determine

ELEN [110]

Sajia can sell 21 books she can sell if she comes back on sunday and the required inequality is $9 + x \leq 30$

Solution:

Given that Sajia has 30 Books in her library

She sold 9 books at the thrift store on Saturday

To find: We have to write and solve an inequality to determine number of more books she can sell if she comes back on sunday

Let "x" be the number of more books she can sell if she comes back on sunday

We can write a inequality as:

$\text{ books already sold } + \text{ number of books remaining } \leq \text{ total number of books she has }$

$9 + x \leq 30$

Now moving 9 from L.H.S to R.H.S we get,

$x \leq 30 - 9$

On solving 30 - 9 = 21,

$x \leq 21$

So Sajia can sell 21 books she can sell if she comes back on sunday

6 0

3 years ago

Find the 14th term of the sequence using the explicit rule:

Vesna [10]

Plug n = 14 into the formula

= -5(14) + 90
= -70 + 90 = 20

5 0

3 years ago

1. You deposit $1,000 in the bank when your son is born. If the money earns 5% interest,

sergejj [24]

Answer:

$2,406.62

Step-by-step explanation:

5 0

2 years ago

What is the better estimate of a text book ?

Dmitry_Shevchenko [17]

The answer is one kilogram. one kilogram is about the same as 2 pounds, while one gram is less than an ounce.

Hope this helps!

4 0

3 years ago

Simplify the expression given below 1/2x^2-4x-2/x

Alex787 [66]

Answer:

We need to simplify the following expressio:

$\frac{1}{2} x^{2}- 4x-\frac{2}{x}$

Multiply the whole expression by '2x':

$x^{3}-8x^{2}-4$

The expression can't be more simplified.

7 0

3 years ago