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3 years ago

15

Mr Grant needs 30 pieces of felt. He can buy them in packs of 10 or as single pieces. What are the different ways Mr Grant can b

uy felt?

2 answers:

True [87]3 years ago

6 0

Grant can buy 3 packes of the 10 or he can put 30 packs of the single pieces

Andrej [43]3 years ago

4 0

Grant can but 3 packs of 10, 30 single pieces, or 2 packs of 10 single pieces

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The sum of five more than a certain number and 10 more than twice the number is equal to the product of 2 and the number increas

d1i1m1o1n [39]

Answer:

No solution

Step-by-step explanation:

10+2x=2x+8

2x=2x-2

0≠-2

7 0

2 years ago

A student says that the algebraic expression 5 x 7 can also be written as 5 7x. is the student correct? explain.

ohaa [14]

Nahhhh
So basically WHERE DID THE x COME FROM anyway ???
5 * 7 = 35
but
IT DOES NOT EQUAL TO
57x
It might be true depending on what the x value is, but you dont know what the x value is so ...

8 0

3 years ago

Help me please!! I don’t know

VLD [36.1K]

Answer:

You have the right answer what do you need help with?

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Find the limit of the function by using direct substitution.

serg [7]

Answer:

Option a.

$\lim_{x \to \frac{\pi}{2}}(3e)^{xcosx}=1$

Step-by-step explanation:

You have the following limit:

$\lim_{x \to \frac{\pi}{2}{(3e)^{xcosx}$

The method of direct substitution consists of substituting the value of $\frac{\pi}{2}$ in the function and simplifying the expression obtained.

We then use this method to solve the limit by doing $x=\frac{\pi}{2}$

Therefore:

$\lim_{x \to \frac{\pi}{2}}{(3e)^{xcosx} = \lim_{x\to \frac{\pi}{2}}{(3e)^{\frac{\pi}{2}cos(\frac{\pi}{2})}$

$cos(\frac{\pi}{2})=0\\$

By definition, any number raised to exponent 0 is equal to 1

So

$\lim_{x\to \frac{\pi}{2}}{(3e)^{\frac{\pi}{2}cos(\frac{\pi}{2})} = \lim_{x\to \frac{\pi}{2}}{(3e)^{\frac{\pi}{2}(0)}\\\\$

$\lim_{x\to \frac{\pi}{2}}{(3e)^{0}} = 1$

Finally

$\lim_{x \to \frac{\pi}{2}}(3e)^{xcosx}=1$

6 0

3 years ago

10s^3 + 25s^2 +8s +20 factor this expression with work?

-Dominant- [34]

Factor 10s^3+25s^2+8s+20

(2s+5)(5s^2+4)

I hope that's help again !

5 0

2 years ago