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inessss [21]
3 years ago
9

What is (14 x 20) + (45 - 8) I will give 15 points

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
7 0

Answer:

280x + 37

Step-by-step explanation:

You might be interested in
How can I write 1/27 as an expression without using a fraction bar?​
N76 [4]

Answer:

1÷27

Step-by-step explanation:

the fraction bar just means to divide so 3/4 is 3÷4

4 0
3 years ago
What could be the value of x in the equation x/2+ 15 =64
sveticcg [70]

Answer:

x = 98

Step-by-step explanation:

\frac{x}{2} + 15 = 64 ( subtract 15 from both sides )

\frac{x}{2} = 49 ( multiply both sides by 2 to clear the fraction )

x = 98

6 0
3 years ago
If z^2 1/z^2= 34 find the value of z^3 1/z^3 , using only the positive value of z 1/z
natima [27]
Hello,

Let's assume

u=z+ \dfrac{1}{z} \\

u^2=(z+ \dfrac{1}{z} )^2=z^2+2*z* \dfrac{1}{z} + \dfrac{1}{z^2} =34+2=36\\
==\ \textgreater \  \ u=6\\

(z+ \dfrac{1}{z} )^3=(z+ \dfrac{1}{z} )(z^2+z* \frac{1}{z} + \frac{1}{z^2} )\\

=6*(34+1)=210

4 0
4 years ago
Can someone please explain how to do this? 50 points
DENIUS [597]
What are you trying to figure out ???
3 0
3 years ago
For every 1 litre of water used to make a medicine, 269ml of sucrose and 47ml of saline solution are used. Express the amount of
leonid [27]

Answer:

1000 : 269 : 47

Step-by-step explanation:

A ratio is a way of comparing the value or amount of one quantity to another.

We are to find the ration of water to sucrose to saline solution, hence, it must remain in that order.

Water : Sucrose : Saline solution

The amount of water is 1 litre (1 * 1000 ml = 1000 ml)

The amount of sucrose is 269 ml

The amount of saline solution is 47 ml

Therefore, the ratio of water to sucrose to saline solution is:

W : S : SS = 1000 : 269 : 47

Since 1000, 269 and 47 have no common factors, that is the simplest form of the ratio.

3 0
3 years ago
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