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Scilla [17]
3 years ago
7

Add the two expressions. 3z−4 and 2z + 5 Enter your answer in the box.

Mathematics
2 answers:
Genrish500 [490]3 years ago
5 0
The correct answer to this solution 5z+1! add 3 and 5 then add 5 to -4
frosja888 [35]3 years ago
3 0
Your answer is 5z+1 (wink) ;D
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Sarah is going on a trip. she drives for 2 hours and 20 minutes, rests for 25 minutes and drives for another 2 hours and 40 minu
kow [346]

Answer:...,,,.

Step-by-step explanation:.....,l,,

4 0
3 years ago
In pauls bicycle shop, 40 bicycles are inspected. If 20 needed new tires and 30 needed gear reports, answer the following: a) wh
Arisa [49]
<span>There are three possibilities. 1. Of the 30 bikes that needed gear repairs, 20 also needed tires. 2. Of the 30 bikes that needed gear repairs, 10 also needed tires. 3. Of the 30 bikes that needed gear repairs, between 10 and 20 also needed tires.</span>
7 0
3 years ago
F(x) = 3(х + 2)<br> f(-3) =<br> о аз<br> Oь -7<br> Ос 7<br> W
choli [55]

Answer:

The value of f(-3) = -3

Step-by-step explanation:

It is given that f(x) = 3(x+2), in order to find f(-3), we have to substitute x = -3 into the function, f(x) :

f(x) = 3(x+2)

f(-3) = 3(-3+2)

= 3(-1)

= -3

5 0
3 years ago
Under which conditions does the molar volume of a gas decrease? A. at 273 K and at 2.0 atm. B. at 273 K and at 0.5 atm. C. at 40
Sloan [31]
We first assume that this gas is an ideal gas and we use the ideal gas equation to determine the answer. It is expressed as:

PV = nRT

Molar volume can be obtained from the equation by V/n.

V/n = RT/P

Therefore, the correct answer from the choices listed above is option A, <span>at 273 K and at 2.0 atm.</span>
7 0
3 years ago
Read 2 more answers
I need help on this and a few more i have been busy lately
BaLLatris [955]

Answer:

ok so we have to make it so we can get rid of one of the varibles by adding or subtracting

so lets multiply the first one by 4

120x+16y=4160

minus the second one so

108x=2160

divide by 108

x=20

then we just plug in

12(20)+16y=2000

240+16y=2000

-240

16y=1760

divide by 16

y=110

(20,110)

Hope This Helps!!!

8 0
3 years ago
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