All categories

2 years ago

28) Evaluate: -30 + m, if m=-15.

Mathematics

2 answers:

natali 33 [55]2 years ago

6 0

Answer:

-45

Step-by-step explanation:

-30+m if m is -15

first plug in -15 for m

-30+-15

now add

-45 should be what you get

BaLLatris [955]2 years ago

3 0

-45

because you plug -15 in your equation

-30+-15=-45

You might be interested in

Of 200 people surveyed, 80 percent own a cellular phone and 45 percent own a pager. If all 200 people surveyed own a cellular ph

Ksju [112]

Answer:Of 200 people surveyed, 80 percent own a cellular phone and 45 ... If all 200 people surveyed own a cellular phone, or a pager, or both, .... Percent of those surveyed either do not own a cellular phone = 80% - 25% = 55%

8 0

3 years ago

How many gallons each of 25 alcohol and 5 alcohol should be mixed to obtain 20 gal of 15 alcohol?

ehidna [41]

Question 1143037: How many gallons each of 25% alcohol and 5% alcohol should be mixed to obtain 20 gal of 16% alcohol? That equals 3.2 gallons pure, checks.

4 0

2 years ago

Can you show me the answer

nirvana33 [79]

Answer:

which answer?

Step-by-step explanation:

..........

5 0

2 years ago

Tell me something funny and I’ll mark you brainliest!

prohojiy [21]

Answer:

what do you call a white person having a seizure...............................milk-

shake

Step-by-step explanation:

5 0

3 years ago

Samuel took an antique clock that his grandfather had purchased, to be appraised. The appraiser evaluated the current price of t

andrew11 [14]

This is an exponential growth problem. Exponential growth can be expressed mathematically in the following way:
$y=a (1+r)^{t}$ .
Parameter a presents initial amount.
Parameter r is percentage increase.
Parameter t is time.
An equation that would describe given problem is:
$y=400 (1+0.02)^{t}$
t is the time in years.
I attached the graph of this function.

6 0

3 years ago