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BartSMP [9]
2 years ago
12

OMG GUYS HELP ME I GIVE 100 points what is 1+1 and what is 2-1 tell me!!! QUICK

Mathematics
2 answers:
lesya692 [45]2 years ago
7 0

Answer: 1 + 1 = 2

2-1 = 1

Step-by-step explanation:

basic math stuff

pochemuha2 years ago
3 0

Answer:

2 and 1.

Step-by-step explanation:

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Evaluate 3(x+4)(x+1)<br> (x+2)(x-2) for x=4​
EleoNora [17]

Answer:

1440

Step-by-step explanation:

3(x+4)(x+1)(x+2)(x-2)

Let x= 4

3(4+4)(4+1)(4+2)(4-2)

Evaluate each parentheses

3 ( 8) (5)( 6) (2)

Multiply

1440

If you meant

3(x+4)(x+1) = 3(4+4)(4+1) = 3 * 8 *5 = 120

(x+2)(x-2)=(4+2)(4-2)  = 6 *2= 12

7 0
3 years ago
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A bag contains 8 red marbles, 7 blue marbles and 5 green marbles. If two marbles are drawn out of the bag, what is the exact pro
lapo4ka [179]
21% is the probability of both of them being red
7 0
3 years ago
What is 18 &amp; 20 &amp; can you show work please??
irina1246 [14]
18. Make the values have the same denominators.

4 2/3(8/8)= 112/24
5 3/8 (3/3)= 129/24

Add the values

112/24+129/24= 241/24

Simplify the answer

241/24= 10 1/24

The answer for question 10 1/24 ounces.


20. Multiply 1 1/4 by 5. (There are 5 days from Monday through Friday)

1.25(5)= 6 1/4

The answer to question 20 is 6 1/4.


Hope this helps!




8 0
3 years ago
A master electrician earns $62 per hour. His apprentice earns $40 per hour. The master electrician works 3 hours more than the a
photoshop1234 [79]
X=hours master worked
y=hours apprentice worked


62x+40y=492

if master worked 3hours more than apprntice
x=3+y

sub 3+y for x

62(3+y)+40y=492
expand
186+62y+49y=492
186+102y=492
minus 186 both sides
102y=306
divide both sides by 102
y=3

sub back
x=3+y
x=3+3
x=6

master electrician worked 6 hours
6*62=372

master electrician earned $372
7 0
2 years ago
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If you run 10 feet in 3 seconds how long does it take you to run a mile?
mel-nik [20]
It would take you 15 minutes
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