2 years ago

Need help the sum of two numbers is 12. One number is prime and the other number is composite. What are the numbers

Mathematics

1 answer:

morpeh [17]2 years ago

5 0

There are a couple of answers, it could be 2+10 or 3+9

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Solve for x.<br><br> −10<−2x+4≤8

Rus_ich [418]

$-10 < -2x+4\leq8\ \ \ \ |-4\\\\-14 < -2x\leq4\ \ \ \ |\text{change the signs}\\\\14 > 2x\geq-4\ \ \ \ |:2\\\\\boxed{7 > x\geq-2}\to\boxed{-2\leq x < 7}$

6 0

3 years ago

What is the cost of a $19,500 plus a 6% sales tax?

vova2212 [387]

1% of 19,500= 195

6% = 1%x6 = 195x6 = 1170

19500+1170=20670

3 0

3 years ago

Kirk used 10.2 centimeters of tape to wrap 3 presents. How many presents did Kirk wrap if he used 23.8 centimeters of tape?

insens350 [35]

Answer:

Kirk wrapped 7 presents with those 23.8 cm of tape.

Step-by-step explanation:

Figure out the unit rate:

10.2 cm tape

-------------------

3 presents

-----------------------

10.2 cm tape

Multiplying this by 23.8 cm results in the number of presents Kirk wrapped with that much tape:

(3 presents)(23.8 cm tape

--------------------------------------- = 7 presents

10.2 cm tape

Kirk wrapped 7 presents with those 23.8 cm of tape.

7 0

3 years ago

on the first math test keiko answered 19 out of 25 questions correctly. on the second test she got 17 out of 2o correct. on whic

Sholpan [36]

19/25=.76 or 76%
17/20=.85 or 85%, so, Keiko get a better grade on the second test

5 0

2 years ago

An oil refinery aims to process 900,000 barrels of oil per day. The daily production varies by up to 50,000 barrels from this go

motikmotik

850,000 and 950,000 if I understand the question correctly

8 0

2 years ago