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Jobisdone [24]
3 years ago
11

4+(-2) please help me I could use it

Mathematics
2 answers:
ddd [48]3 years ago
7 0
4+=4 then -2 So the answer is two
ehidna [41]3 years ago
5 0
2 is the right answer
i hope this helps
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cos60=5/zy ??? how do I get rid of the 5? Normally I would multiply by the denominator but that doesn't work here. The end answe
saw5 [17]

cos 60 = 1/2

1/2 = 5/zy

1= 10/zy

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8 0
2 years ago
∠E and ∠F are vertical angles with m∠E=8x+8 and m∠F=2x+38 .<br><br> What is the value of x?
Zigmanuir [339]
We know that ∠E = ∠F because of the vertical angle theorem.

Using substitution we get 8x + 8 = 2x + 38

Solve for x.

8x + 8 = 2x + 38
8x = 2x = 30 <-- Subtract 8 from each side
6x = 30 <-- Subtract 2x from each side
x = 5 <-- Divide both sides by 6

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3 0
3 years ago
The theatre has 4 chairs in a row. There are 5 rows. Using rows as your unit of measurement, what is the perimeter?
brilliants [131]

Answer:

Step-by-step explanation:

A theatre has 4 chair in a row; lets draw that out

Let's pretend that this is a chair: ♦

So we have 4 chairs in a row

♦ ♦ ♦ ♦

And there are 5 rows

♦ ♦ ♦ ♦

♦ ♦ ♦ ♦

♦ ♦ ♦ ♦

♦ ♦ ♦ ♦

♦ ♦ ♦ ♦

Let's find the perimeter;

4 + 5 + 4 + 5

=18

The perimeter is 18 rows.

5 0
2 years ago
Can someone please help me figure out this problem. just figure out what 1,2, and 3
Aleksandr-060686 [28]
1 is 39. J don’t know about 2 and 3 though:(
4 0
2 years ago
Plz help me for 14. A and B it is 93 points
AVprozaik [17]
A. Stiles. For Melendez, each family member uses about 390 kilowatts of electricity. For Barton, each family member uses about 355 kilowatts of energy. Stiles uses 745 kilowatts per family member. 745 divided by 355 rounds up to 2 while 745 divided by 390 rounds up to 2. This means that the Stiles family uses twice the amount of electricity per person than the other families.

b. The Melendez family. The Melendez family uses 875 gallons per family member. The Barton family uses about 1067 gallons of water while the Stiles family uses about 1250 gallons. 875< 1067< 1250. This means that the Melendez family uses the least amount of water per family member.
6 0
3 years ago
Read 2 more answers
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