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shutvik [7]
3 years ago
7

Put one pair of brackets in each statement to make it correct. (a) 16*8+4x2=1(b) 16*8+4x2=12​

Mathematics
1 answer:
vovikov84 [41]3 years ago
4 0

Answer:

dude, is it multiplication or division represented from * ?

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What's the first step to solve this equation? *<br> h - 18/10 = –14
Lesechka [4]

Answer:

multiply by 10 on both sides

that is to get rid of the denominator

4 0
2 years ago
If a right triangle has two legs a=7 and b=4, what is the length of the hypotenuse
DENIUS [597]
A^2 + b^2 = c^2
7^2 + 4^2 = 65
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answer: 8.06
5 0
2 years ago
Negative five teen divided by three
shutvik [7]

Answer:

-5

Step-by-step explanation:

-15/3=-5

6 0
3 years ago
Albert wants to show that tan(theta)sin(theta)+cos(theta)=sec(theta). He writes the following proof:
Nataly_w [17]
We have that
<span>tan(theta)sin(theta)+cos(theta)=sec(theta)
</span><span>[sin(theta)/cos(theta)] sin(theta)+cos(theta)=sec(theta)
</span>[sin²<span>(theta)/cos(theta)]+cos(theta)=sec(theta)

</span><span>the next step in this proof
is </span>write cos(theta)=cos²<span>(theta)/cos(theta) to find a common denominator
so

</span>[sin²(theta)/cos(theta)]+[cos²(theta)/cos(theta)]=sec(theta)<span>

</span>{[sin²(theta)+cos²(theta)]/cos(theta)}=sec(theta)<span>

remember that 
</span>sin²(theta)+cos²(theta)=1
{[sin²(theta)+cos²(theta)]/cos(theta)}------------> 1/cos(theta)
and 
1/cos(theta)=sec(theta)-------------> is ok

the answer is the option <span>B.)
He should write cos(theta)=cos^2(theta)/cos(theta) to find a common denominator.</span>
6 0
3 years ago
Read 2 more answers
Two mechanics worked on a car. The first mechanic worked for
ivann1987 [24]
20x + 15y = 2000
x + y = 115
55+60=115

20 (55) + 15 (60)=2000
1100+900=2000
2000=2000
5 0
2 years ago
Read 2 more answers
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