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Rufina [12.5K]
3 years ago
12

Help me will give brainliest

Mathematics
1 answer:
vovangra [49]3 years ago
3 0

Answer:

The first option is correct, 12/30 and 25/30

Step-by-step explanation:

To get common denominators, you need to find the GFC (greatest common factor) of 5 and 6, which is 30. Then you would need to make the fractions equal the same as the original fractions, by multiplying.

2/5 = ?/30 <- you can see that 30 is 6 times more than 5. so this means you multiply 2 by 6 to get 12. 12/30

5/6 = ?/30 <- you can see that 30 is 5 times more than 6. so this means you multiply 5 by 5 to get 25. 25/30

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You work 21.5 hours this week. You get paid $7.35 an hour. How much did you get paid?
prisoha [69]

Answer:

158.025

Step-by-step explanation:

Multiply the numbers together.

7 0
3 years ago
Read 2 more answers
A circle is centered at the point (-3, 2) and passes through the point (1, 5). The radius of the circle is ______ units. The poi
nalin [4]
Circle formula
(x-h)^2+(y-k)^2=r^2 where (h,k) is the center
and r=radius

to find the radius
we are given one of the points and the center
distnace from them is the radius
distance formula
D=\sqrt{(x2-x1)^{2}+(y2-y1)^{2}}
points (-3,2) and (1,5)
D=\sqrt{(1-(-3))^{2}+(5-2)^{2}}
D=\sqrt{(4)^{2}+(3)^{2}}
D=\sqrt{16+9}
D=\sqrt{25}
D=5

center is -3,2
r=5
input
(x-(-3))^2+(y-2)^2=5^2
(x+3)^2+(y-2)^2=25 is equation
radius =5
input -7 for x and solve for y
(-7+3)^2+(y-2)^2=25
(-4)^2+(y-2)^2=25
16+(y-2)^2=25
minus 16
(y-2)^2=9
sqqrt
y-2=+/-3
add 2
y=2+/-3
y=5 or -1

the point (-7,5) and (7,-1) lie on this circle



radius=5 units
the points (-7,5) and (-7,1) lie on this circle

3 0
3 years ago
Find the least common denominator for these fractions. Enter your answer in<br> the space provided.
julsineya [31]

Answer:

5/12

Step-by-step explanation:

1/4 and 1/6 are fractions.

As we directly can't add fractions whenever denominators are different, so we will have to find out the Least common multiple of 4 and 6.

The LCM Of 4&6 will be 12, so we will write 12 instead of 4&6.

Now, 4*3=12, that is why we will have to multiply the numerator and denominator with 3.

1*3/4*3 = 3/12

Same thing applies to 1/6. In order to get 12 in the denominator we need to multiply 2 with numerator and denominator both.

1*2/6*2= 2/12

However, we have two new fractions with same denominator now, that is 3/12 and 2/12

We can directly add the numerators now, as we have the same denominator. So 3+2/12= 5/12 would be my final answer. (addition of like fractions)

5/12

8 0
2 years ago
(-r-5)-(-2r-4) help me solve pls lol
vaieri [72.5K]
<h3>answer:</h3>

r - 1

<h3>Step by step explanation:</h3>

<h3> Step 1: Distribute</h3>

( - r - 5) - ( - 2r - 4) \\ ( - r - 5) + 2r + 4

<h3>Step 2: Eliminate redundant parenthesis</h3>

( - r - 5) + 2r + 4 \\  - r - 5 + 2r + 4

<h3>Step 3: Add numbers</h3>

- 3 \purple{ - 5} + 2r +  \purple{4} \\  - r  \purple{ - 1} + 2r

<h3>Step 4:Combine like terms </h3>

\purple{ - r } - 1 +  \purple{2r} \\  \purple{1r} - 1

<h3>Step 5:Multiply by 1</h3>

1r - 1 \\ r - 1

Hopefully it's help

8 0
2 years ago
Read 2 more answers
WHAT IS 5572 ROUNDED TO THE NEAREST THOUSAND
-BARSIC- [3]
5572
^ This is the thousands place

If the number after it is 5 or more, we round up, if it's 4 or less we round down.

It's 5 so we round up to 6000
3 0
3 years ago
Read 2 more answers
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