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DanielleElmas [232]
4 years ago
6

What is 3(x-5)-14=2(x+7)+2

Mathematics
1 answer:
serg [7]4 years ago
6 0

Answer:

x=45

Step-by-step explanation:

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What is m equal to if 7m+12/8=2m-1/3
max2010maxim [7]
<span>7m + 2/8 = 2m - 1/3
(7m X 24) + (2/8 X 24) = (2m X 24) - (1/3 X 24)
168m + 6 = 48m - 8
120m = -14
m = -0.1166</span>
3 0
3 years ago
Yasmin swims at a constant rate of 2 km/h for 2.5 h. How far does Yasmin swim? 4.5 km 5 km 6 km 6.5 km
Neporo4naja [7]
She swims for 2.5 hours at a rate of 2 km/hr
Multiply 2.5 * 2 = 5 km
3 0
3 years ago
the sum of areas of two circles is 80 square meters find the lencgh of radius of each circles if one of them is twice as larger
klemol [59]
Area of a cirlce=πr²
we have two radius:2r and  r
area of the cirlce₁ + area of the circle₂=80 m²
area of the circle₁=π(2r)²
area of the circle₂=πr²
Then, we can suggest this quation:

π(2r)²+πr²=80

4πr²+πr²=80
π(4r²+r²)=80
π(5r²)=80
5πr²=80
r²=80/5π
r=√(80/5π)≈2.26

radius of the largest cirlce=2r=2(2.26)=4.51

Answer: the radius of the largest circle is 4.51 m
6 0
4 years ago
Read 2 more answers
Please help!!!!<br><br>CE is tangent to this circle, CD is a radius and ECB=48 what is BAC​
den301095 [7]

Answer:

48degrees

Step-by-step explanation:

From the circle geometry shown, traingle BDC is an isosceles triangle which shows means that their base angels are the same. Hence;

<B = <C

<CBD + <BCD + <D = 180

<BCD + <BCD + <D =180

2<BCD + <BDC = 180

Get <BCD;

<BCD+ <ECB = 90

<BCD + 48 = 90

<BCD = 90 - 48

<BCD = 42degrees

Get <BDC

2<BCD + <BDC = 180

2(42)+ <BDC = 180

84 + <BDC = 180

<BDC = 180 - 84

<BDC = 96

Since angle at the centre is twice that at the circumference, then;

<BAC = 1/2(<BDC )

<BAC = 96/2

<BAC = 48degrees

4 0
3 years ago
If x2 – 9 = 0, then x can<br> only be equal to 3<br><br><br> True<br><br> False
Sauron [17]
The answer is True. X=3,-3
4 0
3 years ago
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