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ra1l [238]
3 years ago
6

What is the solution of log2x + 6 144 = 2?

Mathematics
1 answer:
VladimirAG [237]3 years ago
8 0

Answer:

x=-3

Step-by-step explanation:

2x+6144=2

2x=2-6144

2x=-6142

x=-6142÷2

x=-3071

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Tuesday’s attendance was 70% of Monday’s attendance, 50. What was Tuesday’s attendance?
lara [203]

Answer:

35

Step-by-step explanation:

100 / 50 = 2

70 / 2 = 35

3 0
2 years ago
In a figure, OB is the radius of a big semicircle and XB is the radius of the small semicircle. Given that OX = 14 cm, Calculate
oee [108]

Answer:

perimeter of the shaded region = 88 +44+28 =160 cm

Step-by-step explanation:

perimeter of shaded region = length AO + arc OB + arc AB

length AO = radius of bigger circle

radius of bigger circle = OX + OB = 2×radius of smaller circle = 2×14 cm = 28 cm

therefore AO = 28 cm

length of arc oB= half of circumference of smaller circle = \pi×14 = 44 cm

length of arc ab = half of circumference of bigger circle  = \pi×28 =\frac{22}{7}×28= 88

therefore perimeter of the shaded region = 88 +44+28 =160 cm

area of the shaded region = half of area of bigger circle - half of area of smaller circle

                                           =\frac{1}{2} \pi 28^{2} -\frac{1}{2} \pi 14^{2}

                                           =\frac{\pi }{2} (28^{2} -14^{2} )

  solving we gen area of shaded region = 924

7 0
3 years ago
What is a congruence statement? PLEASE ANSWER HURRY
Alexeev081 [22]

Answer:

A congruence statement says that two polygons are congruent.

Step-by-step explanation:

To write a congruence statement, list the corresponding vertices in the same order.

6 0
3 years ago
Which expression is equivalent to (3-5x)(3+5x)​
Levart [38]
I think the answer is 9-25x
5 0
3 years ago
I need help with this please
Aleks [24]

Answer:

(3,20)

Step-by-step explanation:

hope this helps!

8 0
2 years ago
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