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Burka [1]
3 years ago
15

7. 3.278 × 0.145

Mathematics
1 answer:
crimeas [40]3 years ago
8 0

Answer:

7. 0.47531

8. 98.7252

9. 13238.984

10. 0.00757576

11. 15011.4286

12. Proper

13. Improper

14. 11/4

15. 33/7

16. 1 4/8 or 1 1/2

17. 3 1/6

Step-by-step explanation:

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What is a pre-image?
KIM [24]

Answer:

an image before the image your seeing

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Find the value of each variable.<br> 4V3<br> b<br> 60°<br> 45°<br> C<br> d
Nuetrik [128]

Answer:

a = 6, b = 6√2, c = 2√3, d = 6

Step-by-step explanation:

Applying,

sin60° = a/4√3

Therefore,

a = sin60°×4√3

a = (√3/2)(4√3)

a = 3×2

a = 6

Also,

cos60 = c/4√3

c = cos60×4√3

c = 0.5×4√3

c = 2√3

also,

tan45 = a/d

d = a/tan45

d = 6/(1)

d = 6

Also,

sin45 = a/b

b = a/sin45

b = 6/(1/√2)

b = 6√2

6 0
3 years ago
3x+y=5<br> y=2x<br> Substitution method
Viefleur [7K]
Substitute 2x as y:

3x + y = 5
3x + 2x = 5
5x = 5
x = 1

Now, substitue 1 as x into one of the two equations:

y = 2x
y = 2(1)
y = 2

Hope this helps!
5 0
4 years ago
If a=3 and b=5, what is the value of 3a + b to the power of 2?
SCORPION-xisa [38]
3a+b²=3(3)+5²=34

therefore 34 is the answer
3 0
3 years ago
Read 2 more answers
Math question please help if you get this right I will mark you as a brainliest
san4es73 [151]

The Law of Cosines would be your best bet here, since the unknown side is opposite the known angle 110 degrees.

|AC|^2 = (8 in)^2 + (23 in)^2 - 2(8 in)(23 in)*cos 110 degrees

= 64 in^2 + 529 in^2 - (368 in^2)*(-0.342)

= 593 in^2 + 126 in ^2 approximately

= 719 in^2 approximately

Then the length of side AC is approx. √(716 in^2) = 27 in

3 0
3 years ago
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