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nika2105 [10]
3 years ago
11

How many significant figures will there be in the answer to the following problem? You do not have to solve the problem. 3.4 * 1

7.05=
A.) 2
B.) 3
C.) 4
D.)1
Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
3 0

Answer: answer is 2


Step-by-step explanation:


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A construction company wants to build an auditorium on a trapezium shaped plot measuring 410m2. One of the parallel sides of the
Assoli18 [71]

Answer:

other parallel side is 23m

Step-by-step explanation:

Let's assume other parallel sides as 'x'

One of the parallel sides of the trapezium plot measure 18m

so, y=18

distance between the two parallel sides measure 20m

so, h=20

now, we can use area of trapezium formula

A=\frac{1}{2}\times h \times (x+y)

now, we can plug values

A=\frac{1}{2}\times 20 \times (x+18)

we can set A=410

and then we can solve for x

410=\frac{1}{2}\times 20 \times (x+18)

10\left(x+18\right)=410

x+18=41

x=23


6 0
3 years ago
Leo is storing leftover soup in a cube shaped container. One side of the container is 7 inches high. What is the volume of this
Fiesta28 [93]
The answer is 343

Because volume is length x width x height which would be 7 x 7 x 7
7 0
3 years ago
Solve the triangle. B = 36°, a = 38, c = 18
Gelneren [198K]

Answer:

A ≈ 119.7°, b ≈ 25.7, C ≈ 24.3°

Step-by-step explanation:

A suitable app or calculator does this easily. (Since you're asking here, you're obviously not unwilling to use technology to help.)

_____

Given two sides and the included angle, the Law of Cosines can help you find the third side.

... b² = a² + c² - 2ac·cos(B)

... b² = 38² + 18² -2·38·18·cos(36°) ≈ 661.26475

... b ≈ 25.715

Then the Law of Sines can help you find the other angles. It can work well to find the smaller angle first (the one opposite the shortest side). That way, you can tell if the larger angle is obtuse or acute.

... sin(C)/c = sin(B)/b

... C = arcsin(c/b·sin(B)) ≈ 24.29515°

This angle and angle B add to less than 90°, so the remaining angle is obtuse. (∠A can also be found as 180° - ∠B - ∠C.)

... A = arcsin(a/b·sin(B)) ≈ 119.70485°

4 0
3 years ago
Reduce to simplest form.<br> -3/7 + (-3/4) = __<br> (They are fractions)
Alenkasestr [34]

Answer:

-5/25

Step-by-step explanation:

-3/7=-16/24

-3/4=-21/24

7 0
3 years ago
Round to the place value of the underlined digit: 64,000 (6 is underlined) 850,000 (8 is underlined) 301,587 (1 is underlined) 1
Reil [10]

60,000, 900,000, 302,000, 11,000

8 0
3 years ago
Read 2 more answers
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