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vlada-n [284]
3 years ago
7

What’s the answer to this question

Mathematics
1 answer:
laiz [17]3 years ago
4 0

Answer:

B

Step-by-step explanation:

3 rectangles are 3 x 7 x 2 = 42

2 triangles are 2 x 1/2 x 2 x \sqrt{2^{2} - 1^{2}   } = 2\sqrt{3}

note that you have to use Pythagoras Theorem to solve for the height of the triangle

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There are two fields whose total area is 56 square yards. One field produces grain at the rateof34bushel per square yard; the ot
fenix001 [56]

Answer:

the first field (rate 3/4) has 32 square yards and the second field (rate 2/3) has 24 square yards.

Step-by-step explanation:

With the statement we can make a system of 2x2 equations, where:

"x" is the area of the first field

"y" is the area of the second field

However,

x + y = 56 => x = 56 - y

3/4 * x + 2/3 * y = 40

replacing we have:

3/4 * (56 - y) + 2/3 * y = 40

42 - 3/4 * y + 2/3 * y = 40

-0.0833 * y = 40 - 42

y = -2 / -0.0833

y = 24

now for x:

 x = 56 - 24

x = 32

This means that the first field (rate 3/4) has 32 square yards and the second field (rate 2/3) has 24 square yards.

3 0
3 years ago
Which of the following is a trinomial with a constant term?
iVinArrow [24]

Answer:

B

Step-by-step explanation:

because a constant term is a number with out a variable

6 0
2 years ago
Whats 39/7. i need a answer.
Alex Ar [27]

Answer:

5.57142857143 there you go hopefully it's the answer you need

4 0
3 years ago
Read 2 more answers
Solve each equation and leave the answer in terms of “i”
almond37 [142]
17)
x² + 8 = -8
x² = -8 - 8
x² = 16
x = ±√-16
x = ±√16i
x = <span>±4i
</span>
18)
x² + 5 = -3
x² = -3 - 5
x² = -8
x = ±√-8
x = ±√8i
x = ±2√2i

19)
x² + 3 = 0
x² = -3
x = ±√-3
x = <span>±</span>√3i

hope this helps, God bless!
3 0
3 years ago
The larger of two numbers is 10 less than twice the smaller number. if the sum of the two numbers is 38, find the tqo nubers
Iteru [2.4K]
Let two number A and B, and A >B

as we know A+10=2B① && A+B =38②

①-② solve that
B=16 so A=22

so, they are 16 and 22
3 0
3 years ago
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