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mamaluj [8]
3 years ago
15

Find the size of the angle a.Diagram not drawn accurately​

Mathematics
1 answer:
pickupchik [31]3 years ago
6 0

Answer:

45°

Step-by-step explanation:

Since,

3a + a + 2a + 2a = 360°

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Gabriel is making a mixture of compost and soil to use for a special plan he wants his final mix to be two part compost to 10 pa
kkurt [141]
Ten is mistakenly written by Tim in question.
Gabriel is making a mixture of compost and soil. In which he wants to mix 2 part compost to 10 parts potting soil. And he wants to end up with ten kilogram
It means compost is 2 pars out of 12 and potting soil is 10 parts out of 12
so, (2 / 12) x 10 kilogram of compost is used
= 1.66667 kilogram of compost Gabriel should use.

8 0
3 years ago
Solve the systems of equations using substitution.
grandymaker [24]

Answer:

y= 8x+1 (0,1) y=6x+3 (0,1)

= 8×0+1 =6×0+3

y = 1 =3

Step-by-step explanation:

= 8×1+1 (1,9) =6×1+3 (1,9)

y=9 =9

=8×4+1 (4,14) =6×4+3 (4,14)

y=33 =27

=8×2+1(2,4) =6×2+1 (2,4)

y=17 =13

3 0
3 years ago
A force of 12 lb is required to hold a spring stretched 8 in. beyond its natural length. How much work W is done in stretching i
sattari [20]

Answer:

Work done in stretching the spring = 7.56 lb-ft.

Step-by-step explanation:

Normal length of the spring = 8 in or \frac{8}{12} ft

= \frac{2}{3} ft

If the spring has been stretched to 11 inch then the stretched length of the spring is = 11 in

= \frac{11}{12} ft

Force applied to stretch the spring = 12 lb

By Hook's law,

F = kx [where k is the spring constant and x = length by which the spring is stretched]

12 = k(\frac{2}{3})

k = 18

Work done (W) to stretch the spring by \frac{11}{12} ft will be

W = \int\limits^\frac{11}{12} _0 {kx} \, dx

    = \int\limits^\frac{11}{12} _0 {(18x)} \, dx

    = 18[\frac{x^{2}}{2}]^{\frac{11}{12}}_0

    = 9(\frac{11}{12})²

    = 7.56 lb-ft

6 0
3 years ago
Six plus x minus two x equals five
AleksandrR [38]

The "plus x minus two x" part basically means "minus x".

So, "six minux x equals five".

This means that six minus five is x. So, x is one!

Now, let's check this in the problem: replace x with 1. Six plus one minus two ones equals five? Yes, it does!

The answer is x=1.

4 0
4 years ago
First answer will get brainlest and 5 stars and a thanks by me
Artist 52 [7]

Answer:

4 seconds

Step-by-step explanation:

5 0
3 years ago
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