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eimsori [14]
3 years ago
12

40-s=23 what’s the value of S

Mathematics
2 answers:
EleoNora [17]3 years ago
5 0

Answer:

17

Step-by-step explanation:

Use the equation:

40 - s = 23

Then, subtract 40 on each side of the equation. Your objective is to try to isolate the variable, s. You should be left with this:

- s = -17

Then, divide each side of the equation by -1. You should be left with this, which is your answer:

s = 17

GREYUIT [131]3 years ago
4 0

Answer:

17

Step-by-step explanation:

Subtract 40 from s

-s=-17

Divide the negative sign

Divide by -1

-17 divided by -1 =17

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Find the lateral surface area of this
Ksenya-84 [330]

Answer:

A=157.07\ cm^2

Step-by-step explanation:

Given that,

The radius of a cylinder, r = 5 cm

Height of the cylinder, h = 5 cm

We need to find the lateral surface area of the  cylinder. The formula for the lateral surface area of the cylinder is given by :

A=2\pi r h

Put all the values,

A=2\pi\times 5\times 5\\\\=157.07\ cm^2

So, the lateral surface area of the cylinder is 157.07\ cm^2.

7 0
3 years ago
Work out the size of AED. Work out x
Monica [59]

Answer:

a). m∠AED = 70°

b). x = 10°

Step-by-step explanation:

a). Quadrilateral ABDE is a cyclic quadrilateral.

Therefore, by the theorem of cyclic quadrilateral,

Sum of either pair of opposite angle is 180°

m(∠AED) + m(∠ABD) = 180°

m(∠AED) = 180° - 110°

m(∠AED) = 70°

Since, ∠AED ≅ ∠EAD

Therefore, m∠AED = m∠EAD = 70°

b). By triangle sum theorem in ΔABD,

m∠ABD + m∠BDA + m∠DAB = 180°

110° + 40° + m∠DAB = 180°

m∠DAB = 180° - 150°

m∠DAB = 30°

m∠BAE = m∠EAD + m∠BAD

              = 70° + 30° = 100°

By angle sum theorem in ΔACE,

m∠EAC + m∠AEC + m∠ACE = 180°

100° + 70° + x° = 180°

x = 180° - 170°

x = 10°

4 0
3 years ago
Can someone solve 5 + 2x = + 6<br><br> and n - 3n = 14 - 4n<br><br> and 7 ( 5a - 4 ) - 1 = 14 - 8a
professor190 [17]

Answer:

5 + 2x = 6

2x = 6-5

2x = 1

x = 0.5

n -3n = 14 -4n

-2n = 14-4n (since 4n is negative, change the sign to make it positive and then add 4n to both sides of the equation)

2n = 14

n = 7

7 (5a - 4) - 1 = 14 - 8a

35a - 28 - 1 = 14 -8a

35a -29 = 14 - 8a

43a = 43

a = 1

6 0
3 years ago
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Breakfast Bar’s scrambled egg recipe uses 8 eggs to feed 5 people. How many eggs are they going to need to serve 100 people on S
Afina-wow [57]

Answer:

160

Step-by-step explanation:

If 5 people = 8 eggs

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3 0
2 years ago
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Anna71 [15]

Answer:

that is indeed a function

Step-by-step explanation:

6 0
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