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tino4ka555 [31]
3 years ago
6

Do this please!! :))

Mathematics
2 answers:
GaryK [48]3 years ago
4 0
It would be 23/99 as a fraction
yulyashka [42]3 years ago
3 0
23/99 is your answer
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Am i right for 6 and 7 also help with 8, 9, 10 and 11 plz
Lana71 [14]
Yes, you are correct on 6 and 7.
#8: A standard number cube has six sides (numbers 1 through 6). There is only one 5, therefore, \frac{1}{6} would be the fraction.
#9:The spinner having three sides. Pretend there are only two sides, the red and white [2]. Again having three side, the fraction would be [/tex]\frac{2}{3} [/tex]. I apologize if I explained this one a little weird. Need anymore help or have any questions? Message me or just comment. Hope I helped a little.
7 0
3 years ago
Help please with surface area
Natasha2012 [34]

Answer:

Step-by-step explanation:

you have to find the area of each side

for the two triangles(front and back sides) A=BH/2 so 45 but since there are two triangles you multiple by 2 so 90

For two rectangular sides(the ones on the sides) A=LW so 144.2 but there are two so 288.4

For the bottom rectangle A=LW so 140

Then add them together

90+288.4+140= 518.4

4 0
3 years ago
When you go swimming the pressure in your ears varies directly with the depth at which you swim. At 10 feet, the pressure is abo
Serjik [45]

Answer:

(a) p = 0.43d

(b) p = 21.5

(c) d = 151.163

Step-by-step explanation:

Given

Variation: Direct

Represent ear pressure with p and depth with d.

So, we have:

p\ \alpha\ d

d =10 when p =4.3

Solving (a): Write a variation

We have:

p\ \alpha\ d

Write as an equation

p = kd

Where: k is the constant of variation

d =10 when p =4.3

So, we have:

4.3 = k * 10

Make k the subject

k = \frac{4.3}{10}

k = 0.43

Substitute 0.43 for k in p = kd

p = 0.43d

Solving (b): Pressure at 50 feet

Substitute 50 for d in p = 0.43d

p = 0.43 * 50

p = 21.5

The pressure is 21.5 pounds per square

Solving (c): The safe depth

The safe depth stops at a pressure of 65psi.

Substitute 65 for p in p = 0.43d

65 = 0.43 * d

Make d the subject

d = \frac{65}{0.43}

d = 151.162790698

d = 151.163 -- approximated

<em>The safe distance for an amateur is 151.163ft</em>

8 0
3 years ago
9. Find the lowest common denominator for the following pairs of fractions.
andreev551 [17]
A. 12
B.8
C.8
D.16

Hope this helps
6 0
3 years ago
Solve for r please. Will give brainliest
juin [17]

àaaaahahahahahabahjajabahanababbaab

8 0
3 years ago
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