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irinina [24]
3 years ago
10

Hi can someone plz help me with letter A and if u know how to do any of the other ones!? Thanks sm!!!

Mathematics
1 answer:
iogann1982 [59]3 years ago
3 0

y= 10x. Y is the function of the number being purchased

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What’s Volume of a cylinder if the height is 10 diameter is 3
Art [367]

Known :

h = 10

d = 3

Asked :

V = ...?

Answer :

V = ¼πd²h

= ¼ × 3.14 × 3² × 10

= ¼ × 3.14 × 9 × 10

= <u>7</u><u>0</u><u>.</u><u>6</u><u>5</u>

<em>Hope </em><em>it </em><em>helpful </em><em>and </em><em>useful </em><em>:</em><em>)</em>

7 0
3 years ago
Find the perimeter of this triangle pls
noname [10]

Answer:

72 cm i think

Step-by-step explanation:

19+19+10+10+7+7

3 0
3 years ago
Read 2 more answers
Point A of rectangle ABCD is located at coordinates (3,7). If rectangle ABCD is translated down 7 and left 5, what are the new c
uranmaximum [27]

Answer:

The new co-ordinates are A¹ ( -2 , 0)

Step-by-step explanation:

<u><em>Step(i):</em></u>-

Point A of rectangle ABCD is located at coordinates (3,7).

<u><em>Type of transformation </em></u><em>                               </em><u><em> change of co-ordinate point</em></u>

<em>Vertical translation up 'd' units                   (x, y)→ (x, y +d)</em>

<em>Vertical translation down 'd' units              (x, y)→ (x, y -d)</em>

<em>Horizontal translation left 'C' units              (x, y)→ (x - c , y) </em>

<em>Horizontal translation right 'C' units             (x, y)→ (x + c , y) </em>

<u><em>Step(ii</em></u><em>):-</em>

<em>Given rectangle ABCD is translated down 7 and left 5</em>

<em>Given Point A(3 ,7) </em>

Vertical translation down '7' units  t

The new co-ordinate A¹ ( 3 , 7-7)→ A¹( 3, 0) and Horizontal translation left ''5' units

Now the new co-ordinates are A¹ ( 3-5 , 7-7)

<u><em>Final answer:-</em></u>

The new co-ordinates are A¹ ( -2 , 0)

7 0
3 years ago
A group of 59 randomly selected students have a mean score of 29.5 with a standard deviation of 5.2 on a placement test. What is
Otrada [13]

Answer:

29.5+/-1.11

= ( 28.39, 30.61)

Therefore, the 90% confidence interval (a,b) =( 28.39, 30.61)

Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

x+/-zr/√n

Given that;

Mean x = 29.5

Standard deviation r = 5.2

Number of samples n = 59

Confidence interval = 90%

z-value (at 90% confidence) = 1.645

Substituting the values we have;

29.5+/-1.645(5.2/√59)

29.5+/-1.645(0.676982337100)

29.5+/-1.113635944529

29.5+/-1.11

= ( 28.39, 30.61)

Therefore, the 90% confidence interval (a,b) =( 28.39, 30.61)

7 0
3 years ago
If jimmy has 15 cookies and has 3 friends and wants to share how will he do it
8090 [49]

Answer:

If he includes himself then:

Split up the cookies into 4 equal parts.

\frac{15}{4}  = 3.75

3.75 cookies each if he includes himself.

If he does not include himself:

Split up the cookies into 3 equal parts

\frac{15}{3}  = 5

5 cookies each if he shares to his friends without including himself.

3 0
3 years ago
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